diff --git a/cmd/ugitd/main.go b/cmd/ugitd/main.go
index 6dfa3d9dfefc302d856bf424042d2e9d6444b1e5..afb48cd348805b04c0f4ae04c0d510903740e3d9 100644
--- a/cmd/ugitd/main.go
+++ b/cmd/ugitd/main.go
@@ -143,12 +143,12 @@ 	fi, err := os.Create(fp)
 	if err != nil {
 		return err
 	}
-	fmt.Fprintln(fi, "#!/usr/bin/env bash")
-	fmt.Fprintf(fi, "%s pre-receive-hook\n", bin)
-	fmt.Fprintf(fi, `for hook in %s.d/*; do
+	fi.WriteString("#!/usr/bin/env bash\n")
+	fi.WriteString(fmt.Sprintf("%s pre-receive-hook\n", bin))
+	fi.WriteString(fmt.Sprintf(`for hook in %s.d/*; do
 	test -x "${hook}" && test -f "${hook}" || continue
 	"${hook}"
-done`, fp)
+done`, fp))
 	fi.Close()
 
 	return os.Chmod(fp, 0o755)
@@ -162,7 +162,7 @@ 	}
 
 	opts := make([]*packp.Option, 0)
 	if pushCount, err := strconv.Atoi(os.Getenv("GIT_PUSH_OPTION_COUNT")); err == nil {
-		for idx := range pushCount {
+		for idx := 0; idx < pushCount; idx++ {
 			opt := os.Getenv(fmt.Sprintf("GIT_PUSH_OPTION_%d", idx))
 			kv := strings.SplitN(opt, "=", 2)
 			if len(kv) == 2 {
diff --git a/internal/git/grep.go b/internal/git/grep.go
index f92567d4773ac253a73afbb95efe1b53d0cdde06..d10c933d7ff46488ec10e45f75660a84df577b8f 100644
--- a/internal/git/grep.go
+++ b/internal/git/grep.go
@@ -18,8 +18,8 @@ }
 
 // Grep performs a naive "code search" via git grep
 func (r Repo) Grep(search string) ([]GrepResult, error) {
-	if after, ok := strings.CutPrefix(search, "="); ok {
-		search = regexp.QuoteMeta(after)
+	if strings.HasPrefix(search, "=") {
+		search = regexp.QuoteMeta(strings.TrimPrefix(search, "="))
 	}
 	re, err := regexp.Compile(search)
 	if err != nil {
diff --git a/internal/ssh/ssh.go b/internal/ssh/ssh.go
index e094092d5ee3f6c8cf5225af8e9c71f87dba72f2..a6dec7bb45c58d5296809093af2ade15913736d9 100644
--- a/internal/ssh/ssh.go
+++ b/internal/ssh/ssh.go
@@ -48,4 +48,4 @@ )
 
 type noopLogger struct{}
 
-func (n noopLogger) Printf(format string, v ...any) {}
+func (n noopLogger) Printf(format string, v ...interface{}) {}
diff --git a/internal/ssh/wish.go b/internal/ssh/wish.go
index 6bdb16748ec5499af03d1f4683800da71eb612ab..bdf504b0e0a2f14a4d7105dd1e9353f57b8fe807 100644
--- a/internal/ssh/wish.go
+++ b/internal/ssh/wish.go
@@ -168,7 +168,7 @@ 	}
 }
 
 // Fatal prints to the session's STDOUT as a git response and exit 1.
-func Fatal(s ssh.Session, v ...any) {
+func Fatal(s ssh.Session, v ...interface{}) {
 	msg := fmt.Sprint(v...)
 	// hex length includes 4 byte length prefix and ending newline
 	pktLine := fmt.Sprintf("%04x%s\n", len(msg)+5, msg)