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Diffstat (limited to 'sha1_file.c')
-rw-r--r--sha1_file.c31
1 files changed, 24 insertions, 7 deletions
diff --git a/sha1_file.c b/sha1_file.c
index ff65328..d8e61a6 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -599,6 +599,14 @@ void unuse_pack(struct pack_window **w_cursor)
}
}
+void close_pack_index(struct packed_git *p)
+{
+ if (p->index_data) {
+ munmap((void *)p->index_data, p->index_size);
+ p->index_data = NULL;
+ }
+}
+
/*
* This is used by git-repack in case a newly created pack happens to
* contain the same set of objects as an existing one. In that case
@@ -620,8 +628,7 @@ void free_pack_by_name(const char *pack_name)
close_pack_windows(p);
if (p->pack_fd != -1)
close(p->pack_fd);
- if (p->index_data)
- munmap((void *)p->index_data, p->index_size);
+ close_pack_index(p);
free(p->bad_object_sha1);
*pp = p->next;
free(p);
@@ -831,9 +838,8 @@ struct packed_git *add_packed_git(const char *path, int path_len, int local)
return p;
}
-struct packed_git *parse_pack_index(unsigned char *sha1)
+struct packed_git *parse_pack_index(unsigned char *sha1, const char *idx_path)
{
- const char *idx_path = sha1_pack_index_name(sha1);
const char *path = sha1_pack_name(sha1);
struct packed_git *p = alloc_packed_git(strlen(path) + 1);
@@ -2448,6 +2454,8 @@ int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object,
else
ret = -1;
strbuf_release(&sbuf);
+ } else if (!size) {
+ ret = index_mem(sha1, NULL, size, write_object, type, path);
} else if (size <= SMALL_FILE_SIZE) {
char *buf = xmalloc(size);
if (size == read_in_full(fd, buf, size))
@@ -2456,12 +2464,11 @@ int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object,
else
ret = error("short read %s", strerror(errno));
free(buf);
- } else if (size) {
+ } else {
void *buf = xmmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);
ret = index_mem(sha1, buf, size, write_object, type, path);
munmap(buf, size);
- } else
- ret = index_mem(sha1, NULL, size, write_object, type, path);
+ }
close(fd);
return ret;
}
@@ -2516,3 +2523,13 @@ int read_pack_header(int fd, struct pack_header *header)
return PH_ERROR_PROTOCOL;
return 0;
}
+
+void assert_sha1_type(const unsigned char *sha1, enum object_type expect)
+{
+ enum object_type type = sha1_object_info(sha1, NULL);
+ if (type < 0)
+ die("%s is not a valid object", sha1_to_hex(sha1));
+ if (type != expect)
+ die("%s is not a valid '%s' object", sha1_to_hex(sha1),
+ typename(expect));
+}