Merge pull request 'git-grep: fix for initial dashes in expressions' (#4967) from yoctozepto/git-grep-fix-words into forgejo

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/4967
Reviewed-by: Shiny Nematoda <snematoda@noreply.codeberg.org>
This commit is contained in:
Earl Warren 2024-08-17 07:07:40 +00:00
commit fbb2252314
4 changed files with 45 additions and 1 deletions

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@ -153,6 +153,18 @@ func (c *Command) AddOptionValues(opt internal.CmdArg, args ...string) *Command
return c
}
// AddGitGrepExpression adds an expression option (-e) to git-grep command
// It is different from AddOptionValues in that it allows the actual expression
// to not be filtered out for leading dashes (which is otherwise a security feature
// of AddOptionValues).
func (c *Command) AddGitGrepExpression(exp string) *Command {
if c.args[len(globalCommandArgs)] != "grep" {
panic("function called on a non-grep git program: " + c.args[0])
}
c.args = append(c.args, "-e", exp)
return c
}
// AddOptionFormat adds a new option with a format string and arguments
// For example: AddOptionFormat("--opt=%s %s", val1, val2) means 1 argument: {"--opt=val1 val2"}.
func (c *Command) AddOptionFormat(opt string, args ...any) *Command {

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@ -61,3 +61,10 @@ func TestCommandString(t *testing.T) {
cmd = NewCommandContextNoGlobals(context.Background(), "url: https://a:b@c/")
assert.EqualValues(t, cmd.prog+` "url: https://sanitized-credential@c/"`, cmd.toString(true))
}
func TestGrepOnlyFunction(t *testing.T) {
cmd := NewCommand(context.Background(), "anything-but-grep")
assert.Panics(t, func() {
cmd.AddGitGrepExpression("whatever")
})
}

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@ -76,7 +76,7 @@ func GrepSearch(ctx context.Context, repo *Repository, search string, opts GrepO
words = strings.Fields(search)
}
for _, word := range words {
cmd.AddOptionValues("-e", strings.TrimLeft(word, "-"))
cmd.AddGitGrepExpression(word)
}
// pathspec

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@ -98,6 +98,31 @@ func TestGrepSearch(t *testing.T) {
assert.Empty(t, res)
}
func TestGrepDashesAreFine(t *testing.T) {
tmpDir := t.TempDir()
err := InitRepository(DefaultContext, tmpDir, false, Sha1ObjectFormat.Name())
require.NoError(t, err)
gitRepo, err := openRepositoryWithDefaultContext(tmpDir)
require.NoError(t, err)
defer gitRepo.Close()
require.NoError(t, os.WriteFile(path.Join(tmpDir, "with-dashes"), []byte("--"), 0o666))
require.NoError(t, os.WriteFile(path.Join(tmpDir, "without-dashes"), []byte(".."), 0o666))
err = AddChanges(tmpDir, true)
require.NoError(t, err)
err = CommitChanges(tmpDir, CommitChangesOptions{Message: "Dashes are cool sometimes"})
require.NoError(t, err)
res, err := GrepSearch(context.Background(), gitRepo, "--", GrepOptions{})
require.NoError(t, err)
assert.Len(t, res, 1)
assert.Equal(t, "with-dashes", res[0].Filename)
}
func TestGrepNoBinary(t *testing.T) {
tmpDir := t.TempDir()