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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>
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@ -277,11 +277,18 @@ func (repo *Repository) GetPatch(base, head string, w io.Writer) error {
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// GetFilesChangedBetween returns a list of all files that have been changed between the given commits
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func (repo *Repository) GetFilesChangedBetween(base, head string) ([]string, error) {
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stdout, _, err := NewCommand(repo.Ctx, "diff", "--name-only").AddDynamicArguments(base + ".." + head).RunStdString(&RunOpts{Dir: repo.Path})
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stdout, _, err := NewCommand(repo.Ctx, "diff", "--name-only", "-z").AddDynamicArguments(base + ".." + head).RunStdString(&RunOpts{Dir: repo.Path})
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if err != nil {
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return nil, err
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}
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return strings.Split(stdout, "\n"), err
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split := strings.Split(stdout, "\000")
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// Because Git will always emit filenames with a terminal NUL ignore the last entry in the split - which will always be empty.
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if len(split) > 0 {
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split = split[:len(split)-1]
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}
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return split, err
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}
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// GetDiffFromMergeBase generates and return patch data from merge base to head
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