shithub: riscv

Download patch

ref: 37a8fc6168b3bf82df198fb20be5a8a53996187c
parent: abc6e8ee6b71a79e7bfe5926132cd2302860ffe6
author: Ori Bernstein <ori@eigenstate.org>
date: Sat Dec 23 17:24:07 EST 2023

ref: check if object is a commit when needed

--- a/sys/src/cmd/git/ref.c
+++ b/sys/src/cmd/git/ref.c
@@ -188,6 +188,10 @@
 			break;
 		}
 		o = readobject(e.o->hash);
+		if(o->type != GCommit){
+			werrstr("not a commit: %H", o->hash);
+			goto error;
+		}
 		for(i = 0; i < o->commit->nparent; i++){
 			if((c = readobject(e.o->commit->parent[i])) == nil)
 				goto error;
@@ -305,6 +309,10 @@
 	Object *o, *p;
 
 	o = pop(ev);
+	if(o->type != GCommit){
+		werrstr("not a commit: %H", o->hash);
+		return -1;
+	}
 	/* Special case: first commit has no parent. */
 	if(o->commit->nparent == 0)
 		p = emptydir();