mirror of
https://github.com/Jguer/yay
synced 2024-07-21 02:05:32 +00:00
373 lines
9.4 KiB
Go
373 lines
9.4 KiB
Go
package main
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import (
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"fmt"
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"io"
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"net/http"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"sync"
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alpm "github.com/Jguer/go-alpm"
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"github.com/Jguer/yay/v9/pkg/types"
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)
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const gitDiffRefName = "AUR_SEEN"
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// Decide what download method to use:
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// Use the config option when the destination does not already exits
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// If .git exists in the destination use git
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// Otherwise use a tarrball
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func shouldUseGit(path string) bool {
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_, err := os.Stat(path)
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if os.IsNotExist(err) {
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return config.GitClone
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}
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_, err = os.Stat(filepath.Join(path, ".git"))
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return err == nil || os.IsExist(err)
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}
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func downloadFile(path string, url string) (err error) {
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// Create the file
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out, err := os.Create(path)
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if err != nil {
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return err
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}
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defer out.Close()
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// Get the data
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resp, err := http.Get(url)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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// Writer the body to file
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_, err = io.Copy(out, resp.Body)
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return err
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}
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// Update the YAY_DIFF_REVIEW ref to HEAD. We use this ref to determine which diff were
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// reviewed by the user
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func gitUpdateSeenRef(path string, name string) error {
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_, stderr, err := capture(passToGit(filepath.Join(path, name), "update-ref", gitDiffRefName, "HEAD"))
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if err != nil {
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return fmt.Errorf("%s%s", stderr, err)
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}
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return nil
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}
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// Return wether or not we have reviewed a diff yet. It checks for the existence of
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// YAY_DIFF_REVIEW in the git ref-list
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func gitHasLastSeenRef(path string, name string) bool {
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_, _, err := capture(passToGit(filepath.Join(path, name), "rev-parse", "--quiet", "--verify", gitDiffRefName))
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return err == nil
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}
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// Returns the last reviewed hash. If YAY_DIFF_REVIEW exists it will return this hash.
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// If it does not it will return empty tree as no diff have been reviewed yet.
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func getLastSeenHash(path string, name string) (string, error) {
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if gitHasLastSeenRef(path, name) {
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stdout, stderr, err := capture(passToGit(filepath.Join(path, name), "rev-parse", gitDiffRefName))
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if err != nil {
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return "", fmt.Errorf("%s%s", stderr, err)
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}
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lines := strings.Split(stdout, "\n")
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return lines[0], nil
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}
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return gitEmptyTree, nil
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}
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// Check whether or not a diff exists between the last reviewed diff and
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// HEAD@{upstream}
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func gitHasDiff(path string, name string) (bool, error) {
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if gitHasLastSeenRef(path, name) {
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stdout, stderr, err := capture(passToGit(filepath.Join(path, name), "rev-parse", gitDiffRefName, "HEAD@{upstream}"))
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if err != nil {
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return false, fmt.Errorf("%s%s", stderr, err)
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}
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lines := strings.Split(stdout, "\n")
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lastseen := lines[0]
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upstream := lines[1]
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return lastseen != upstream, nil
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}
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// If YAY_DIFF_REVIEW does not exists, we have never reviewed a diff for this package
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// and should display it.
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return true, nil
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}
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// TODO: yay-next passes args through the header, use that to unify ABS and AUR
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func gitDownloadABS(url string, path string, name string) (bool, error) {
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_, err := os.Stat(filepath.Join(path, name))
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if os.IsNotExist(err) {
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cmd := passToGit(path, "clone", "--no-progress", "--single-branch",
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"-b", "packages/"+name, url, name)
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cmd.Env = append(os.Environ(), "GIT_TERMINAL_PROMPT=0")
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_, stderr, err := capture(cmd)
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if err != nil {
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return false, fmt.Errorf("error cloning %s: %s", name, stderr)
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}
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return true, nil
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} else if err != nil {
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return false, fmt.Errorf("error reading %s", filepath.Join(path, name, ".git"))
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}
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cmd := passToGit(filepath.Join(path, name), "fetch")
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cmd.Env = append(os.Environ(), "GIT_TERMINAL_PROMPT=0")
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_, stderr, err := capture(cmd)
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if err != nil {
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return false, fmt.Errorf("error fetching %s: %s", name, stderr)
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}
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return true, nil
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}
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func gitDownload(url string, path string, name string) (bool, error) {
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_, err := os.Stat(filepath.Join(path, name, ".git"))
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if os.IsNotExist(err) {
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cmd := passToGit(path, "clone", "--no-progress", url, name)
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cmd.Env = append(os.Environ(), "GIT_TERMINAL_PROMPT=0")
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_, stderr, err := capture(cmd)
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if err != nil {
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return false, fmt.Errorf("error cloning %s: %s", name, stderr)
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}
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return true, nil
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} else if err != nil {
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return false, fmt.Errorf("error reading %s", filepath.Join(path, name, ".git"))
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}
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cmd := passToGit(filepath.Join(path, name), "fetch")
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cmd.Env = append(os.Environ(), "GIT_TERMINAL_PROMPT=0")
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_, stderr, err := capture(cmd)
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if err != nil {
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return false, fmt.Errorf("error fetching %s: %s", name, stderr)
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}
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return false, nil
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}
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func gitMerge(path string, name string) error {
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_, stderr, err := capture(passToGit(filepath.Join(path, name), "reset", "--hard", "HEAD"))
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if err != nil {
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return fmt.Errorf("error resetting %s: %s", name, stderr)
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}
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_, stderr, err = capture(passToGit(filepath.Join(path, name), "merge", "--no-edit", "--ff"))
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if err != nil {
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return fmt.Errorf("error merging %s: %s", name, stderr)
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}
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return nil
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}
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// DownloadAndUnpack downloads url tgz and extracts to path.
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func downloadAndUnpack(url string, path string) error {
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err := os.MkdirAll(path, 0755)
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if err != nil {
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return err
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}
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fileName := filepath.Base(url)
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tarLocation := filepath.Join(path, fileName)
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defer os.Remove(tarLocation)
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err = downloadFile(tarLocation, url)
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if err != nil {
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return err
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}
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_, stderr, err := capture(exec.Command(config.TarBin, "-xf", tarLocation, "-C", path))
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if err != nil {
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return fmt.Errorf("%s", stderr)
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}
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return nil
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}
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func getPkgbuilds(pkgs []string) error {
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missing := false
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wd, err := os.Getwd()
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if err != nil {
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return err
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}
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pkgs = removeInvalidTargets(pkgs)
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aur, repo, err := packageSlices(pkgs)
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if err != nil {
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return err
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}
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for n := range aur {
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_, pkg := splitDBFromName(aur[n])
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aur[n] = pkg
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}
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info, err := aurInfoPrint(aur)
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if err != nil {
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return err
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}
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if len(repo) > 0 {
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missing, err = getPkgbuildsfromABS(repo, wd)
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if err != nil {
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return err
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}
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}
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if len(aur) > 0 {
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allBases := getBases(info)
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bases := make([]Base, 0)
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for _, base := range allBases {
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name := base.Pkgbase()
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_, err = os.Stat(filepath.Join(wd, name))
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switch {
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case err != nil && !os.IsNotExist(err):
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fmt.Fprintln(os.Stderr, bold(red(smallArrow)), err)
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continue
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case os.IsNotExist(err), cmdArgs.existsArg("f", "force"), shouldUseGit(filepath.Join(wd, name)):
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if err = os.RemoveAll(filepath.Join(wd, name)); err != nil {
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fmt.Fprintln(os.Stderr, bold(red(smallArrow)), err)
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continue
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}
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default:
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fmt.Printf("%s %s %s\n", yellow(smallArrow), cyan(name), "already downloaded -- use -f to overwrite")
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continue
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}
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bases = append(bases, base)
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}
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if _, err = downloadPkgbuilds(bases, nil, wd); err != nil {
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return err
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}
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missing = missing || len(aur) != len(info)
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}
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if missing {
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err = fmt.Errorf("")
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}
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return err
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}
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// GetPkgbuild downloads pkgbuild from the ABS.
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func getPkgbuildsfromABS(pkgs []string, path string) (bool, error) {
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var wg sync.WaitGroup
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var mux sync.Mutex
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var errs types.MultiError
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names := make(map[string]string)
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missing := make([]string, 0)
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downloaded := 0
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dbList, err := alpmHandle.SyncDBs()
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if err != nil {
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return false, err
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}
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for _, pkgN := range pkgs {
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var pkg *alpm.Package
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var err error
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var url string
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pkgDB, name := splitDBFromName(pkgN)
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if pkgDB != "" {
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if db, err := alpmHandle.SyncDBByName(pkgDB); err == nil {
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pkg = db.Pkg(name)
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}
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} else {
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_ = dbList.ForEach(func(db alpm.DB) error {
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if pkg = db.Pkg(name); pkg != nil {
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return fmt.Errorf("")
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}
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return nil
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})
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}
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if pkg == nil {
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missing = append(missing, name)
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continue
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}
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name = pkg.Base()
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if name == "" {
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name = pkg.Name()
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}
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// TODO: Check existence with ls-remote
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// https://git.archlinux.org/svntogit/packages.git
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switch pkg.DB().Name() {
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case "core", "extra", "testing":
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url = "https://git.archlinux.org/svntogit/packages.git"
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case "community", "multilib", "community-testing", "multilib-testing":
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url = "https://git.archlinux.org/svntogit/community.git"
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default:
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missing = append(missing, name)
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continue
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}
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_, err = os.Stat(filepath.Join(path, name))
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switch {
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case err != nil && !os.IsNotExist(err):
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fmt.Fprintln(os.Stderr, bold(red(smallArrow)), err)
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continue
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case os.IsNotExist(err), cmdArgs.existsArg("f", "force"):
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if err = os.RemoveAll(filepath.Join(path, name)); err != nil {
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fmt.Fprintln(os.Stderr, bold(red(smallArrow)), err)
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continue
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}
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default:
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fmt.Printf("%s %s %s\n", yellow(smallArrow), cyan(name), "already downloaded -- use -f to overwrite")
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continue
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}
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names[name] = url
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}
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if len(missing) != 0 {
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fmt.Println(yellow(bold(smallArrow)), "Missing ABS packages: ", cyan(strings.Join(missing, " ")))
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}
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download := func(pkg string, url string) {
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defer wg.Done()
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if _, err := gitDownloadABS(url, config.BuildDir, pkg); err != nil {
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errs.Add(fmt.Errorf("%s Failed to get pkgbuild: %s: %s", bold(red(arrow)), bold(cyan(pkg)), bold(red(err.Error()))))
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return
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}
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_, stderr, err := capture(exec.Command("ln", "-s", filepath.Join(config.BuildDir, pkg, "trunk"), filepath.Join(path, pkg)))
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mux.Lock()
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downloaded++
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if err != nil {
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errs.Add(fmt.Errorf("%s Failed to link %s: %s", bold(red(arrow)), bold(cyan(pkg)), bold(red(stderr))))
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} else {
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fmt.Printf(bold(cyan("::"))+" Downloaded PKGBUILD from ABS (%d/%d): %s\n", downloaded, len(names), cyan(pkg))
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}
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mux.Unlock()
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}
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count := 0
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for name, url := range names {
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wg.Add(1)
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go download(name, url)
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count++
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if count%25 == 0 {
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wg.Wait()
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}
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}
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wg.Wait()
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errs.Add(os.RemoveAll(filepath.Join(config.BuildDir, "packages")))
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return len(missing) != 0, errs.Return()
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}
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