vieter/src/repo.v

95 lines
2.4 KiB
Coq
Raw Normal View History

2022-01-09 22:30:07 +01:00
module repo
import os
2022-01-19 18:54:33 +01:00
import package
2022-01-09 22:30:07 +01:00
2022-01-19 18:54:33 +01:00
// subpath where the uncompressed version of the files archive is stored
const files_subpath = 'files'
// subpath where the uncompressed version of the repo archive is stored
const repo_subpath = 'repo'
// Dummy struct to work around the fact that you can only share structs, maps &
// arrays
pub struct Dummy {
x int
}
2022-01-13 21:47:14 +01:00
// This struct manages a single repository.
2022-01-11 14:40:25 +01:00
pub struct Repo {
2022-01-11 16:37:49 +01:00
mut:
mutex shared Dummy
pub:
2022-01-13 21:47:14 +01:00
// Where to store repository files; should exist
repo_dir string [required]
// Where to find packages; packages are expected to all be in the same directory
pkg_dir string [required]
}
2022-01-19 21:24:46 +01:00
// new creates a new Repo & creates the directories as needed
2022-01-19 18:54:33 +01:00
pub fn new(repo_dir string, pkg_dir string) ?Repo {
if !os.is_dir(repo_dir) {
os.mkdir_all(repo_dir) or { return error('Failed to create repo directory.') }
}
2022-01-13 21:47:14 +01:00
2022-01-19 18:54:33 +01:00
if !os.is_dir(pkg_dir) {
os.mkdir_all(pkg_dir) or { return error('Failed to create package directory.') }
}
2022-01-13 21:47:14 +01:00
2022-01-19 18:54:33 +01:00
return Repo{
repo_dir: repo_dir
pkg_dir: pkg_dir
}
}
2022-01-19 18:54:33 +01:00
// add_from_path adds a package from an arbitrary path & moves it into the pkgs
// directory if necessary.
pub fn (r &Repo) add_from_path(pkg_path string) ?bool {
pkg := package.read_pkg(pkg_path) or { return error('Failed to read package file.') }
2022-01-19 18:54:33 +01:00
added := r.add(pkg) ?
// If the add was successful, we move the file to the packages directory
if added {
dest_path := os.real_path(os.join_path_single(r.pkg_dir, pkg.filename()))
2022-01-19 18:54:33 +01:00
// Only move the file if it's not already in the package directory
if dest_path != os.real_path(pkg_path) {
os.mv(pkg_path, dest_path) ?
}
}
return true
2022-01-11 14:40:25 +01:00
}
2022-01-19 18:54:33 +01:00
// add adds a given Pkg to the repository
fn (r &Repo) add(pkg &package.Pkg) ?bool {
pkg_dir := r.pkg_path(pkg)
2022-01-19 18:54:33 +01:00
// We can't add the same package twice
if os.exists(pkg_dir) {
return false
}
2022-01-09 22:30:07 +01:00
2022-01-19 18:54:33 +01:00
os.mkdir(pkg_dir) or { return error('Failed to create package directory.') }
os.write_file(os.join_path_single(pkg_dir, 'desc'), pkg.to_desc()) or {
os.rmdir_all(pkg_dir) ?
return error('Failed to write desc file.')
2022-01-09 22:30:07 +01:00
}
2022-01-19 18:54:33 +01:00
os.write_file(os.join_path_single(pkg_dir, 'files'), pkg.to_files()) or {
os.rmdir_all(pkg_dir) ?
return error('Failed to write files file.')
}
// TODO generate database archive
return true
}
// Returns the path where the given package's desc & files files are stored
fn (r &Repo) pkg_path(pkg &package.Pkg) string {
return os.join_path(r.repo_dir, '$pkg.info.name-$pkg.info.version')
2022-01-09 22:30:07 +01:00
}