pkg/aflow/tool/grepper: add the tool

Add a tool that executes git grep with the given expression.
It can handle long tail of cases that codesearcher can't handle,
while still providing less output than reading whole files.

1 files changed, 6 insertions, 6 deletions

diff --git a/pkg/vcs/git_test_util.go b/pkg/vcs/git_test_util.go
index 012972abc..3f2116a4b 100644
--- a/pkg/vcs/git_test_util.go
+++ b/pkg/vcs/git_test_util.go
@@ -78,24 +78,24 @@ func (repo *TestRepo) CommitFileChange(branch, change string) {
 }
 
 func (repo *TestRepo) CommitChange(description string) *Commit {
-	return repo.commitChangeset(description)
+	return repo.CommitChangeset(description)
 }
 
-type writeFile struct {
+type FileContent struct {
 	File    string
 	Content string
 }
 
-func (wf *writeFile) Apply(repo *TestRepo) error {
-	err := os.WriteFile(filepath.Join(repo.Dir, wf.File), []byte(wf.Content), 0644)
+func (fc *FileContent) Apply(repo *TestRepo) error {
+	err := os.WriteFile(filepath.Join(repo.Dir, fc.File), []byte(fc.Content), 0644)
 	if err != nil {
 		return err
 	}
-	repo.Git("add", wf.File)
+	repo.Git("add", fc.File)
 	return nil
 }
 
-func (repo *TestRepo) commitChangeset(description string, actions ...writeFile) *Commit {
+func (repo *TestRepo) CommitChangeset(description string, actions ...FileContent) *Commit {
 	for i, action := range actions {
 		if err := action.Apply(repo); err != nil {
 			repo.t.Fatalf("failed to apply action %d: %v", i, err)