summaryrefslogtreecommitdiff
path: root/sha1_file.c
diff options
context:
space:
mode:
Diffstat (limited to 'sha1_file.c')
-rw-r--r--sha1_file.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/sha1_file.c b/sha1_file.c
index b114cc922d..16f08d475c 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -36,6 +36,9 @@ static inline uintmax_t sz_fmt(size_t s) { return s; }
const unsigned char null_sha1[20];
+static const char *no_log_pack_access = "no_log_pack_access";
+static const char *log_pack_access;
+
/*
* This is meant to hold a *small* number of objects that you would
* want read_sha1_file() to be able to return, but yet you do not want
@@ -1956,12 +1959,19 @@ static void write_pack_access_log(struct packed_git *p, off_t obj_offset)
{
static FILE *log_file;
+ if (!log_pack_access)
+ log_pack_access = getenv("GIT_TRACE_PACK_ACCESS");
+ if (!log_pack_access)
+ log_pack_access = no_log_pack_access;
+ if (log_pack_access == no_log_pack_access)
+ return;
+
if (!log_file) {
log_file = fopen(log_pack_access, "w");
if (!log_file) {
error("cannot open pack access log '%s' for writing: %s",
log_pack_access, strerror(errno));
- log_pack_access = NULL;
+ log_pack_access = no_log_pack_access;
return;
}
}
@@ -1992,7 +2002,7 @@ void *unpack_entry(struct packed_git *p, off_t obj_offset,
int delta_stack_nr = 0, delta_stack_alloc = UNPACK_ENTRY_STACK_PREALLOC;
int base_from_cache = 0;
- if (log_pack_access)
+ if (log_pack_access != no_log_pack_access)
write_pack_access_log(p, obj_offset);
/* PHASE 1: drill down to the innermost base object */
@@ -2348,7 +2358,7 @@ static int sha1_loose_object_info(const unsigned char *sha1, unsigned long *size
map = map_sha1_file(sha1, &mapsize);
if (!map)
- return error("unable to find %s", sha1_to_hex(sha1));
+ return -1;
if (unpack_sha1_header(&stream, map, mapsize, hdr, sizeof(hdr)) < 0)
status = error("unable to unpack %s header",
sha1_to_hex(sha1));