From dade09c2269ec2117df085e8a99efcabccf08c53 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@g5.osdl.org>
Date: Sun, 3 Jul 2005 13:06:36 -0700
Subject: Add "has_sha1_pack()" function to query whether the object is
 available in a pack

We'll want this for incremental packing.

diff --git a/cache.h b/cache.h
index 1c0345b..bf589a8 100644
--- a/cache.h
+++ b/cache.h
@@ -176,6 +176,7 @@ extern int read_tree(void *buffer, unsigned long size, int stage);
 
 extern int write_sha1_from_fd(const unsigned char *sha1, int fd);
 
+extern int has_sha1_pack(const unsigned char *sha1);
 extern int has_sha1_file(const unsigned char *sha1);
 
 /* Convert to/from hex/sha1 representation */
diff --git a/sha1_file.c b/sha1_file.c
index b18e467..8f20e2f 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -1267,6 +1267,12 @@ int write_sha1_from_fd(const unsigned char *sha1, int fd)
 	return 0;
 }
 
+int has_sha1_pack(const unsigned char *sha1)
+{
+	struct pack_entry e;
+	return find_pack_entry(sha1, &e);
+}
+
 int has_sha1_file(const unsigned char *sha1)
 {
 	struct stat st;
-- 
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