Solved the "removing old packages" problem (I think)
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pull/120/head
Jef Roosens 2022-04-09 21:08:54 +02:00
parent cec5ecce7f
commit a65207f961
Signed by: Jef Roosens
GPG Key ID: B75D4F293C7052DB
3 changed files with 60 additions and 43 deletions

View File

@ -14,9 +14,9 @@ pub:
repos_dir string [required] repos_dir string [required]
// Where packages are stored; each repository gets its own subdirectory // Where packages are stored; each repository gets its own subdirectory
pkg_dir string [required] pkg_dir string [required]
// The default architecture to use for a repository. In reality, this value // The default architecture to use for a repository. Whenever a package of
// is only required when a package with architecture "any" is added as the // arch "any" is added to a repo, it will also be added to this
// first package of a repository. // architecture.
default_arch string [required] default_arch string [required]
} }
@ -45,8 +45,8 @@ pub fn new(repos_dir string, pkg_dir string, default_arch string) ?RepoGroupMana
// add_pkg_from_path adds a package to a given repo, given the file path to the // add_pkg_from_path adds a package to a given repo, given the file path to the
// pkg archive. It's a wrapper around add_pkg_in_repo that parses the archive // pkg archive. It's a wrapper around add_pkg_in_repo that parses the archive
// file, passes the result to add_pkg_in_repo, and moves the archive to // file, passes the result to add_pkg_in_repo, and hard links the archive to
// r.pkg_dir if it was successfully added. // the right subdirectories in r.pkg_dir if it was successfully added.
pub fn (r &RepoGroupManager) add_pkg_from_path(repo string, pkg_path string) ?RepoAddResult { pub fn (r &RepoGroupManager) add_pkg_from_path(repo string, pkg_path string) ?RepoAddResult {
pkg := package.read_pkg_archive(pkg_path) or { pkg := package.read_pkg_archive(pkg_path) or {
return error('Failed to read package file: $err.msg') return error('Failed to read package file: $err.msg')
@ -55,19 +55,22 @@ pub fn (r &RepoGroupManager) add_pkg_from_path(repo string, pkg_path string) ?Re
added := r.add_pkg_in_repo(repo, pkg) ? added := r.add_pkg_in_repo(repo, pkg) ?
// If the add was successful, we move the file to the packages directory // If the add was successful, we move the file to the packages directory
if added { for arch in added {
repo_pkg_path := os.real_path(os.join_path_single(r.pkg_dir, repo)) repo_pkg_path := os.real_path(os.join_path(r.pkg_dir, repo, arch))
dest_path := os.join_path_single(repo_pkg_path, pkg.filename()) dest_path := os.join_path_single(repo_pkg_path, pkg.filename())
// Only move the file if it's not already in the package directory
if dest_path != os.real_path(pkg_path) {
os.mkdir_all(repo_pkg_path) ? os.mkdir_all(repo_pkg_path) ?
os.mv(pkg_path, dest_path) ?
} // We create hard links so that "any" arch packages aren't stored
// multiple times
os.link(pkg_path, dest_path) ?
} }
// After linking, we can remove the original file
os.rm(pkg_path) ?
return RepoAddResult{ return RepoAddResult{
added: added added: added.len > 0
pkg: &pkg pkg: &pkg
} }
} }
@ -75,26 +78,32 @@ pub fn (r &RepoGroupManager) add_pkg_from_path(repo string, pkg_path string) ?Re
// add_pkg_in_repo adds a package to a given repo. This function is responsible // add_pkg_in_repo adds a package to a given repo. This function is responsible
// for inspecting the package architecture. If said architecture is 'any', the // for inspecting the package architecture. If said architecture is 'any', the
// package is added to each arch-repository within the given repo. A package of // package is added to each arch-repository within the given repo. A package of
// architecture 'any' will always be added to the arch-repo defined by // architecture 'any' is always added to the arch-repo defined by
// r.default_arch. If this arch-repo doesn't exist yet, it will be created. If // r.default_arch. If this arch-repo doesn't exist yet, it is created. If the
// the architecture isn't 'any', the package is only added to the specific // architecture isn't 'any', the package is only added to the specific
// architecture. // architecture.
fn (r &RepoGroupManager) add_pkg_in_repo(repo string, pkg &package.Pkg) ?bool { fn (r &RepoGroupManager) add_pkg_in_repo(repo string, pkg &package.Pkg) ?[]string {
// A package without arch 'any' can be handled without any further checks // A package not of arch 'any' can be handled easily by adding it to the
// respective repo
if pkg.info.arch != 'any' { if pkg.info.arch != 'any' {
return r.add_pkg_in_arch_repo(repo, pkg.info.arch, pkg) if r.add_pkg_in_arch_repo(repo, pkg.info.arch, pkg) ? {
return [pkg.info.arch]
} else {
return []
}
} }
repo_dir := os.join_path_single(r.repos_dir, repo)
mut arch_repos := []string{} mut arch_repos := []string{}
// If it is an "any" package, the package gets added to every currently
// present arch-repo. It will always get added to the r.default_arch repo,
// even if no or multiple others are present.
repo_dir := os.join_path_single(r.repos_dir, repo)
// If this is the first package that's added to the repo, the directory // If this is the first package that's added to the repo, the directory
// won't exist yet // won't exist yet
if os.exists(repo_dir) { if os.exists(repo_dir) {
// We get a listing of all currently present arch-repos in the given repo arch_repos = os.ls(repo_dir) ?
arch_repos = os.ls(repo_dir) ?.filter(os.is_dir(os.join_path_single(repo_dir,
it)))
} }
// The default_arch should always be updated when a package with arch 'any' // The default_arch should always be updated when a package with arch 'any'
@ -103,12 +112,14 @@ fn (r &RepoGroupManager) add_pkg_in_repo(repo string, pkg &package.Pkg) ?bool {
arch_repos << r.default_arch arch_repos << r.default_arch
} }
mut added := false mut added := []string{}
// We add the package to each repository. If any of the repositories // We add the package to each repository. If any of the repositories
// return true, the result of the function is also true. // return true, the result of the function is also true.
for arch in arch_repos { for arch in arch_repos {
added = added || r.add_pkg_in_arch_repo(repo, arch, pkg) ? if r.add_pkg_in_arch_repo(repo, arch, pkg) ? {
added << arch
}
} }
return added return added
@ -122,13 +133,8 @@ fn (r &RepoGroupManager) add_pkg_in_repo(repo string, pkg &package.Pkg) ?bool {
fn (r &RepoGroupManager) add_pkg_in_arch_repo(repo string, arch string, pkg &package.Pkg) ?bool { fn (r &RepoGroupManager) add_pkg_in_arch_repo(repo string, arch string, pkg &package.Pkg) ?bool {
pkg_dir := os.join_path(r.repos_dir, repo, arch, '$pkg.info.name-$pkg.info.version') pkg_dir := os.join_path(r.repos_dir, repo, arch, '$pkg.info.name-$pkg.info.version')
// We can't add the same package twice // Remove the previous version of the package, if present
if os.exists(pkg_dir) { r.remove_pkg_from_arch_repo(repo, arch, pkg.info.name, false) ?
return false
}
// We remove the older package version first, if present
r.remove_pkg_from_arch_repo(repo, arch, pkg, false) ?
os.mkdir_all(pkg_dir) or { return error('Failed to create package directory.') } os.mkdir_all(pkg_dir) or { return error('Failed to create package directory.') }
@ -151,7 +157,7 @@ fn (r &RepoGroupManager) add_pkg_in_arch_repo(repo string, arch string, pkg &pac
// remove_pkg_from_arch_repo removes a package from an arch-repo's database. It // remove_pkg_from_arch_repo removes a package from an arch-repo's database. It
// returns false if the package wasn't present in the database. It also // returns false if the package wasn't present in the database. It also
// optionally re-syncs the repo archives. // optionally re-syncs the repo archives.
fn (r &RepoGroupManager) remove_pkg_from_arch_repo(repo string, arch string, pkg &package.Pkg, sync bool) ?bool { fn (r &RepoGroupManager) remove_pkg_from_arch_repo(repo string, arch string, pkg_name string, sync bool) ?bool {
repo_dir := os.join_path(r.repos_dir, repo, arch) repo_dir := os.join_path(r.repos_dir, repo, arch)
// If the repository doesn't exist yet, the result is automatically false // If the repository doesn't exist yet, the result is automatically false
@ -167,13 +173,24 @@ fn (r &RepoGroupManager) remove_pkg_from_arch_repo(repo string, arch string, pkg
// not the version. // not the version.
name := d.split('-')#[..-2].join('-') name := d.split('-')#[..-2].join('-')
if name == pkg.info.name { if name == pkg_name {
// We lock the mutex here to prevent other routines from creating a // We lock the mutex here to prevent other routines from creating a
// new archive while we remove an entry // new archive while we remove an entry
lock r.mutex { lock r.mutex {
os.rmdir_all(os.join_path_single(repo_dir, d)) ? os.rmdir_all(os.join_path_single(repo_dir, d)) ?
} }
// Also remove the package archive
repo_pkg_dir := os.join_path(r.pkg_dir, repo, arch)
archives := os.ls(repo_pkg_dir) ?.filter(it.split('-')#[..-3].join('-') == name)
for archive_name in archives {
full_path := os.join_path_single(repo_pkg_dir, archive_name)
os.rm(full_path) ?
}
// Sync the db archives if requested
if sync { if sync {
r.sync(repo, arch) ? r.sync(repo, arch) ?
} }

View File

@ -33,12 +33,12 @@ fn (mut app App) get_repo_file(repo string, arch string, filename string) web.Re
full_path += '.tar.gz' full_path += '.tar.gz'
} }
} else if filename.contains('.pkg') { } else if filename.contains('.pkg') {
full_path = os.join_path(app.repo.pkg_dir, repo, filename) full_path = os.join_path(app.repo.pkg_dir, repo, arch, filename)
}
// Default behavior is to return the desc file for the package, if present. // Default behavior is to return the desc file for the package, if present.
// This can then also be used by the build system to properly check whether // This can then also be used by the build system to properly check whether
// a package is present in an arch-repo. // a package is present in an arch-repo.
} else { else {
full_path = os.join_path(app.repo.repos_dir, repo, arch, filename, 'desc') full_path = os.join_path(app.repo.repos_dir, repo, arch, filename, 'desc')
} }

View File

@ -38,7 +38,7 @@ def create_random_pkginfo(words, name_min_len, name_max_len):
Generates a random .PKGINFO Generates a random .PKGINFO
""" """
name = "-".join(random_words(words, name_min_len, name_max_len)) name = "-".join(random_words(words, name_min_len, name_max_len))
ver = "0.1.0-1" # doesn't matter what it is anyways ver = "0.1.0-3" # doesn't matter what it is anyways
# TODO add random dependencies (all types) # TODO add random dependencies (all types)
@ -46,7 +46,7 @@ def create_random_pkginfo(words, name_min_len, name_max_len):
"pkgname": name, "pkgname": name,
"pkgbase": name, "pkgbase": name,
"pkgver": ver, "pkgver": ver,
"arch": "any" "arch": "x86_64"
} }
return "\n".join(f"{key} = {value}" for key, value in data.items()) return "\n".join(f"{key} = {value}" for key, value in data.items())