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Fix partial cloning a repo (#18373) (#18377)

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* Fix partial cloning a repo (#18373)

- Backport from: #18373
- Backport isn't 1-1, because the frontport had a refactor in that area,
which v1.16 doesn't have.

* Include diff & use copy

* Add partial clone test

* patch

* Apply suggestions from code review

* globalArgs first

* avoid copy but make GlobalCMDArgs append first

* please linter

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: 6543 <6543@obermui.de>
This commit is contained in:
Gusted 2022-01-23 21:46:09 +00:00 • committed by GitHub
parent 160de9fbda
commit 42991dc89a
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 33 additions and 9 deletions
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15
modules/git/diff.go
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@ -59,27 +59,28 @@ func GetRepoRawDiffForFile(repo *Repository, startCommit, endCommit string, diff
ctx, _, finished := process.GetManager().AddContext(repo.Ctx, fmt.Sprintf("GetRawDiffForFile: [repo_path: %s]", repo.Path))
defer finished()
var cmd *exec.Cmd
cmd := exec.CommandContext(ctx, GitExecutable, GlobalCommandArgs...)
switch diffType {
case RawDiffNormal:
if len(startCommit) != 0 {
cmd = exec.CommandContext(ctx, GitExecutable, append([]string{"diff", "-M", startCommit, endCommit}, fileArgs...)...)
cmd.Args = append(cmd.Args, append([]string{"diff", "-M", startCommit, endCommit}, fileArgs...)...)
} else if commit.ParentCount() == 0 {
cmd = exec.CommandContext(ctx, GitExecutable, append([]string{"show", endCommit}, fileArgs...)...)
cmd.Args = append(cmd.Args, append([]string{"show", endCommit}, fileArgs...)...)
} else {
c, _ := commit.Parent(0)
cmd = exec.CommandContext(ctx, GitExecutable, append([]string{"diff", "-M", c.ID.String(), endCommit}, fileArgs...)...)
cmd.Args = append(cmd.Args, append([]string{"diff", "-M", c.ID.String(), endCommit}, fileArgs...)...)
}
case RawDiffPatch:
if len(startCommit) != 0 {
query := fmt.Sprintf("%s...%s", endCommit, startCommit)
cmd = exec.CommandContext(ctx, GitExecutable, append([]string{"format-patch", "--no-signature", "--stdout", "--root", query}, fileArgs...)...)
cmd.Args = append(cmd.Args, append([]string{"format-patch", "--no-signature", "--stdout", "--root", query}, fileArgs...)...)
} else if commit.ParentCount() == 0 {
cmd = exec.CommandContext(ctx, GitExecutable, append([]string{"format-patch", "--no-signature", "--stdout", "--root", endCommit}, fileArgs...)...)
cmd.Args = append(cmd.Args, append([]string{"format-patch", "--no-signature", "--stdout", "--root", endCommit}, fileArgs...)...)
} else {
c, _ := commit.Parent(0)
query := fmt.Sprintf("%s...%s", endCommit, c.ID.String())
cmd = exec.CommandContext(ctx, GitExecutable, append([]string{"format-patch", "--no-signature", "--stdout", query}, fileArgs...)...)
cmd.Args = append(cmd.Args, append([]string{"format-patch", "--no-signature", "--stdout", query}, fileArgs...)...)
}
default:
return fmt.Errorf("invalid diffType: %s", diffType)