fix: when initialising a repository with a log, ensure commits are as…

…sociated with a file (#176)

gittest/repository.go

@@ -455,7 +455,12 @@ process:
 }
 
 func importLogEntry(t *testing.T, entry LogEntry) {
-	commitCmd := fmt.Sprintf(`git commit --allow-empty -m "%s"`, entry.Message)
+	// HACK:
+	// Flip the executable bit allowing the commit to be associated to the file
+	// without altering its contents
+	flipExecutableBit(t, "README.md")
+	StageFile(t, "README.md")
+	commitCmd := fmt.Sprintf(`git commit -m "%s"`, entry.Message)
 	MustExec(t, commitCmd)
 
 	// Grab the commit hash and use it when creating branches and tags
@@ -532,6 +537,18 @@ func importTagsAtRef(t *testing.T, tags []string, ref string) {
 	MustExec(t, "git push --tags")
 }
 
+func flipExecutableBit(t *testing.T, path string) {
+	fi, err := os.Stat(path)
+	require.NoError(t, err, "README.md should exist")
+
+	perms := fi.Mode()
+	if perms&0o100 != 0 {
+		require.NoError(t, os.Chmod(path, perms&^0o100), "failed to turn on executable bit")
+	} else {
+		require.NoError(t, os.Chmod(path, perms|0o100), "failed to turn off executable bit")
+	}
+}
+
 func setConfig(t *testing.T, key, value string) {
 	configCmd := fmt.Sprintf(`git config %s "%s"`, key, value)
 	_, err := Exec(t, configCmd)

gittest/repository_test.go

@@ -469,12 +469,14 @@ func TestLogBetween(t *testing.T) {
 
 func TestLogFor(t *testing.T) {
 	log := `(main) chore: this should also appear in log
-	chore: this should appear in log`
+chore: this should appear in log`
 	gittest.InitRepository(t, gittest.WithLog(log))
 
 	localLog := gittest.LogFor(t, ".")
-	require.Len(t, localLog, 1)
-	assert.Equal(t, gittest.InitialCommit, localLog[0].Message)
+	require.Len(t, localLog, 3)
+	assert.Equal(t, "chore: this should also appear in log", localLog[0].Message)
+	assert.Equal(t, "chore: this should appear in log", localLog[1].Message)
+	assert.Equal(t, gittest.InitialCommit, localLog[2].Message)
 }
 
 func TestTag(t *testing.T) {