170 lines
6.5 KiB
Go
170 lines
6.5 KiB
Go
package commands
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import (
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"fmt"
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"os"
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"path"
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"path/filepath"
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"strings"
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"github.com/git-lfs/git-lfs/subprocess"
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"github.com/git-lfs/git-lfs/git"
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"github.com/git-lfs/git-lfs/tools"
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"github.com/spf13/cobra"
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)
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var (
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cloneFlags git.CloneFlags
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cloneSkipRepoInstall bool
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)
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func cloneCommand(cmd *cobra.Command, args []string) {
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requireGitVersion()
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if git.IsGitVersionAtLeast("2.15.0") {
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msg := []string{
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"WARNING: 'git lfs clone' is deprecated and will not be updated",
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" with new flags from 'git clone'",
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"",
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"'git clone' has been updated in upstream Git to have comparable",
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"speeds to 'git lfs clone'.",
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}
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fmt.Fprintln(os.Stderr, strings.Join(msg, "\n"))
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}
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// We pass all args to git clone
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err := git.CloneWithoutFilters(cloneFlags, args)
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if err != nil {
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Exit("Error(s) during clone:\n%v", err)
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}
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// now execute pull (need to be inside dir)
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cwd, err := tools.Getwd()
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if err != nil {
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Exit("Unable to derive current working dir: %v", err)
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}
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// Either the last argument was a relative or local dir, or we have to
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// derive it from the clone URL
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clonedir, err := filepath.Abs(args[len(args)-1])
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if err != nil || !tools.DirExists(clonedir) {
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// Derive from clone URL instead
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base := path.Base(args[len(args)-1])
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if strings.HasSuffix(base, ".git") {
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base = base[:len(base)-4]
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}
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clonedir, _ = filepath.Abs(base)
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if !tools.DirExists(clonedir) {
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Exit("Unable to find clone dir at %q", clonedir)
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}
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}
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err = os.Chdir(clonedir)
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if err != nil {
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Exit("Unable to change directory to clone dir %q: %v", clonedir, err)
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}
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// Make sure we pop back to dir we started in at the end
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defer os.Chdir(cwd)
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requireInRepo()
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// Support --origin option to clone
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if len(cloneFlags.Origin) > 0 {
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cfg.SetRemote(cloneFlags.Origin)
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}
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if ref, err := git.CurrentRef(); err == nil {
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includeArg, excludeArg := getIncludeExcludeArgs(cmd)
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filter := buildFilepathFilter(cfg, includeArg, excludeArg)
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if cloneFlags.NoCheckout || cloneFlags.Bare {
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// If --no-checkout or --bare then we shouldn't check out, just fetch instead
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fetchRef(ref.Name, filter)
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} else {
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pull(filter)
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err := postCloneSubmodules(args)
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if err != nil {
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Exit("Error performing 'git lfs pull' for submodules: %v", err)
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}
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}
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}
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if !cloneSkipRepoInstall {
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// If --skip-repo wasn't given, install repo-level hooks while
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// we're still in the checkout directory.
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if err := installHooks(false); err != nil {
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ExitWithError(err)
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}
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}
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}
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func postCloneSubmodules(args []string) error {
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// In git 2.9+ the filter option will have been passed through to submodules
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// So we need to lfs pull inside each
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if !git.IsGitVersionAtLeast("2.9.0") {
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// In earlier versions submodules would have used smudge filter
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return nil
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}
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// Also we only do this if --recursive or --recurse-submodules was provided
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if !cloneFlags.Recursive && !cloneFlags.RecurseSubmodules {
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return nil
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}
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// Use `git submodule foreach --recursive` to cascade into nested submodules
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// Also good to call a new instance of git-lfs rather than do things
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// inside this instance, since that way we get a clean env in that subrepo
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cmd := subprocess.ExecCommand("git", "submodule", "foreach", "--recursive",
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"git lfs pull")
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cmd.Stderr = os.Stderr
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cmd.Stdin = os.Stdin
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cmd.Stdout = os.Stdout
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return cmd.Run()
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}
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func init() {
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RegisterCommand("clone", cloneCommand, func(cmd *cobra.Command) {
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cmd.PreRun = nil
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// Mirror all git clone flags
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cmd.Flags().StringVarP(&cloneFlags.TemplateDirectory, "template", "", "", "See 'git clone --help'")
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cmd.Flags().BoolVarP(&cloneFlags.Local, "local", "l", false, "See 'git clone --help'")
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cmd.Flags().BoolVarP(&cloneFlags.Shared, "shared", "s", false, "See 'git clone --help'")
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cmd.Flags().BoolVarP(&cloneFlags.NoHardlinks, "no-hardlinks", "", false, "See 'git clone --help'")
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cmd.Flags().BoolVarP(&cloneFlags.Quiet, "quiet", "q", false, "See 'git clone --help'")
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cmd.Flags().BoolVarP(&cloneFlags.NoCheckout, "no-checkout", "n", false, "See 'git clone --help'")
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cmd.Flags().BoolVarP(&cloneFlags.Progress, "progress", "", false, "See 'git clone --help'")
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cmd.Flags().BoolVarP(&cloneFlags.Bare, "bare", "", false, "See 'git clone --help'")
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cmd.Flags().BoolVarP(&cloneFlags.Mirror, "mirror", "", false, "See 'git clone --help'")
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cmd.Flags().StringVarP(&cloneFlags.Origin, "origin", "o", "", "See 'git clone --help'")
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cmd.Flags().StringVarP(&cloneFlags.Branch, "branch", "b", "", "See 'git clone --help'")
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cmd.Flags().StringVarP(&cloneFlags.Upload, "upload-pack", "u", "", "See 'git clone --help'")
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cmd.Flags().StringVarP(&cloneFlags.Reference, "reference", "", "", "See 'git clone --help'")
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cmd.Flags().StringVarP(&cloneFlags.ReferenceIfAble, "reference-if-able", "", "", "See 'git clone --help'")
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cmd.Flags().BoolVarP(&cloneFlags.Dissociate, "dissociate", "", false, "See 'git clone --help'")
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cmd.Flags().StringVarP(&cloneFlags.SeparateGit, "separate-git-dir", "", "", "See 'git clone --help'")
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cmd.Flags().StringVarP(&cloneFlags.Depth, "depth", "", "", "See 'git clone --help'")
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cmd.Flags().BoolVarP(&cloneFlags.Recursive, "recursive", "", false, "See 'git clone --help'")
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cmd.Flags().BoolVarP(&cloneFlags.RecurseSubmodules, "recurse-submodules", "", false, "See 'git clone --help'")
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cmd.Flags().StringVarP(&cloneFlags.Config, "config", "c", "", "See 'git clone --help'")
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cmd.Flags().BoolVarP(&cloneFlags.SingleBranch, "single-branch", "", false, "See 'git clone --help'")
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cmd.Flags().BoolVarP(&cloneFlags.NoSingleBranch, "no-single-branch", "", false, "See 'git clone --help'")
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cmd.Flags().BoolVarP(&cloneFlags.Verbose, "verbose", "v", false, "See 'git clone --help'")
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cmd.Flags().BoolVarP(&cloneFlags.Ipv4, "ipv4", "", false, "See 'git clone --help'")
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cmd.Flags().BoolVarP(&cloneFlags.Ipv6, "ipv6", "", false, "See 'git clone --help'")
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cmd.Flags().StringVarP(&cloneFlags.ShallowSince, "shallow-since", "", "", "See 'git clone --help'")
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cmd.Flags().StringVarP(&cloneFlags.ShallowExclude, "shallow-exclude", "", "", "See 'git clone --help'")
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cmd.Flags().BoolVarP(&cloneFlags.ShallowSubmodules, "shallow-submodules", "", false, "See 'git clone --help'")
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cmd.Flags().BoolVarP(&cloneFlags.NoShallowSubmodules, "no-shallow-submodules", "", false, "See 'git clone --help'")
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cmd.Flags().Int64VarP(&cloneFlags.Jobs, "jobs", "j", -1, "See 'git clone --help'")
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cmd.Flags().StringVarP(&includeArg, "include", "I", "", "Include a list of paths")
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cmd.Flags().StringVarP(&excludeArg, "exclude", "X", "", "Exclude a list of paths")
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cmd.Flags().BoolVar(&cloneSkipRepoInstall, "skip-repo", false, "Skip LFS repo setup")
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})
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}
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