From 10377632d5ba45c625005538bc081ded6e906842 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Fri, 15 Apr 2022 11:38:06 +0200
Subject: [PATCH 01/28] Make vieter compiler with -skip-unused

---
 .gitignore             |  4 ++--
 .woodpecker/.build.yml |  2 ++
 src/server/git.v       | 10 +++++-----
 src/server/routes.v    |  6 +++---
 4 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/.gitignore b/.gitignore
index 7847b3f..a3f6afc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,8 +5,8 @@ data/
 vieter
 dvieter
 pvieter
-dvieterctl
-vieterctl
+suvieter
+afvieter
 vieter.c
 
 # Ignore testing files
diff --git a/.woodpecker/.build.yml b/.woodpecker/.build.yml
index e68c4c9..66ae5a0 100644
--- a/.woodpecker/.build.yml
+++ b/.woodpecker/.build.yml
@@ -18,6 +18,8 @@ pipeline:
       - make debug
     when:
       event: push
+      branch:
+        exclude: [main, dev]
 
   prod:
     image: 'chewingbever/vlang:latest'
diff --git a/src/server/git.v b/src/server/git.v
index a9d6f50..a7655fe 100644
--- a/src/server/git.v
+++ b/src/server/git.v
@@ -8,7 +8,7 @@ import response { new_data_response, new_response }
 
 const repos_file = 'repos.json'
 
-['/api/repos'; get]
+['/api/repos'; get; markused]
 fn (mut app App) get_repos() web.Result {
 	if !app.is_authorized() {
 		return app.json(http.Status.unauthorized, new_response('Unauthorized.'))
@@ -25,7 +25,7 @@ fn (mut app App) get_repos() web.Result {
 	return app.json(http.Status.ok, new_data_response(repos))
 }
 
-['/api/repos/:id'; get]
+['/api/repos/:id'; get; markused]
 fn (mut app App) get_single_repo(id string) web.Result {
 	if !app.is_authorized() {
 		return app.json(http.Status.unauthorized, new_response('Unauthorized.'))
@@ -48,7 +48,7 @@ fn (mut app App) get_single_repo(id string) web.Result {
 	return app.json(http.Status.ok, new_data_response(repo))
 }
 
-['/api/repos'; post]
+['/api/repos'; post; markused]
 fn (mut app App) post_repo() web.Result {
 	if !app.is_authorized() {
 		return app.json(http.Status.unauthorized, new_response('Unauthorized.'))
@@ -86,7 +86,7 @@ fn (mut app App) post_repo() web.Result {
 	return app.json(http.Status.ok, new_response('Repo added successfully.'))
 }
 
-['/api/repos/:id'; delete]
+['/api/repos/:id'; delete; markused]
 fn (mut app App) delete_repo(id string) web.Result {
 	if !app.is_authorized() {
 		return app.json(http.Status.unauthorized, new_response('Unauthorized.'))
@@ -113,7 +113,7 @@ fn (mut app App) delete_repo(id string) web.Result {
 	return app.json(http.Status.ok, new_response('Repo removed successfully.'))
 }
 
-['/api/repos/:id'; patch]
+['/api/repos/:id'; patch; markused]
 fn (mut app App) patch_repo(id string) web.Result {
 	if !app.is_authorized() {
 		return app.json(http.Status.unauthorized, new_response('Unauthorized.'))
diff --git a/src/server/routes.v b/src/server/routes.v
index 4f6c4f0..b048f76 100644
--- a/src/server/routes.v
+++ b/src/server/routes.v
@@ -11,12 +11,12 @@ import response { new_response }
 
 // healthcheck just returns a string, but can be used to quickly check if the
 // server is still responsive.
-['/health'; get]
+['/health'; get; markused]
 pub fn (mut app App) healthcheck() web.Result {
 	return app.json(http.Status.ok, new_response('Healthy.'))
 }
 
-['/:repo/:arch/:filename'; get; head]
+['/:repo/:arch/:filename'; get; head; markused]
 fn (mut app App) get_repo_file(repo string, arch string, filename string) web.Result {
 	mut full_path := ''
 
@@ -54,7 +54,7 @@ fn (mut app App) get_repo_file(repo string, arch string, filename string) web.Re
 	return app.file(full_path)
 }
 
-['/:repo/publish'; post]
+['/:repo/publish'; post; markused]
 fn (mut app App) put_package(repo string) web.Result {
 	if !app.is_authorized() {
 		return app.json(http.Status.unauthorized, new_response('Unauthorized.'))

From c6813f1e0dacb205df2b5adf15a36dbbea0fd880 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Fri, 15 Apr 2022 11:46:14 +0200
Subject: [PATCH 02/28] Make skip-unused build prod; better ci information

---
 .woodpecker/.build_experimental.yml | 3 +++
 Makefile                            | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/.woodpecker/.build_experimental.yml b/.woodpecker/.build_experimental.yml
index 032a42b..faea53d 100644
--- a/.woodpecker/.build_experimental.yml
+++ b/.woodpecker/.build_experimental.yml
@@ -38,5 +38,8 @@ pipeline:
       - make skip-unused
       - readelf -d suvieter
       - du -h suvieter
+      - '[ "$(readelf -d suvieter | grep NEEDED | wc -l)" = 0 ]'
+      - strip -s suvieter
+      - du -h suvieter
     when:
       event: push
diff --git a/Makefile b/Makefile
index 2f39983..6f39a40 100644
--- a/Makefile
+++ b/Makefile
@@ -87,4 +87,4 @@ afvieter: $(SOURCES)
 .PHONY: skip-unused
 skip-unused: suvieter
 suvieter: $(SOURCES)
-	$(V_PATH) -showcc -skip-unused -o suvieter $(SRC_DIR)
+	$(V_PATH) -showcc -skip-unused -prod -o suvieter $(SRC_DIR)

From 2c62f6bda1dd2e0e9d27f8afce57fd11f15ec629 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Fri, 15 Apr 2022 11:54:56 +0200
Subject: [PATCH 03/28] Added boehm garbage collector to skip-unused

---
 Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 6f39a40..ab67823 100644
--- a/Makefile
+++ b/Makefile
@@ -75,7 +75,7 @@ v/v:
 	make -C v
 
 clean:
-	rm -rf 'data' 'vieter' 'dvieter' 'pvieter' 'vieter.c' 'dvieterctl' 'vieterctl' 'pkg' 'src/vieter' *.pkg.tar.zst
+	rm -rf 'data' 'vieter' 'dvieter' 'pvieter' 'vieter.c' 'dvieterctl' 'vieterctl' 'pkg' 'src/vieter' *.pkg.tar.zst 'suvieter' 'afvieter'
 
 
 # =====EXPERIMENTAL=====
@@ -87,4 +87,4 @@ afvieter: $(SOURCES)
 .PHONY: skip-unused
 skip-unused: suvieter
 suvieter: $(SOURCES)
-	$(V_PATH) -showcc -skip-unused -prod -o suvieter $(SRC_DIR)
+	$(V_PATH) -showcc -gc boehm -skip-unused -prod -o suvieter $(SRC_DIR)

From 32d542102fd03fabc0d9cfdae5882525c9027ef7 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Sun, 17 Apr 2022 16:41:47 +0200
Subject: [PATCH 04/28] Removed references to byte; enabled -skip-unused by
 default

---
 .woodpecker/.build_experimental.yml | 27 ---------------------------
 Makefile                            |  9 ++-------
 src/docker/docker.v                 |  6 +++---
 src/repo/sync.v                     |  2 +-
 src/util/util.v                     |  4 ++--
 src/web/web.v                       |  2 +-
 6 files changed, 9 insertions(+), 41 deletions(-)

diff --git a/.woodpecker/.build_experimental.yml b/.woodpecker/.build_experimental.yml
index faea53d..2c0e20b 100644
--- a/.woodpecker/.build_experimental.yml
+++ b/.woodpecker/.build_experimental.yml
@@ -16,30 +16,3 @@ pipeline:
       - du -h afvieter
     when:
       event: push
-
-  skip-unused:
-    image: 'chewingbever/vlang:latest'
-    pull: true
-    group: 'build'
-    commands:
-      - make skip-unused
-      - readelf -d suvieter
-      - du -h suvieter
-    when:
-      event: push
-
-  skip-unused-static:
-    image: 'chewingbever/vlang:latest'
-    pull: true
-    environment:
-      - LDFLAGS=-lz -lbz2 -llzma -lexpat -lzstd -llz4 -static
-    group: 'build'
-    commands:
-      - make skip-unused
-      - readelf -d suvieter
-      - du -h suvieter
-      - '[ "$(readelf -d suvieter | grep NEEDED | wc -l)" = 0 ]'
-      - strip -s suvieter
-      - du -h suvieter
-    when:
-      event: push
diff --git a/Makefile b/Makefile
index ab67823..cc9c829 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ SRC_DIR := src
 SOURCES != find '$(SRC_DIR)' -iname '*.v'
 
 V_PATH ?= v
-V := $(V_PATH) -showcc -gc boehm
+V := $(V_PATH) -showcc -gc boehm -skip-unused
 
 all: vieter
 
@@ -19,7 +19,7 @@ vieter: $(SOURCES)
 .PHONY: debug
 debug: dvieter
 dvieter: $(SOURCES)
-	$(V_PATH) -showcc -keepc -cg -o dvieter $(SRC_DIR)
+	$(V_PATH) -showcc -keepc -cg -skip-unused -o dvieter $(SRC_DIR)
 
 # Run the debug build inside gdb
 .PHONY: gdb
@@ -83,8 +83,3 @@ clean:
 autofree: afvieter
 afvieter: $(SOURCES)
 	$(V_PATH) -showcc -autofree -o afvieter $(SRC_DIR)
-
-.PHONY: skip-unused
-skip-unused: suvieter
-suvieter: $(SOURCES)
-	$(V_PATH) -showcc -gc boehm -skip-unused -prod -o suvieter $(SRC_DIR)
diff --git a/src/docker/docker.v b/src/docker/docker.v
index a6f7640..07ceb8e 100644
--- a/src/docker/docker.v
+++ b/src/docker/docker.v
@@ -28,8 +28,8 @@ fn send(req &string) ?http.Response {
 	s.wait_for_write() ?
 
 	mut c := 0
-	mut buf := []byte{len: docker.buf_len}
-	mut res := []byte{}
+	mut buf := []u8{len: docker.buf_len}
+	mut res := []u8{}
 
 	for {
 		c = s.read(mut buf) or { return error('Failed to read data from socket ${docker.socket}.') }
@@ -52,7 +52,7 @@ fn send(req &string) ?http.Response {
 
 	// We loop until we've encountered the end of the chunked response
 	// A chunked HTTP response always ends with '0\r\n\r\n'.
-	for res.len < 5 || res#[-5..] != [byte(`0`), `\r`, `\n`, `\r`, `\n`] {
+	for res.len < 5 || res#[-5..] != [u8(`0`), `\r`, `\n`, `\r`, `\n`] {
 		// Wait for the server to respond
 		s.wait_for_write() ?
 
diff --git a/src/repo/sync.v b/src/repo/sync.v
index e2b7aac..12756b7 100644
--- a/src/repo/sync.v
+++ b/src/repo/sync.v
@@ -19,7 +19,7 @@ fn archive_add_entry(archive &C.archive, entry &C.archive_entry, file_path &stri
 	}
 
 	// Write the file to the archive
-	buf := [8192]byte{}
+	buf := [8192]u8{}
 	mut len := C.read(fd, &buf, sizeof(buf))
 
 	for len > 0 {
diff --git a/src/util/util.v b/src/util/util.v
index 228f584..c1af30e 100644
--- a/src/util/util.v
+++ b/src/util/util.v
@@ -30,7 +30,7 @@ pub fn reader_to_file(mut reader io.BufferedReader, length int, path string) ? {
 		file.close()
 	}
 
-	mut buf := []byte{len: util.reader_buf_size}
+	mut buf := []u8{len: util.reader_buf_size}
 	mut bytes_left := length
 
 	// Repeat as long as the stream still has data
@@ -60,7 +60,7 @@ pub fn hash_file(path &string) ?(string, string) {
 	mut sha256sum := sha256.new()
 
 	buf_size := int(1_000_000)
-	mut buf := []byte{len: buf_size}
+	mut buf := []u8{len: buf_size}
 	mut bytes_left := os.file_size(path)
 
 	for bytes_left > 0 {
diff --git a/src/web/web.v b/src/web/web.v
index 688f854..3e7b047 100644
--- a/src/web/web.v
+++ b/src/web/web.v
@@ -285,7 +285,7 @@ pub fn (mut ctx Context) file(f_path string) Result {
 	resp.set_status(ctx.status)
 	send_string(mut ctx.conn, resp.bytestr()) or { return Result{} }
 
-	mut buf := []byte{len: 1_000_000}
+	mut buf := []u8{len: 1_000_000}
 	mut bytes_left := file_size
 
 	// Repeat as long as the stream still has data

From 05efe15dd95b686c81ffd48d3b62536005ad3da1 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Thu, 21 Apr 2022 09:07:16 +0200
Subject: [PATCH 05/28] Updated PKGBUILD to use vieter-v [CI SKIP]

---
 .woodpecker/.arch.yml | 2 ++
 PKGBUILD              | 9 +++------
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/.woodpecker/.arch.yml b/.woodpecker/.arch.yml
index ab3c6ea..e37dc1a 100644
--- a/.woodpecker/.arch.yml
+++ b/.woodpecker/.arch.yml
@@ -10,6 +10,8 @@ pipeline:
   build:
     image: 'menci/archlinuxarm:base-devel'
     commands:
+      # Add the vieter repository so we can use the compiler
+      - echo -e '[vieter]\nServer = https://arch.r8r.be/$repo/$arch\nSigLevel = Optional' >> /etc/pacman.conf
       # Update packages
       - pacman -Syu --noconfirm
       # Create non-root user to perform build & switch to their home
diff --git a/PKGBUILD b/PKGBUILD
index 0c558b4..3f8c480 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -2,10 +2,10 @@
 
 pkgbase='vieter'
 pkgname='vieter'
-pkgver=0.2.0.r24.g9a56bd0
+pkgver=0.2.0.r25.g20112b8
 pkgrel=1
 depends=('glibc' 'openssl' 'libarchive' 'gc')
-makedepends=('git' 'gcc')
+makedepends=('git' 'gcc' 'vieter-v')
 arch=('x86_64' 'aarch64' 'armv7')
 url='https://git.rustybever.be/Chewing_Bever/vieter'
 license=('AGPL3')
@@ -20,10 +20,7 @@ pkgver() {
 build() {
     cd "$pkgname"
 
-    # Build the compiler
-    CFLAGS= make v
-
-    V_PATH=v/v make prod
+    make prod
 }
 
 package() {

From 15d21e3f1e60e5206aa83adb788735de95fd5e60 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Thu, 21 Apr 2022 09:52:23 +0200
Subject: [PATCH 06/28] cron: basic working loop; removed -skip-unused

---
 Makefile                         |  2 +-
 src/cron/daemon/build.v          | 36 +++++++++++++++++++-------
 src/cron/daemon/daemon.v         | 43 +++++++++++++++++++++-----------
 src/cron/expression/expression.v |  2 +-
 src/server/git.v                 | 10 ++++----
 src/server/routes.v              |  6 ++---
 6 files changed, 66 insertions(+), 33 deletions(-)

diff --git a/Makefile b/Makefile
index cc9c829..8ddabbe 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ SRC_DIR := src
 SOURCES != find '$(SRC_DIR)' -iname '*.v'
 
 V_PATH ?= v
-V := $(V_PATH) -showcc -gc boehm -skip-unused
+V := $(V_PATH) -showcc -gc boehm
 
 all: vieter
 
diff --git a/src/cron/daemon/build.v b/src/cron/daemon/build.v
index e7e5ac3..73ba183 100644
--- a/src/cron/daemon/build.v
+++ b/src/cron/daemon/build.v
@@ -1,9 +1,25 @@
 module daemon
 
-import git
 import time
 import sync.stdatomic
 
+const build_empty = 0
+const build_running = 1
+const build_done = 2
+
+// reschedule_builds looks for any builds with status code 2 & re-adds them to
+// the queue.
+fn (mut d Daemon) reschedule_builds() ? {
+	for i in 0..d.atomics.len {
+		if stdatomic.load_u64(&d.atomics[i]) == build_done {
+			stdatomic.store_u64(&d.atomics[i], build_empty)
+			sb := d.builds[i]
+
+			d.schedule_build(sb.repo_id, sb.repo) ?
+		}
+	}
+}
+
 // update_builds starts as many builds as possible.
 fn (mut d Daemon) update_builds() ? {
 	now := time.now()
@@ -13,7 +29,7 @@ fn (mut d Daemon) update_builds() ? {
 			sb := d.queue.pop() ?
 
 			// If this build couldn't be scheduled, no more will be possible.
-			if !d.start_build(sb.repo_id)? {
+			if !d.start_build(sb)? {
 				break
 			}
 		} else {
@@ -22,13 +38,14 @@ fn (mut d Daemon) update_builds() ? {
 	}
 }
 
-// start_build starts a build for the given repo_id.
-fn (mut d Daemon) start_build(repo_id string) ?bool {
+// start_build starts a build for the given ScheduledBuild object.
+fn (mut d Daemon) start_build(sb ScheduledBuild) ?bool {
 	for i in 0..d.atomics.len {
-		if stdatomic.load_u64(&d.atomics[i]) == 0 {
-			stdatomic.store_u64(&d.atomics[i], 1)
+		if stdatomic.load_u64(&d.atomics[i]) == build_empty {
+			stdatomic.store_u64(&d.atomics[i], build_running)
+			d.builds[i] = sb
 
-			go d.run_build(i, d.repos_map[repo_id])
+			go d.run_build(i, sb)
 
 			return true
 		}
@@ -37,9 +54,10 @@ fn (mut d Daemon) start_build(repo_id string) ?bool {
 	return false
 }
 
-fn (mut d Daemon) run_build(build_index int, repo git.GitRepo) ? {
+// run_build actually starts the build process for a given repo.
+fn (mut d Daemon) run_build(build_index int, sb ScheduledBuild) ? {
 	time.sleep(10 * time.second)
 
-	stdatomic.store_u64(&d.atomics[build_index], 2)
+	stdatomic.store_u64(&d.atomics[build_index], build_done)
 }
 
diff --git a/src/cron/daemon/daemon.v b/src/cron/daemon/daemon.v
index fc917e4..816bc15 100644
--- a/src/cron/daemon/daemon.v
+++ b/src/cron/daemon/daemon.v
@@ -30,7 +30,7 @@ mut:
 	api_update_timestamp time.Time
 	queue                MinHeap<ScheduledBuild>
 	// Which builds are currently running
-	builds []git.GitRepo
+	builds []ScheduledBuild
 	// Atomic variables used to detect when a build has finished; length is the
 	// same as builds
 	atomics []u64
@@ -47,7 +47,7 @@ pub fn init_daemon(logger log.Log, address string, api_key string, base_image st
 		global_schedule: global_schedule
 		api_update_frequency: api_update_frequency
 		atomics: []u64{len: max_concurrent_builds}
-		builds: []git.GitRepo{len: max_concurrent_builds}
+		builds: []ScheduledBuild{len: max_concurrent_builds}
 		logger: logger
 	}
 
@@ -62,14 +62,37 @@ pub fn init_daemon(logger log.Log, address string, api_key string, base_image st
 // periodically refreshes the list of repositories to ensure we stay in sync.
 pub fn (mut d Daemon) run() ? {
 	for {
+		println('1')
+		// Cleans up finished builds, opening up spots for new builds
+		d.reschedule_builds() ?
+		println('2')
+		// Schedules new builds when possible
 		d.update_builds() ?
+
 		println(d.queue)
 		println(d.atomics)
 
-		time.sleep(60 * time.second)
+		time.sleep(10 * time.second)
 	}
 }
 
+// schedule_build adds the next occurence of the given repo build to the queue.
+fn (mut d Daemon) schedule_build(repo_id string, repo git.GitRepo) ? {
+	ce := parse_expression(repo.schedule) or {
+		d.lerror("Error while parsing cron expression '$repo.schedule' ($repo_id): $err.msg()")
+
+		d.global_schedule
+	}
+	// A repo that can't be scheduled will just be skipped for now
+	timestamp := ce.next_from_now() ?
+
+	d.queue.insert(ScheduledBuild{
+		repo_id: repo_id
+		repo: repo
+		timestamp: timestamp
+	})
+}
+
 fn (mut d Daemon) renew_repos() ? {
 	mut new_repos := git.get_repos(d.address, d.api_key) ?
 
@@ -101,19 +124,11 @@ fn (mut d Daemon) renew_queue() ? {
 		}
 	}
 
+	d.queue = new_queue
+
 	// For each repository in repos_map, parse their cron expression (or use
 	// the default one if not present) & add them to the queue
 	for id, repo in d.repos_map {
-		ce := parse_expression(repo.schedule) or { d.global_schedule }
-		// A repo that can't be scheduled will just be skipped for now
-		timestamp := ce.next(now) or { continue }
-
-		new_queue.insert(ScheduledBuild{
-			repo_id: id
-			repo: repo
-			timestamp: timestamp
-		})
+		d.schedule_build(id, repo) ?
 	}
-
-	d.queue = new_queue
 }
diff --git a/src/cron/expression/expression.v b/src/cron/expression/expression.v
index c122585..6e11da2 100644
--- a/src/cron/expression/expression.v
+++ b/src/cron/expression/expression.v
@@ -114,7 +114,7 @@ pub fn (ce &CronExpression) next(ref time.Time) ?time.Time {
 	})
 }
 
-fn (ce &CronExpression) next_from_now() ?time.Time {
+pub fn (ce &CronExpression) next_from_now() ?time.Time {
 	return ce.next(time.now())
 }
 
diff --git a/src/server/git.v b/src/server/git.v
index a7655fe..a9d6f50 100644
--- a/src/server/git.v
+++ b/src/server/git.v
@@ -8,7 +8,7 @@ import response { new_data_response, new_response }
 
 const repos_file = 'repos.json'
 
-['/api/repos'; get; markused]
+['/api/repos'; get]
 fn (mut app App) get_repos() web.Result {
 	if !app.is_authorized() {
 		return app.json(http.Status.unauthorized, new_response('Unauthorized.'))
@@ -25,7 +25,7 @@ fn (mut app App) get_repos() web.Result {
 	return app.json(http.Status.ok, new_data_response(repos))
 }
 
-['/api/repos/:id'; get; markused]
+['/api/repos/:id'; get]
 fn (mut app App) get_single_repo(id string) web.Result {
 	if !app.is_authorized() {
 		return app.json(http.Status.unauthorized, new_response('Unauthorized.'))
@@ -48,7 +48,7 @@ fn (mut app App) get_single_repo(id string) web.Result {
 	return app.json(http.Status.ok, new_data_response(repo))
 }
 
-['/api/repos'; post; markused]
+['/api/repos'; post]
 fn (mut app App) post_repo() web.Result {
 	if !app.is_authorized() {
 		return app.json(http.Status.unauthorized, new_response('Unauthorized.'))
@@ -86,7 +86,7 @@ fn (mut app App) post_repo() web.Result {
 	return app.json(http.Status.ok, new_response('Repo added successfully.'))
 }
 
-['/api/repos/:id'; delete; markused]
+['/api/repos/:id'; delete]
 fn (mut app App) delete_repo(id string) web.Result {
 	if !app.is_authorized() {
 		return app.json(http.Status.unauthorized, new_response('Unauthorized.'))
@@ -113,7 +113,7 @@ fn (mut app App) delete_repo(id string) web.Result {
 	return app.json(http.Status.ok, new_response('Repo removed successfully.'))
 }
 
-['/api/repos/:id'; patch; markused]
+['/api/repos/:id'; patch]
 fn (mut app App) patch_repo(id string) web.Result {
 	if !app.is_authorized() {
 		return app.json(http.Status.unauthorized, new_response('Unauthorized.'))
diff --git a/src/server/routes.v b/src/server/routes.v
index b048f76..4f6c4f0 100644
--- a/src/server/routes.v
+++ b/src/server/routes.v
@@ -11,12 +11,12 @@ import response { new_response }
 
 // healthcheck just returns a string, but can be used to quickly check if the
 // server is still responsive.
-['/health'; get; markused]
+['/health'; get]
 pub fn (mut app App) healthcheck() web.Result {
 	return app.json(http.Status.ok, new_response('Healthy.'))
 }
 
-['/:repo/:arch/:filename'; get; head; markused]
+['/:repo/:arch/:filename'; get; head]
 fn (mut app App) get_repo_file(repo string, arch string, filename string) web.Result {
 	mut full_path := ''
 
@@ -54,7 +54,7 @@ fn (mut app App) get_repo_file(repo string, arch string, filename string) web.Re
 	return app.file(full_path)
 }
 
-['/:repo/publish'; post; markused]
+['/:repo/publish'; post]
 fn (mut app App) put_package(repo string) web.Result {
 	if !app.is_authorized() {
 		return app.json(http.Status.unauthorized, new_response('Unauthorized.'))

From 0dca7374dbf0804f168f8a774850e753e06a675a Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Thu, 21 Apr 2022 09:58:54 +0200
Subject: [PATCH 07/28] Fixed some errors in CI

---
 .woodpecker/.build.yml              |  3 +--
 .woodpecker/.build_experimental.yml | 11 +++++++++++
 Makefile                            |  7 ++++++-
 3 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/.woodpecker/.build.yml b/.woodpecker/.build.yml
index 66ae5a0..c612737 100644
--- a/.woodpecker/.build.yml
+++ b/.woodpecker/.build.yml
@@ -9,13 +9,12 @@ matrix:
 platform: ${PLATFORM}
 
 pipeline:
-  # The default build isn't needed, as alpine switches to gcc for the compiler anyways
   debug:
     image: 'chewingbever/vlang:latest'
     pull: true
     group: 'build'
     commands:
-      - make debug
+      - make
     when:
       event: push
       branch:
diff --git a/.woodpecker/.build_experimental.yml b/.woodpecker/.build_experimental.yml
index 2c0e20b..0129d2b 100644
--- a/.woodpecker/.build_experimental.yml
+++ b/.woodpecker/.build_experimental.yml
@@ -16,3 +16,14 @@ pipeline:
       - du -h afvieter
     when:
       event: push
+
+  skip-unused:
+    image: 'chewingbever/vlang:latest'
+    pull: true
+    group: 'build'
+    commands:
+      - make skip-unused
+      - readelf -d suvieter
+      - du -h suvieter
+    when:
+      event: push
diff --git a/Makefile b/Makefile
index 8ddabbe..fb044fa 100644
--- a/Makefile
+++ b/Makefile
@@ -19,7 +19,7 @@ vieter: $(SOURCES)
 .PHONY: debug
 debug: dvieter
 dvieter: $(SOURCES)
-	$(V_PATH) -showcc -keepc -cg -skip-unused -o dvieter $(SRC_DIR)
+	$(V_PATH) -showcc -keepc -cg -o dvieter $(SRC_DIR)
 
 # Run the debug build inside gdb
 .PHONY: gdb
@@ -83,3 +83,8 @@ clean:
 autofree: afvieter
 afvieter: $(SOURCES)
 	$(V_PATH) -showcc -autofree -o afvieter $(SRC_DIR)
+
+.PHONY: skip-unused
+skip-unused: suvieter
+skip-unused: $(SOURCES)
+	$(V_PATH) -showcc -skip-unused -o afvieter $(SRC_DIR)

From dca7ccd649d58b3c51d812dbbffd70c628442438 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Thu, 21 Apr 2022 15:51:39 +0200
Subject: [PATCH 08/28] ci: switch back to building debug

---
 .woodpecker/.build.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.woodpecker/.build.yml b/.woodpecker/.build.yml
index c612737..264872f 100644
--- a/.woodpecker/.build.yml
+++ b/.woodpecker/.build.yml
@@ -14,7 +14,7 @@ pipeline:
     pull: true
     group: 'build'
     commands:
-      - make
+      - make debug
     when:
       event: push
       branch:

From efa67bf930411d8c8226f5424e888458a6323837 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Thu, 21 Apr 2022 16:12:37 +0200
Subject: [PATCH 09/28] Compile boehm gc dynamically for debug

---
 Makefile | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index fb044fa..b665d4e 100644
--- a/Makefile
+++ b/Makefile
@@ -9,9 +9,10 @@ all: vieter
 
 
 # =====COMPILATION=====
-# Regular binary
+# We force the boehm gc to be compiled dynamically because otherwise, our CI
+# build breaks.
 vieter: $(SOURCES)
-	$(V) -g -o vieter $(SRC_DIR)
+	$(V) -d dynamic_boehm -g -o vieter $(SRC_DIR)
 
 # Debug build using gcc
 # The debug build can't use the boehm garbage collector, as that is

From 1b1b9d2edd7f049030f921036273733c73fbe508 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Thu, 21 Apr 2022 16:13:24 +0200
Subject: [PATCH 10/28] ci: build regular binary again

---
 .woodpecker/.build.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.woodpecker/.build.yml b/.woodpecker/.build.yml
index 264872f..c612737 100644
--- a/.woodpecker/.build.yml
+++ b/.woodpecker/.build.yml
@@ -14,7 +14,7 @@ pipeline:
     pull: true
     group: 'build'
     commands:
-      - make debug
+      - make
     when:
       event: push
       branch:

From 7df9d921f450bb59ac961d49b38e218063983825 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Thu, 21 Apr 2022 16:15:01 +0200
Subject: [PATCH 11/28] Add dynamic boehm compiler to tests as well

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index b665d4e..5480124 100644
--- a/Makefile
+++ b/Makefile
@@ -66,7 +66,7 @@ vet:
 
 .PHONY: test
 test:
-	$(V) test $(SRC_DIR)
+	$(V) -d dynamic_boehm test $(SRC_DIR)
 
 # Build & patch the V compiler
 .PHONY: v

From 4be25ff356979ad4cf21c6d13862111f8c458c9d Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Thu, 21 Apr 2022 16:26:46 +0200
Subject: [PATCH 12/28] ci: added dynamic boehm prod build to experimental
 builds

---
 .woodpecker/.build_experimental.yml | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/.woodpecker/.build_experimental.yml b/.woodpecker/.build_experimental.yml
index 0129d2b..3968e05 100644
--- a/.woodpecker/.build_experimental.yml
+++ b/.woodpecker/.build_experimental.yml
@@ -27,3 +27,22 @@ pipeline:
       - du -h suvieter
     when:
       event: push
+
+  dynamic-boehm-prod:
+    image: 'chewingbever/vlang:latest'
+    pull: true
+    group: 'build'
+    environment:
+      - LDFLAGS=-lz -lbz2 -llzma -lexpat -lzstd -llz4 -static
+      - VFLAGS=-cc gcc -d dynamic_boehm
+    commands:
+      - make prod
+      # Make sure the binary is actually statically built
+      - readelf -d pvieter
+      - du -h pvieter
+      - '[ "$(readelf -d pvieter | grep NEEDED | wc -l)" = 0 ]'
+      # This removes so much, it's amazing
+      - strip -s pvieter
+      - du -h pvieter
+    when:
+      event: push

From 8e40481022506bec558b35730d7f8b11eaad7349 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Thu, 21 Apr 2022 16:48:35 +0200
Subject: [PATCH 13/28] Use dynamic_boehm everywhere

---
 .woodpecker/.build_experimental.yml | 19 -------------------
 Makefile                            |  6 +++---
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/.woodpecker/.build_experimental.yml b/.woodpecker/.build_experimental.yml
index 3968e05..0129d2b 100644
--- a/.woodpecker/.build_experimental.yml
+++ b/.woodpecker/.build_experimental.yml
@@ -27,22 +27,3 @@ pipeline:
       - du -h suvieter
     when:
       event: push
-
-  dynamic-boehm-prod:
-    image: 'chewingbever/vlang:latest'
-    pull: true
-    group: 'build'
-    environment:
-      - LDFLAGS=-lz -lbz2 -llzma -lexpat -lzstd -llz4 -static
-      - VFLAGS=-cc gcc -d dynamic_boehm
-    commands:
-      - make prod
-      # Make sure the binary is actually statically built
-      - readelf -d pvieter
-      - du -h pvieter
-      - '[ "$(readelf -d pvieter | grep NEEDED | wc -l)" = 0 ]'
-      # This removes so much, it's amazing
-      - strip -s pvieter
-      - du -h pvieter
-    when:
-      event: push
diff --git a/Makefile b/Makefile
index 5480124..b9f369a 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ SRC_DIR := src
 SOURCES != find '$(SRC_DIR)' -iname '*.v'
 
 V_PATH ?= v
-V := $(V_PATH) -showcc -gc boehm
+V := $(V_PATH) -showcc -gc boehm -d dynamic_boehm
 
 all: vieter
 
@@ -12,7 +12,7 @@ all: vieter
 # We force the boehm gc to be compiled dynamically because otherwise, our CI
 # build breaks.
 vieter: $(SOURCES)
-	$(V) -d dynamic_boehm -g -o vieter $(SRC_DIR)
+	$(V) -g -o vieter $(SRC_DIR)
 
 # Debug build using gcc
 # The debug build can't use the boehm garbage collector, as that is
@@ -66,7 +66,7 @@ vet:
 
 .PHONY: test
 test:
-	$(V) -d dynamic_boehm test $(SRC_DIR)
+	$(V) test $(SRC_DIR)
 
 # Build & patch the V compiler
 .PHONY: v

From 392a95bbbe9dfe56b6fad42cc0d6960058733fba Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Thu, 21 Apr 2022 16:49:39 +0200
Subject: [PATCH 14/28] ci: run buils sequentially [CI SKIP]

---
 .woodpecker/.build.yml | 2 --
 1 file changed, 2 deletions(-)

diff --git a/.woodpecker/.build.yml b/.woodpecker/.build.yml
index c612737..e7341fd 100644
--- a/.woodpecker/.build.yml
+++ b/.woodpecker/.build.yml
@@ -12,7 +12,6 @@ pipeline:
   debug:
     image: 'chewingbever/vlang:latest'
     pull: true
-    group: 'build'
     commands:
       - make
     when:
@@ -25,7 +24,6 @@ pipeline:
     pull: true
     environment:
       - LDFLAGS=-lz -lbz2 -llzma -lexpat -lzstd -llz4 -static
-    group: 'build'
     commands:
       - make prod
       # Make sure the binary is actually statically built

From 8d1fbd306f93a10a763c42c7d512410d50835be5 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Fri, 29 Apr 2022 10:34:12 +0200
Subject: [PATCH 15/28] Added docs command & notice in README [CI SKIP]

---
 .gitignore | 3 +++
 Makefile   | 8 +++++++-
 README.md  | 4 +++-
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/.gitignore b/.gitignore
index a3f6afc..6a06eb2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,3 +23,6 @@ v/
 
 # gdb log file
 gdb.txt
+
+# Generated docs
+_docs/
diff --git a/Makefile b/Makefile
index b9f369a..db77c2e 100644
--- a/Makefile
+++ b/Makefile
@@ -75,8 +75,14 @@ v/v:
 	git clone --single-branch https://git.rustybever.be/Chewing_Bever/v v
 	make -C v
 
+.PHONY: clean
 clean:
-	rm -rf 'data' 'vieter' 'dvieter' 'pvieter' 'vieter.c' 'dvieterctl' 'vieterctl' 'pkg' 'src/vieter' *.pkg.tar.zst 'suvieter' 'afvieter'
+	rm -rf 'data' 'vieter' 'dvieter' 'pvieter' 'vieter.c' 'dvieterctl' 'vieterctl' 'pkg' 'src/vieter' *.pkg.tar.zst 'suvieter' 'afvieter' '$(SRC_DIR)/_docs'
+
+.PHONY: docs
+docs:
+	rm -rf '$(SRC_DIR)/_docs'
+	cd '$(SRC_DIR)' && v doc -all -f html -m -readme .
 
 
 # =====EXPERIMENTAL=====
diff --git a/README.md b/README.md
index 96b104d..08f1e75 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,9 @@
 
 ## Documentation
 
-I host documentation for Vieter over at https://rustybever.be/docs/vieter/.
+I host documentation for Vieter over at https://rustybever.be/docs/vieter/. API
+documentation for the current codebase can be found at
+https://rustybever.be/api-docs/vieter/.
 
 ## Overview
 

From 46c068e07fc5192bef450b9ed27001297cbeacd9 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Sat, 30 Apr 2022 10:40:29 +0200
Subject: [PATCH 16/28] daemon: worked on daemon loop

---
 src/cron/cli.v           |  5 +++--
 src/cron/daemon/build.v  | 23 +++++++++++++----------
 src/cron/daemon/daemon.v | 38 +++++++++++++++++++++++++++++++++-----
 3 files changed, 49 insertions(+), 17 deletions(-)

diff --git a/src/cron/cli.v b/src/cron/cli.v
index f4b20ec..3b836dd 100644
--- a/src/cron/cli.v
+++ b/src/cron/cli.v
@@ -11,8 +11,9 @@ pub:
 	address               string
 	base_image            string = 'archlinux:base-devel'
 	max_concurrent_builds int    = 1
-	api_update_frequency  int    = 60
-	global_schedule       string
+	api_update_frequency  int    = 15
+	// Replicates the behavior of the original cron system
+	global_schedule string = '0 3'
 }
 
 // cmd returns the cli module that handles the cron daemon.
diff --git a/src/cron/daemon/build.v b/src/cron/daemon/build.v
index 73ba183..c5ef428 100644
--- a/src/cron/daemon/build.v
+++ b/src/cron/daemon/build.v
@@ -4,15 +4,17 @@ import time
 import sync.stdatomic
 
 const build_empty = 0
+
 const build_running = 1
+
 const build_done = 2
 
 // reschedule_builds looks for any builds with status code 2 & re-adds them to
 // the queue.
 fn (mut d Daemon) reschedule_builds() ? {
-	for i in 0..d.atomics.len {
-		if stdatomic.load_u64(&d.atomics[i]) == build_done {
-			stdatomic.store_u64(&d.atomics[i], build_empty)
+	for i in 0 .. d.atomics.len {
+		if stdatomic.load_u64(&d.atomics[i]) == daemon.build_done {
+			stdatomic.store_u64(&d.atomics[i], daemon.build_empty)
 			sb := d.builds[i]
 
 			d.schedule_build(sb.repo_id, sb.repo) ?
@@ -29,7 +31,8 @@ fn (mut d Daemon) update_builds() ? {
 			sb := d.queue.pop() ?
 
 			// If this build couldn't be scheduled, no more will be possible.
-			if !d.start_build(sb)? {
+			// TODO a build that couldn't be scheduled should be re-added to the queue.
+			if !d.start_build(sb) {
 				break
 			}
 		} else {
@@ -39,10 +42,10 @@ fn (mut d Daemon) update_builds() ? {
 }
 
 // start_build starts a build for the given ScheduledBuild object.
-fn (mut d Daemon) start_build(sb ScheduledBuild) ?bool {
-	for i in 0..d.atomics.len {
-		if stdatomic.load_u64(&d.atomics[i]) == build_empty {
-			stdatomic.store_u64(&d.atomics[i], build_running)
+fn (mut d Daemon) start_build(sb ScheduledBuild) bool {
+	for i in 0 .. d.atomics.len {
+		if stdatomic.load_u64(&d.atomics[i]) == daemon.build_empty {
+			stdatomic.store_u64(&d.atomics[i], daemon.build_running)
 			d.builds[i] = sb
 
 			go d.run_build(i, sb)
@@ -56,8 +59,8 @@ fn (mut d Daemon) start_build(sb ScheduledBuild) ?bool {
 
 // run_build actually starts the build process for a given repo.
 fn (mut d Daemon) run_build(build_index int, sb ScheduledBuild) ? {
+	d.linfo('build $sb.repo.url')
 	time.sleep(10 * time.second)
 
-	stdatomic.store_u64(&d.atomics[build_index], build_done)
+	stdatomic.store_u64(&d.atomics[build_index], daemon.build_done)
 }
-
diff --git a/src/cron/daemon/daemon.v b/src/cron/daemon/daemon.v
index 816bc15..7253e94 100644
--- a/src/cron/daemon/daemon.v
+++ b/src/cron/daemon/daemon.v
@@ -5,6 +5,8 @@ import time
 import log
 import datatypes { MinHeap }
 import cron.expression { CronExpression, parse_expression }
+import math
+import arrays
 
 struct ScheduledBuild {
 pub:
@@ -62,23 +64,47 @@ pub fn init_daemon(logger log.Log, address string, api_key string, base_image st
 // periodically refreshes the list of repositories to ensure we stay in sync.
 pub fn (mut d Daemon) run() ? {
 	for {
-		println('1')
+		// Update the API's contents if needed & renew the queue
+		if time.now() >= d.api_update_timestamp {
+			d.renew_repos() ?
+			d.renew_queue() ?
+		}
+
 		// Cleans up finished builds, opening up spots for new builds
 		d.reschedule_builds() ?
-		println('2')
+
+		// TODO rebuild builder image when needed
+
 		// Schedules new builds when possible
 		d.update_builds() ?
 
-		println(d.queue)
-		println(d.atomics)
+		// Sleep either until we have to refresh the repos or when the next
+		// build has to start, with a minimum of 1 second.
+		now := time.now()
 
-		time.sleep(10 * time.second)
+		mut delay := d.api_update_timestamp - now
+
+		if d.queue.len() > 0 {
+			time_until_next_job := d.queue.peek() ?.timestamp - now
+
+			delay = math.min(delay, time_until_next_job)
+		}
+
+		d.ldebug('Sleeping for ${delay}...')
+
+		// TODO if there are builds active, the sleep time should be much lower to clean up the builds when they're finished.
+
+		// We sleep for at least one second. This is to prevent the program
+		// from looping agressively when a cronjob can be scheduled, but
+		// there's no spots free for it to be started.
+		time.sleep(math.max(delay, 1 * time.second))
 	}
 }
 
 // schedule_build adds the next occurence of the given repo build to the queue.
 fn (mut d Daemon) schedule_build(repo_id string, repo git.GitRepo) ? {
 	ce := parse_expression(repo.schedule) or {
+		// TODO This shouldn't return an error if the expression is empty.
 		d.lerror("Error while parsing cron expression '$repo.schedule' ($repo_id): $err.msg()")
 
 		d.global_schedule
@@ -94,6 +120,7 @@ fn (mut d Daemon) schedule_build(repo_id string, repo git.GitRepo) ? {
 }
 
 fn (mut d Daemon) renew_repos() ? {
+	d.ldebug('Renewing repos...')
 	mut new_repos := git.get_repos(d.address, d.api_key) ?
 
 	d.repos_map = new_repos.move()
@@ -104,6 +131,7 @@ fn (mut d Daemon) renew_repos() ? {
 // renew_queue replaces the old queue with a new one that reflects the newest
 // values in repos_map.
 fn (mut d Daemon) renew_queue() ? {
+	d.ldebug('Renewing queue...')
 	mut new_queue := MinHeap<ScheduledBuild>{}
 
 	// Move any jobs that should have already started from the old queue onto

From b27041d5a789f3aea2faab732ad7cb4924df5aa7 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Sat, 30 Apr 2022 10:40:57 +0200
Subject: [PATCH 17/28] make: removed some typos from Makefile

---
 Makefile | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index db77c2e..55f15ae 100644
--- a/Makefile
+++ b/Makefile
@@ -25,7 +25,7 @@ dvieter: $(SOURCES)
 # Run the debug build inside gdb
 .PHONY: gdb
 gdb: dvieter
-		gdb --args './dvieter -f vieter.toml server'
+		gdb --args ./dvieter -f vieter.toml server
 
 # Optimised production build
 .PHONY: prod
@@ -93,5 +93,5 @@ afvieter: $(SOURCES)
 
 .PHONY: skip-unused
 skip-unused: suvieter
-skip-unused: $(SOURCES)
-	$(V_PATH) -showcc -skip-unused -o afvieter $(SRC_DIR)
+suvieter: $(SOURCES)
+	$(V_PATH) -showcc -skip-unused -o suvieter $(SRC_DIR)

From 20707f6af14ebce35476f7ddffa07b60c415ea86 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Fri, 15 Apr 2022 11:38:06 +0200
Subject: [PATCH 18/28] chore(ci): change debug build used

chore(ci): removed skip-unused-static experimental build

chore: updated Makefile
---
 .gitignore                          |  4 ++--
 .woodpecker/.build.yml              |  5 +++--
 .woodpecker/.build_experimental.yml | 13 -------------
 Makefile                            |  4 ++--
 4 files changed, 7 insertions(+), 19 deletions(-)

diff --git a/.gitignore b/.gitignore
index 7847b3f..a3f6afc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,8 +5,8 @@ data/
 vieter
 dvieter
 pvieter
-dvieterctl
-vieterctl
+suvieter
+afvieter
 vieter.c
 
 # Ignore testing files
diff --git a/.woodpecker/.build.yml b/.woodpecker/.build.yml
index e68c4c9..c612737 100644
--- a/.woodpecker/.build.yml
+++ b/.woodpecker/.build.yml
@@ -9,15 +9,16 @@ matrix:
 platform: ${PLATFORM}
 
 pipeline:
-  # The default build isn't needed, as alpine switches to gcc for the compiler anyways
   debug:
     image: 'chewingbever/vlang:latest'
     pull: true
     group: 'build'
     commands:
-      - make debug
+      - make
     when:
       event: push
+      branch:
+        exclude: [main, dev]
 
   prod:
     image: 'chewingbever/vlang:latest'
diff --git a/.woodpecker/.build_experimental.yml b/.woodpecker/.build_experimental.yml
index 032a42b..0129d2b 100644
--- a/.woodpecker/.build_experimental.yml
+++ b/.woodpecker/.build_experimental.yml
@@ -27,16 +27,3 @@ pipeline:
       - du -h suvieter
     when:
       event: push
-
-  skip-unused-static:
-    image: 'chewingbever/vlang:latest'
-    pull: true
-    environment:
-      - LDFLAGS=-lz -lbz2 -llzma -lexpat -lzstd -llz4 -static
-    group: 'build'
-    commands:
-      - make skip-unused
-      - readelf -d suvieter
-      - du -h suvieter
-    when:
-      event: push
diff --git a/Makefile b/Makefile
index 2f39983..fb97ec2 100644
--- a/Makefile
+++ b/Makefile
@@ -24,7 +24,7 @@ dvieter: $(SOURCES)
 # Run the debug build inside gdb
 .PHONY: gdb
 gdb: dvieter
-		gdb --args './dvieter -f vieter.toml server'
+		gdb --args ./dvieter -f vieter.toml server
 
 # Optimised production build
 .PHONY: prod
@@ -75,7 +75,7 @@ v/v:
 	make -C v
 
 clean:
-	rm -rf 'data' 'vieter' 'dvieter' 'pvieter' 'vieter.c' 'dvieterctl' 'vieterctl' 'pkg' 'src/vieter' *.pkg.tar.zst
+	rm -rf 'data' 'vieter' 'dvieter' 'pvieter' 'vieter.c' 'dvieterctl' 'vieterctl' 'pkg' 'src/vieter' *.pkg.tar.zst 'suvieter' 'afvieter'
 
 
 # =====EXPERIMENTAL=====

From 7722d5a7e41cdaed0569acdfd51e21e9acb45734 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Sat, 30 Apr 2022 11:43:06 +0200
Subject: [PATCH 19/28] fix: replace byte with u8

BREAKING: the V compiler removed the byte type alias in favor of u8.
---
 src/docker/docker.v | 6 +++---
 src/repo/sync.v     | 2 +-
 src/util/util.v     | 4 ++--
 src/web/web.v       | 2 +-
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/docker/docker.v b/src/docker/docker.v
index a6f7640..07ceb8e 100644
--- a/src/docker/docker.v
+++ b/src/docker/docker.v
@@ -28,8 +28,8 @@ fn send(req &string) ?http.Response {
 	s.wait_for_write() ?
 
 	mut c := 0
-	mut buf := []byte{len: docker.buf_len}
-	mut res := []byte{}
+	mut buf := []u8{len: docker.buf_len}
+	mut res := []u8{}
 
 	for {
 		c = s.read(mut buf) or { return error('Failed to read data from socket ${docker.socket}.') }
@@ -52,7 +52,7 @@ fn send(req &string) ?http.Response {
 
 	// We loop until we've encountered the end of the chunked response
 	// A chunked HTTP response always ends with '0\r\n\r\n'.
-	for res.len < 5 || res#[-5..] != [byte(`0`), `\r`, `\n`, `\r`, `\n`] {
+	for res.len < 5 || res#[-5..] != [u8(`0`), `\r`, `\n`, `\r`, `\n`] {
 		// Wait for the server to respond
 		s.wait_for_write() ?
 
diff --git a/src/repo/sync.v b/src/repo/sync.v
index e2b7aac..12756b7 100644
--- a/src/repo/sync.v
+++ b/src/repo/sync.v
@@ -19,7 +19,7 @@ fn archive_add_entry(archive &C.archive, entry &C.archive_entry, file_path &stri
 	}
 
 	// Write the file to the archive
-	buf := [8192]byte{}
+	buf := [8192]u8{}
 	mut len := C.read(fd, &buf, sizeof(buf))
 
 	for len > 0 {
diff --git a/src/util/util.v b/src/util/util.v
index 228f584..c1af30e 100644
--- a/src/util/util.v
+++ b/src/util/util.v
@@ -30,7 +30,7 @@ pub fn reader_to_file(mut reader io.BufferedReader, length int, path string) ? {
 		file.close()
 	}
 
-	mut buf := []byte{len: util.reader_buf_size}
+	mut buf := []u8{len: util.reader_buf_size}
 	mut bytes_left := length
 
 	// Repeat as long as the stream still has data
@@ -60,7 +60,7 @@ pub fn hash_file(path &string) ?(string, string) {
 	mut sha256sum := sha256.new()
 
 	buf_size := int(1_000_000)
-	mut buf := []byte{len: buf_size}
+	mut buf := []u8{len: buf_size}
 	mut bytes_left := os.file_size(path)
 
 	for bytes_left > 0 {
diff --git a/src/web/web.v b/src/web/web.v
index 688f854..3e7b047 100644
--- a/src/web/web.v
+++ b/src/web/web.v
@@ -285,7 +285,7 @@ pub fn (mut ctx Context) file(f_path string) Result {
 	resp.set_status(ctx.status)
 	send_string(mut ctx.conn, resp.bytestr()) or { return Result{} }
 
-	mut buf := []byte{len: 1_000_000}
+	mut buf := []u8{len: 1_000_000}
 	mut bytes_left := file_size
 
 	// Repeat as long as the stream still has data

From 4d26797453c432297073e512942c2216c35c5edc Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Thu, 21 Apr 2022 09:07:16 +0200
Subject: [PATCH 20/28] chore(ci): Updated PKGBUILD to use vieter-v package

---
 .woodpecker/.arch.yml | 2 ++
 PKGBUILD              | 9 +++------
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/.woodpecker/.arch.yml b/.woodpecker/.arch.yml
index ab3c6ea..e37dc1a 100644
--- a/.woodpecker/.arch.yml
+++ b/.woodpecker/.arch.yml
@@ -10,6 +10,8 @@ pipeline:
   build:
     image: 'menci/archlinuxarm:base-devel'
     commands:
+      # Add the vieter repository so we can use the compiler
+      - echo -e '[vieter]\nServer = https://arch.r8r.be/$repo/$arch\nSigLevel = Optional' >> /etc/pacman.conf
       # Update packages
       - pacman -Syu --noconfirm
       # Create non-root user to perform build & switch to their home
diff --git a/PKGBUILD b/PKGBUILD
index 0c558b4..3f8c480 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -2,10 +2,10 @@
 
 pkgbase='vieter'
 pkgname='vieter'
-pkgver=0.2.0.r24.g9a56bd0
+pkgver=0.2.0.r25.g20112b8
 pkgrel=1
 depends=('glibc' 'openssl' 'libarchive' 'gc')
-makedepends=('git' 'gcc')
+makedepends=('git' 'gcc' 'vieter-v')
 arch=('x86_64' 'aarch64' 'armv7')
 url='https://git.rustybever.be/Chewing_Bever/vieter'
 license=('AGPL3')
@@ -20,10 +20,7 @@ pkgver() {
 build() {
     cd "$pkgname"
 
-    # Build the compiler
-    CFLAGS= make v
-
-    V_PATH=v/v make prod
+    make prod
 }
 
 package() {

From 6f9e1b5f3cf02a5f60c419da6c71523a790d19bf Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Sat, 30 Apr 2022 11:31:14 +0200
Subject: [PATCH 21/28] feat(cron): start of working loop

---
 src/cron/daemon/build.v          | 36 +++++++++++++++++++-------
 src/cron/daemon/daemon.v         | 43 +++++++++++++++++++++-----------
 src/cron/expression/expression.v |  2 +-
 3 files changed, 57 insertions(+), 24 deletions(-)

diff --git a/src/cron/daemon/build.v b/src/cron/daemon/build.v
index e7e5ac3..73ba183 100644
--- a/src/cron/daemon/build.v
+++ b/src/cron/daemon/build.v
@@ -1,9 +1,25 @@
 module daemon
 
-import git
 import time
 import sync.stdatomic
 
+const build_empty = 0
+const build_running = 1
+const build_done = 2
+
+// reschedule_builds looks for any builds with status code 2 & re-adds them to
+// the queue.
+fn (mut d Daemon) reschedule_builds() ? {
+	for i in 0..d.atomics.len {
+		if stdatomic.load_u64(&d.atomics[i]) == build_done {
+			stdatomic.store_u64(&d.atomics[i], build_empty)
+			sb := d.builds[i]
+
+			d.schedule_build(sb.repo_id, sb.repo) ?
+		}
+	}
+}
+
 // update_builds starts as many builds as possible.
 fn (mut d Daemon) update_builds() ? {
 	now := time.now()
@@ -13,7 +29,7 @@ fn (mut d Daemon) update_builds() ? {
 			sb := d.queue.pop() ?
 
 			// If this build couldn't be scheduled, no more will be possible.
-			if !d.start_build(sb.repo_id)? {
+			if !d.start_build(sb)? {
 				break
 			}
 		} else {
@@ -22,13 +38,14 @@ fn (mut d Daemon) update_builds() ? {
 	}
 }
 
-// start_build starts a build for the given repo_id.
-fn (mut d Daemon) start_build(repo_id string) ?bool {
+// start_build starts a build for the given ScheduledBuild object.
+fn (mut d Daemon) start_build(sb ScheduledBuild) ?bool {
 	for i in 0..d.atomics.len {
-		if stdatomic.load_u64(&d.atomics[i]) == 0 {
-			stdatomic.store_u64(&d.atomics[i], 1)
+		if stdatomic.load_u64(&d.atomics[i]) == build_empty {
+			stdatomic.store_u64(&d.atomics[i], build_running)
+			d.builds[i] = sb
 
-			go d.run_build(i, d.repos_map[repo_id])
+			go d.run_build(i, sb)
 
 			return true
 		}
@@ -37,9 +54,10 @@ fn (mut d Daemon) start_build(repo_id string) ?bool {
 	return false
 }
 
-fn (mut d Daemon) run_build(build_index int, repo git.GitRepo) ? {
+// run_build actually starts the build process for a given repo.
+fn (mut d Daemon) run_build(build_index int, sb ScheduledBuild) ? {
 	time.sleep(10 * time.second)
 
-	stdatomic.store_u64(&d.atomics[build_index], 2)
+	stdatomic.store_u64(&d.atomics[build_index], build_done)
 }
 
diff --git a/src/cron/daemon/daemon.v b/src/cron/daemon/daemon.v
index fc917e4..816bc15 100644
--- a/src/cron/daemon/daemon.v
+++ b/src/cron/daemon/daemon.v
@@ -30,7 +30,7 @@ mut:
 	api_update_timestamp time.Time
 	queue                MinHeap<ScheduledBuild>
 	// Which builds are currently running
-	builds []git.GitRepo
+	builds []ScheduledBuild
 	// Atomic variables used to detect when a build has finished; length is the
 	// same as builds
 	atomics []u64
@@ -47,7 +47,7 @@ pub fn init_daemon(logger log.Log, address string, api_key string, base_image st
 		global_schedule: global_schedule
 		api_update_frequency: api_update_frequency
 		atomics: []u64{len: max_concurrent_builds}
-		builds: []git.GitRepo{len: max_concurrent_builds}
+		builds: []ScheduledBuild{len: max_concurrent_builds}
 		logger: logger
 	}
 
@@ -62,14 +62,37 @@ pub fn init_daemon(logger log.Log, address string, api_key string, base_image st
 // periodically refreshes the list of repositories to ensure we stay in sync.
 pub fn (mut d Daemon) run() ? {
 	for {
+		println('1')
+		// Cleans up finished builds, opening up spots for new builds
+		d.reschedule_builds() ?
+		println('2')
+		// Schedules new builds when possible
 		d.update_builds() ?
+
 		println(d.queue)
 		println(d.atomics)
 
-		time.sleep(60 * time.second)
+		time.sleep(10 * time.second)
 	}
 }
 
+// schedule_build adds the next occurence of the given repo build to the queue.
+fn (mut d Daemon) schedule_build(repo_id string, repo git.GitRepo) ? {
+	ce := parse_expression(repo.schedule) or {
+		d.lerror("Error while parsing cron expression '$repo.schedule' ($repo_id): $err.msg()")
+
+		d.global_schedule
+	}
+	// A repo that can't be scheduled will just be skipped for now
+	timestamp := ce.next_from_now() ?
+
+	d.queue.insert(ScheduledBuild{
+		repo_id: repo_id
+		repo: repo
+		timestamp: timestamp
+	})
+}
+
 fn (mut d Daemon) renew_repos() ? {
 	mut new_repos := git.get_repos(d.address, d.api_key) ?
 
@@ -101,19 +124,11 @@ fn (mut d Daemon) renew_queue() ? {
 		}
 	}
 
+	d.queue = new_queue
+
 	// For each repository in repos_map, parse their cron expression (or use
 	// the default one if not present) & add them to the queue
 	for id, repo in d.repos_map {
-		ce := parse_expression(repo.schedule) or { d.global_schedule }
-		// A repo that can't be scheduled will just be skipped for now
-		timestamp := ce.next(now) or { continue }
-
-		new_queue.insert(ScheduledBuild{
-			repo_id: id
-			repo: repo
-			timestamp: timestamp
-		})
+		d.schedule_build(id, repo) ?
 	}
-
-	d.queue = new_queue
 }
diff --git a/src/cron/expression/expression.v b/src/cron/expression/expression.v
index c122585..6e11da2 100644
--- a/src/cron/expression/expression.v
+++ b/src/cron/expression/expression.v
@@ -114,7 +114,7 @@ pub fn (ce &CronExpression) next(ref time.Time) ?time.Time {
 	})
 }
 
-fn (ce &CronExpression) next_from_now() ?time.Time {
+pub fn (ce &CronExpression) next_from_now() ?time.Time {
 	return ce.next(time.now())
 }
 

From 5ee6d553ac268d2a79dced18d421b15461ff7f11 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Thu, 21 Apr 2022 16:12:37 +0200
Subject: [PATCH 22/28] Compile boehm gc dynamically for debug

---
 Makefile | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index fb97ec2..a0101a5 100644
--- a/Makefile
+++ b/Makefile
@@ -9,9 +9,10 @@ all: vieter
 
 
 # =====COMPILATION=====
-# Regular binary
+# We force the boehm gc to be compiled dynamically because otherwise, our CI
+# build breaks.
 vieter: $(SOURCES)
-	$(V) -g -o vieter $(SRC_DIR)
+	$(V) -d dynamic_boehm -g -o vieter $(SRC_DIR)
 
 # Debug build using gcc
 # The debug build can't use the boehm garbage collector, as that is

From 16151643e64034a6af15fd1c71ef33e411d17ff5 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Thu, 21 Apr 2022 16:15:01 +0200
Subject: [PATCH 23/28] Add dynamic boehm compiler to tests as well

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index a0101a5..165939f 100644
--- a/Makefile
+++ b/Makefile
@@ -66,7 +66,7 @@ vet:
 
 .PHONY: test
 test:
-	$(V) test $(SRC_DIR)
+	$(V) -d dynamic_boehm test $(SRC_DIR)
 
 # Build & patch the V compiler
 .PHONY: v

From ead4c5f4b73f3a458602771ecfb748eefbc0d541 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Thu, 21 Apr 2022 16:26:46 +0200
Subject: [PATCH 24/28] ci: added dynamic boehm prod build to experimental
 builds

---
 .woodpecker/.build_experimental.yml | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/.woodpecker/.build_experimental.yml b/.woodpecker/.build_experimental.yml
index 0129d2b..3968e05 100644
--- a/.woodpecker/.build_experimental.yml
+++ b/.woodpecker/.build_experimental.yml
@@ -27,3 +27,22 @@ pipeline:
       - du -h suvieter
     when:
       event: push
+
+  dynamic-boehm-prod:
+    image: 'chewingbever/vlang:latest'
+    pull: true
+    group: 'build'
+    environment:
+      - LDFLAGS=-lz -lbz2 -llzma -lexpat -lzstd -llz4 -static
+      - VFLAGS=-cc gcc -d dynamic_boehm
+    commands:
+      - make prod
+      # Make sure the binary is actually statically built
+      - readelf -d pvieter
+      - du -h pvieter
+      - '[ "$(readelf -d pvieter | grep NEEDED | wc -l)" = 0 ]'
+      # This removes so much, it's amazing
+      - strip -s pvieter
+      - du -h pvieter
+    when:
+      event: push

From d5409201c74203911dc85e14235a6db88a230abc Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Thu, 21 Apr 2022 16:48:35 +0200
Subject: [PATCH 25/28] Use dynamic_boehm everywhere

---
 .woodpecker/.build_experimental.yml | 19 -------------------
 Makefile                            |  6 +++---
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/.woodpecker/.build_experimental.yml b/.woodpecker/.build_experimental.yml
index 3968e05..0129d2b 100644
--- a/.woodpecker/.build_experimental.yml
+++ b/.woodpecker/.build_experimental.yml
@@ -27,22 +27,3 @@ pipeline:
       - du -h suvieter
     when:
       event: push
-
-  dynamic-boehm-prod:
-    image: 'chewingbever/vlang:latest'
-    pull: true
-    group: 'build'
-    environment:
-      - LDFLAGS=-lz -lbz2 -llzma -lexpat -lzstd -llz4 -static
-      - VFLAGS=-cc gcc -d dynamic_boehm
-    commands:
-      - make prod
-      # Make sure the binary is actually statically built
-      - readelf -d pvieter
-      - du -h pvieter
-      - '[ "$(readelf -d pvieter | grep NEEDED | wc -l)" = 0 ]'
-      # This removes so much, it's amazing
-      - strip -s pvieter
-      - du -h pvieter
-    when:
-      event: push
diff --git a/Makefile b/Makefile
index 165939f..c7f4384 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ SRC_DIR := src
 SOURCES != find '$(SRC_DIR)' -iname '*.v'
 
 V_PATH ?= v
-V := $(V_PATH) -showcc -gc boehm
+V := $(V_PATH) -showcc -gc boehm -d dynamic_boehm
 
 all: vieter
 
@@ -12,7 +12,7 @@ all: vieter
 # We force the boehm gc to be compiled dynamically because otherwise, our CI
 # build breaks.
 vieter: $(SOURCES)
-	$(V) -d dynamic_boehm -g -o vieter $(SRC_DIR)
+	$(V) -g -o vieter $(SRC_DIR)
 
 # Debug build using gcc
 # The debug build can't use the boehm garbage collector, as that is
@@ -66,7 +66,7 @@ vet:
 
 .PHONY: test
 test:
-	$(V) -d dynamic_boehm test $(SRC_DIR)
+	$(V) test $(SRC_DIR)
 
 # Build & patch the V compiler
 .PHONY: v

From 488a172586d31d88d184eb58dea8c157b4547f8a Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Thu, 21 Apr 2022 16:49:39 +0200
Subject: [PATCH 26/28] ci: run buils sequentially [CI SKIP]

---
 .woodpecker/.build.yml | 2 --
 1 file changed, 2 deletions(-)

diff --git a/.woodpecker/.build.yml b/.woodpecker/.build.yml
index c612737..e7341fd 100644
--- a/.woodpecker/.build.yml
+++ b/.woodpecker/.build.yml
@@ -12,7 +12,6 @@ pipeline:
   debug:
     image: 'chewingbever/vlang:latest'
     pull: true
-    group: 'build'
     commands:
       - make
     when:
@@ -25,7 +24,6 @@ pipeline:
     pull: true
     environment:
       - LDFLAGS=-lz -lbz2 -llzma -lexpat -lzstd -llz4 -static
-    group: 'build'
     commands:
       - make prod
       # Make sure the binary is actually statically built

From ed02d82a0d939acfd8a6ced18cd4b3dffc22d7f8 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Fri, 29 Apr 2022 10:34:12 +0200
Subject: [PATCH 27/28] Added docs command & notice in README [CI SKIP]

---
 .gitignore | 3 +++
 Makefile   | 8 +++++++-
 README.md  | 4 +++-
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/.gitignore b/.gitignore
index a3f6afc..6a06eb2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,3 +23,6 @@ v/
 
 # gdb log file
 gdb.txt
+
+# Generated docs
+_docs/
diff --git a/Makefile b/Makefile
index c7f4384..55f15ae 100644
--- a/Makefile
+++ b/Makefile
@@ -75,8 +75,14 @@ v/v:
 	git clone --single-branch https://git.rustybever.be/Chewing_Bever/v v
 	make -C v
 
+.PHONY: clean
 clean:
-	rm -rf 'data' 'vieter' 'dvieter' 'pvieter' 'vieter.c' 'dvieterctl' 'vieterctl' 'pkg' 'src/vieter' *.pkg.tar.zst 'suvieter' 'afvieter'
+	rm -rf 'data' 'vieter' 'dvieter' 'pvieter' 'vieter.c' 'dvieterctl' 'vieterctl' 'pkg' 'src/vieter' *.pkg.tar.zst 'suvieter' 'afvieter' '$(SRC_DIR)/_docs'
+
+.PHONY: docs
+docs:
+	rm -rf '$(SRC_DIR)/_docs'
+	cd '$(SRC_DIR)' && v doc -all -f html -m -readme .
 
 
 # =====EXPERIMENTAL=====
diff --git a/README.md b/README.md
index 96b104d..08f1e75 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,9 @@
 
 ## Documentation
 
-I host documentation for Vieter over at https://rustybever.be/docs/vieter/.
+I host documentation for Vieter over at https://rustybever.be/docs/vieter/. API
+documentation for the current codebase can be found at
+https://rustybever.be/api-docs/vieter/.
 
 ## Overview
 

From cc061a38daae7ffda27135ee9cbe5e01595cbfb0 Mon Sep 17 00:00:00 2001
From: Jef Roosens <roosensjef@gmail.com>
Date: Sat, 30 Apr 2022 10:40:29 +0200
Subject: [PATCH 28/28] daemon: worked on daemon loop

---
 src/cron/cli.v           |  5 +++--
 src/cron/daemon/build.v  | 23 +++++++++++++----------
 src/cron/daemon/daemon.v | 38 +++++++++++++++++++++++++++++++++-----
 3 files changed, 49 insertions(+), 17 deletions(-)

diff --git a/src/cron/cli.v b/src/cron/cli.v
index f4b20ec..3b836dd 100644
--- a/src/cron/cli.v
+++ b/src/cron/cli.v
@@ -11,8 +11,9 @@ pub:
 	address               string
 	base_image            string = 'archlinux:base-devel'
 	max_concurrent_builds int    = 1
-	api_update_frequency  int    = 60
-	global_schedule       string
+	api_update_frequency  int    = 15
+	// Replicates the behavior of the original cron system
+	global_schedule string = '0 3'
 }
 
 // cmd returns the cli module that handles the cron daemon.
diff --git a/src/cron/daemon/build.v b/src/cron/daemon/build.v
index 73ba183..c5ef428 100644
--- a/src/cron/daemon/build.v
+++ b/src/cron/daemon/build.v
@@ -4,15 +4,17 @@ import time
 import sync.stdatomic
 
 const build_empty = 0
+
 const build_running = 1
+
 const build_done = 2
 
 // reschedule_builds looks for any builds with status code 2 & re-adds them to
 // the queue.
 fn (mut d Daemon) reschedule_builds() ? {
-	for i in 0..d.atomics.len {
-		if stdatomic.load_u64(&d.atomics[i]) == build_done {
-			stdatomic.store_u64(&d.atomics[i], build_empty)
+	for i in 0 .. d.atomics.len {
+		if stdatomic.load_u64(&d.atomics[i]) == daemon.build_done {
+			stdatomic.store_u64(&d.atomics[i], daemon.build_empty)
 			sb := d.builds[i]
 
 			d.schedule_build(sb.repo_id, sb.repo) ?
@@ -29,7 +31,8 @@ fn (mut d Daemon) update_builds() ? {
 			sb := d.queue.pop() ?
 
 			// If this build couldn't be scheduled, no more will be possible.
-			if !d.start_build(sb)? {
+			// TODO a build that couldn't be scheduled should be re-added to the queue.
+			if !d.start_build(sb) {
 				break
 			}
 		} else {
@@ -39,10 +42,10 @@ fn (mut d Daemon) update_builds() ? {
 }
 
 // start_build starts a build for the given ScheduledBuild object.
-fn (mut d Daemon) start_build(sb ScheduledBuild) ?bool {
-	for i in 0..d.atomics.len {
-		if stdatomic.load_u64(&d.atomics[i]) == build_empty {
-			stdatomic.store_u64(&d.atomics[i], build_running)
+fn (mut d Daemon) start_build(sb ScheduledBuild) bool {
+	for i in 0 .. d.atomics.len {
+		if stdatomic.load_u64(&d.atomics[i]) == daemon.build_empty {
+			stdatomic.store_u64(&d.atomics[i], daemon.build_running)
 			d.builds[i] = sb
 
 			go d.run_build(i, sb)
@@ -56,8 +59,8 @@ fn (mut d Daemon) start_build(sb ScheduledBuild) ?bool {
 
 // run_build actually starts the build process for a given repo.
 fn (mut d Daemon) run_build(build_index int, sb ScheduledBuild) ? {
+	d.linfo('build $sb.repo.url')
 	time.sleep(10 * time.second)
 
-	stdatomic.store_u64(&d.atomics[build_index], build_done)
+	stdatomic.store_u64(&d.atomics[build_index], daemon.build_done)
 }
-
diff --git a/src/cron/daemon/daemon.v b/src/cron/daemon/daemon.v
index 816bc15..7253e94 100644
--- a/src/cron/daemon/daemon.v
+++ b/src/cron/daemon/daemon.v
@@ -5,6 +5,8 @@ import time
 import log
 import datatypes { MinHeap }
 import cron.expression { CronExpression, parse_expression }
+import math
+import arrays
 
 struct ScheduledBuild {
 pub:
@@ -62,23 +64,47 @@ pub fn init_daemon(logger log.Log, address string, api_key string, base_image st
 // periodically refreshes the list of repositories to ensure we stay in sync.
 pub fn (mut d Daemon) run() ? {
 	for {
-		println('1')
+		// Update the API's contents if needed & renew the queue
+		if time.now() >= d.api_update_timestamp {
+			d.renew_repos() ?
+			d.renew_queue() ?
+		}
+
 		// Cleans up finished builds, opening up spots for new builds
 		d.reschedule_builds() ?
-		println('2')
+
+		// TODO rebuild builder image when needed
+
 		// Schedules new builds when possible
 		d.update_builds() ?
 
-		println(d.queue)
-		println(d.atomics)
+		// Sleep either until we have to refresh the repos or when the next
+		// build has to start, with a minimum of 1 second.
+		now := time.now()
 
-		time.sleep(10 * time.second)
+		mut delay := d.api_update_timestamp - now
+
+		if d.queue.len() > 0 {
+			time_until_next_job := d.queue.peek() ?.timestamp - now
+
+			delay = math.min(delay, time_until_next_job)
+		}
+
+		d.ldebug('Sleeping for ${delay}...')
+
+		// TODO if there are builds active, the sleep time should be much lower to clean up the builds when they're finished.
+
+		// We sleep for at least one second. This is to prevent the program
+		// from looping agressively when a cronjob can be scheduled, but
+		// there's no spots free for it to be started.
+		time.sleep(math.max(delay, 1 * time.second))
 	}
 }
 
 // schedule_build adds the next occurence of the given repo build to the queue.
 fn (mut d Daemon) schedule_build(repo_id string, repo git.GitRepo) ? {
 	ce := parse_expression(repo.schedule) or {
+		// TODO This shouldn't return an error if the expression is empty.
 		d.lerror("Error while parsing cron expression '$repo.schedule' ($repo_id): $err.msg()")
 
 		d.global_schedule
@@ -94,6 +120,7 @@ fn (mut d Daemon) schedule_build(repo_id string, repo git.GitRepo) ? {
 }
 
 fn (mut d Daemon) renew_repos() ? {
+	d.ldebug('Renewing repos...')
 	mut new_repos := git.get_repos(d.address, d.api_key) ?
 
 	d.repos_map = new_repos.move()
@@ -104,6 +131,7 @@ fn (mut d Daemon) renew_repos() ? {
 // renew_queue replaces the old queue with a new one that reflects the newest
 // values in repos_map.
 fn (mut d Daemon) renew_queue() ? {
+	d.ldebug('Renewing queue...')
 	mut new_queue := MinHeap<ScheduledBuild>{}
 
 	// Move any jobs that should have already started from the old queue onto