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Fix GetFilesChangedBetween if the file name may be escaped (#23272) 

The code for GetFilesChangedBetween uses `git diff --name-only
base..head` to get the names of files changed between base and head
however this forgets that git will escape certain values.

This PR simply switches to use `-z` which has the `NUL` character as the
separator.

Ref https://github.com/go-gitea/gitea/pull/22568#discussion_r1123138096

Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
This commit is contained in:
zeripath 2023-03-03 22:28:38 +00:00 committed by GitHub
parent 7f9d58fab8
commit 5c4075e16d
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1 changed files with 9 additions and 2 deletions
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11
modules/git/repo_compare.go
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@ -277,11 +277,18 @@ func (repo *Repository) GetPatch(base, head string, w io.Writer) error {
// GetFilesChangedBetween returns a list of all files that have been changed between the given commits // GetFilesChangedBetween returns a list of all files that have been changed between the given commits
func (repo *Repository) GetFilesChangedBetween(base, head string) ([]string, error) { func (repo *Repository) GetFilesChangedBetween(base, head string) ([]string, error) {
stdout, _, err := NewCommand(repo.Ctx, "diff", "--name-only").AddDynamicArguments(base + ".." + head).RunStdString(&RunOpts{Dir: repo.Path}) stdout, _, err := NewCommand(repo.Ctx, "diff", "--name-only", "-z").AddDynamicArguments(base + ".." + head).RunStdString(&RunOpts{Dir: repo.Path})
if err != nil { if err != nil {
return nil, err return nil, err
} }
return strings.Split(stdout, "\n"), err split := strings.Split(stdout, "\000")
// Because Git will always emit filenames with a terminal NUL ignore the last entry in the split - which will always be empty.
if len(split) > 0 {
split = split[:len(split)-1]
}
return split, err
} }
// GetDiffFromMergeBase generates and return patch data from merge base to head // GetDiffFromMergeBase generates and return patch data from merge base to head