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Allow to merge if file path contains " or \ (#8629)
* if a filename in a repository contains " or \ the owner can't merge pull request with this files because "git diff-tree" adds double quotes to that filepath example: filepath is ab"cd but "git diff-tree" returns "ab\"cd" now, when the owner click "Merge Pull Request" button the server returns 500 this commit fix it Signed-off-by: Ilya Pavlov <ilux@cpan.org> * add -z option to getDiffTree escape spec symbols for sparse-checkout Signed-off-by: Ilya Pavlov <ilux@cpan.org> * go fmt Signed-off-by: Ilya Pavlov <ilux@cpan.org> * typo Signed-off-by: Ilya Pavlov <ilux@cpan.org> * escape '\' escape all spaces and '!' * use regexp.ReplaceAllString() Signed-off-by: Ilya Pavlov <ilux@cpan.org> * strings.ReplaceAll was added in go 1.12 Signed-off-by: Ilya Pavlov <ilux@cpan.org> * add '\' to regexp.MustCompile Signed-off-by: Ilya Pavlov <ilux@cpan.org>
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@ -12,6 +12,7 @@ import (
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"io/ioutil"
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"os"
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"path/filepath"
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"regexp"
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"strings"
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"time"
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@ -374,16 +375,31 @@ func Merge(pr *models.PullRequest, doer *models.User, baseGitRepo *git.Repositor
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return nil
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}
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var escapedSymbols = regexp.MustCompile(`([*[?! \\])`)
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func getDiffTree(repoPath, baseBranch, headBranch string) (string, error) {
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getDiffTreeFromBranch := func(repoPath, baseBranch, headBranch string) (string, error) {
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var outbuf, errbuf strings.Builder
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// Compute the diff-tree for sparse-checkout
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if err := git.NewCommand("diff-tree", "--no-commit-id", "--name-only", "-r", "--root", baseBranch, headBranch, "--").RunInDirPipeline(repoPath, &outbuf, &errbuf); err != nil {
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if err := git.NewCommand("diff-tree", "--no-commit-id", "--name-only", "-r", "-z", "--root", baseBranch, headBranch, "--").RunInDirPipeline(repoPath, &outbuf, &errbuf); err != nil {
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return "", fmt.Errorf("git diff-tree [%s base:%s head:%s]: %s", repoPath, baseBranch, headBranch, errbuf.String())
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}
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return outbuf.String(), nil
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}
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scanNullTerminatedStrings := func(data []byte, atEOF bool) (advance int, token []byte, err error) {
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if atEOF && len(data) == 0 {
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return 0, nil, nil
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}
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if i := bytes.IndexByte(data, '\x00'); i >= 0 {
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return i + 1, data[0:i], nil
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}
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if atEOF {
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return len(data), data, nil
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}
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return 0, nil, nil
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}
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list, err := getDiffTreeFromBranch(repoPath, baseBranch, headBranch)
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if err != nil {
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return "", err
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@ -392,8 +408,14 @@ func getDiffTree(repoPath, baseBranch, headBranch string) (string, error) {
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// Prefixing '/' for each entry, otherwise all files with the same name in subdirectories would be matched.
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out := bytes.Buffer{}
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scanner := bufio.NewScanner(strings.NewReader(list))
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scanner.Split(scanNullTerminatedStrings)
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for scanner.Scan() {
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fmt.Fprintf(&out, "/%s\n", scanner.Text())
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filepath := scanner.Text()
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// escape '*', '?', '[', spaces and '!' prefix
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filepath = escapedSymbols.ReplaceAllString(filepath, `\$1`)
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// no necessary to escape the first '#' symbol because the first symbol is '/'
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fmt.Fprintf(&out, "/%s\n", filepath)
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}
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return out.String(), nil
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}
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