mirror of
https://github.com/Jguer/yay
synced 2024-07-21 10:16:10 +00:00
93 lines
2.5 KiB
Go
93 lines
2.5 KiB
Go
package download
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import (
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"context"
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"errors"
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"fmt"
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"io"
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"net/http"
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"regexp"
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"github.com/leonelquinteros/gotext"
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"github.com/Jguer/yay/v12/pkg/settings/exe"
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)
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const (
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MaxConcurrentFetch = 20
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absPackageURL = "https://gitlab.archlinux.org/archlinux/packaging/packages"
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)
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var (
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ErrInvalidRepository = errors.New(gotext.Get("invalid repository"))
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ErrABSPackageNotFound = errors.New(gotext.Get("package not found in repos"))
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)
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type regexReplace struct {
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repl string
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match *regexp.Regexp
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}
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// regex replacements for Gitlab URLs
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// info: https://gitlab.archlinux.org/archlinux/devtools/-/blob/6ce666a1669235749c17d5c44d8a24dea4a135da/src/lib/api/gitlab.sh#L84
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var gitlabRepl = []regexReplace{
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{repl: `$1-$2`, match: regexp.MustCompile(`([a-zA-Z0-9]+)\+([a-zA-Z]+)`)},
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{repl: `plus`, match: regexp.MustCompile(`\+`)},
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{repl: `-`, match: regexp.MustCompile(`[^a-zA-Z0-9_\-.]`)},
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{repl: `-`, match: regexp.MustCompile(`[_\-]{2,}`)},
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{repl: `unix-tree`, match: regexp.MustCompile(`^tree$`)},
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}
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// Return format for pkgbuild
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// https://gitlab.archlinux.org/archlinux/packaging/packages/0ad/-/raw/main/PKGBUILD
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func getPackagePKGBUILDURL(pkgName string) string {
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return fmt.Sprintf("%s/%s/-/raw/main/PKGBUILD", absPackageURL, convertPkgNameForURL(pkgName))
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}
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// Return format for pkgbuild repo
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// https://gitlab.archlinux.org/archlinux/packaging/packages/0ad.git
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func getPackageRepoURL(pkgName string) string {
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return fmt.Sprintf("%s/%s.git", absPackageURL, convertPkgNameForURL(pkgName))
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}
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// convert pkgName for Gitlab URL path (repo name)
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func convertPkgNameForURL(pkgName string) string {
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for _, regex := range gitlabRepl {
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pkgName = regex.match.ReplaceAllString(pkgName, regex.repl)
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}
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return pkgName
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}
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// ABSPKGBUILD retrieves the PKGBUILD file to a dest directory.
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func ABSPKGBUILD(httpClient httpRequestDoer, dbName, pkgName string) ([]byte, error) {
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packageURL := getPackagePKGBUILDURL(pkgName)
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resp, err := httpClient.Get(packageURL)
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if err != nil {
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return nil, err
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}
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if resp.StatusCode != http.StatusOK {
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return nil, ErrABSPackageNotFound
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}
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defer resp.Body.Close()
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pkgBuild, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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return pkgBuild, nil
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}
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// ABSPKGBUILDRepo retrieves the PKGBUILD repository to a dest directory.
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func ABSPKGBUILDRepo(ctx context.Context, cmdBuilder exe.GitCmdBuilder,
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dbName, pkgName, dest string, force bool,
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) (bool, error) {
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pkgURL := getPackageRepoURL(pkgName)
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return downloadGitRepo(ctx, cmdBuilder, pkgURL,
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pkgName, dest, force, "--single-branch")
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}
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