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-rw-r--r--builtin-pack-objects.c5
-rw-r--r--fast-import.c14
-rw-r--r--git-compat-util.h2
-rw-r--r--index-pack.c23
-rw-r--r--pack-write.c6
-rwxr-xr-xt/t5300-pack-object.sh17
-rw-r--r--wrapper.c32
7 files changed, 72 insertions, 27 deletions
diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c
index cb51916..bcefa52 100644
--- a/builtin-pack-objects.c
+++ b/builtin-pack-objects.c
@@ -488,9 +488,8 @@ static void write_pack_file(void)
} else {
char tmpname[PATH_MAX];
int fd;
- snprintf(tmpname, sizeof(tmpname),
- "%s/pack/tmp_pack_XXXXXX", get_object_directory());
- fd = xmkstemp(tmpname);
+ fd = odb_mkstemp(tmpname, sizeof(tmpname),
+ "pack/tmp_pack_XXXXXX");
pack_tmp_name = xstrdup(tmpname);
f = sha1fd(fd, pack_tmp_name);
}
diff --git a/fast-import.c b/fast-import.c
index 3ef3413..3748ddf 100644
--- a/fast-import.c
+++ b/fast-import.c
@@ -817,9 +817,8 @@ static void start_packfile(void)
struct pack_header hdr;
int pack_fd;
- snprintf(tmpfile, sizeof(tmpfile),
- "%s/pack/tmp_pack_XXXXXX", get_object_directory());
- pack_fd = xmkstemp(tmpfile);
+ pack_fd = odb_mkstemp(tmpfile, sizeof(tmpfile),
+ "pack/tmp_pack_XXXXXX");
p = xcalloc(1, sizeof(*p) + strlen(tmpfile) + 2);
strcpy(p->pack_name, tmpfile);
p->pack_fd = pack_fd;
@@ -879,9 +878,8 @@ static char *create_index(void)
c = next;
}
- snprintf(tmpfile, sizeof(tmpfile),
- "%s/pack/tmp_idx_XXXXXX", get_object_directory());
- idx_fd = xmkstemp(tmpfile);
+ idx_fd = odb_mkstemp(tmpfile, sizeof(tmpfile),
+ "pack/tmp_idx_XXXXXX");
f = sha1fd(idx_fd, tmpfile);
sha1write(f, array, 256 * sizeof(int));
git_SHA1_Init(&ctx);
@@ -907,9 +905,7 @@ static char *keep_pack(char *curr_index_name)
chmod(pack_data->pack_name, 0444);
chmod(curr_index_name, 0444);
- snprintf(name, sizeof(name), "%s/pack/pack-%s.keep",
- get_object_directory(), sha1_to_hex(pack_data->sha1));
- keep_fd = open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
+ keep_fd = odb_pack_keep(name, sizeof(name), pack_data->sha1);
if (keep_fd < 0)
die("cannot create keep file");
write_or_die(keep_fd, keep_msg, strlen(keep_msg));
diff --git a/git-compat-util.h b/git-compat-util.h
index 079cbe9..dcf4127 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -303,6 +303,8 @@ extern ssize_t xwrite(int fd, const void *buf, size_t len);
extern int xdup(int fd);
extern FILE *xfdopen(int fd, const char *mode);
extern int xmkstemp(char *template);
+extern int odb_mkstemp(char *template, size_t limit, const char *pattern);
+extern int odb_pack_keep(char *name, size_t namesz, unsigned char *sha1);
static inline size_t xsize_t(off_t len)
{
diff --git a/index-pack.c b/index-pack.c
index f7a3807..7fee872 100644
--- a/index-pack.c
+++ b/index-pack.c
@@ -172,9 +172,8 @@ static char *open_pack_file(char *pack_name)
input_fd = 0;
if (!pack_name) {
static char tmpfile[PATH_MAX];
- snprintf(tmpfile, sizeof(tmpfile),
- "%s/pack/tmp_pack_XXXXXX", get_object_directory());
- output_fd = xmkstemp(tmpfile);
+ output_fd = odb_mkstemp(tmpfile, sizeof(tmpfile),
+ "pack/tmp_pack_XXXXXX");
pack_name = xstrdup(tmpfile);
} else
output_fd = open(pack_name, O_CREAT|O_EXCL|O_RDWR, 0600);
@@ -794,22 +793,24 @@ static void final(const char *final_pack_name, const char *curr_pack_name,
if (keep_msg) {
int keep_fd, keep_msg_len = strlen(keep_msg);
- if (!keep_name) {
- snprintf(name, sizeof(name), "%s/pack/pack-%s.keep",
- get_object_directory(), sha1_to_hex(sha1));
- keep_name = name;
- }
- keep_fd = open(keep_name, O_RDWR|O_CREAT|O_EXCL, 0600);
+
+ if (!keep_name)
+ keep_fd = odb_pack_keep(name, sizeof(name), sha1);
+ else
+ keep_fd = open(keep_name, O_RDWR|O_CREAT|O_EXCL, 0600);
+
if (keep_fd < 0) {
if (errno != EEXIST)
- die("cannot write keep file");
+ die("cannot write keep file '%s' (%s)",
+ keep_name, strerror(errno));
} else {
if (keep_msg_len > 0) {
write_or_die(keep_fd, keep_msg, keep_msg_len);
write_or_die(keep_fd, "\n", 1);
}
if (close(keep_fd) != 0)
- die("cannot write keep file");
+ die("cannot close written keep file '%s' (%s)",
+ keep_name, strerror(errno));
report = "keep";
}
}
diff --git a/pack-write.c b/pack-write.c
index b426006..7053538 100644
--- a/pack-write.c
+++ b/pack-write.c
@@ -44,9 +44,7 @@ char *write_idx_file(char *index_name, struct pack_idx_entry **objects,
if (!index_name) {
static char tmpfile[PATH_MAX];
- snprintf(tmpfile, sizeof(tmpfile),
- "%s/pack/tmp_idx_XXXXXX", get_object_directory());
- fd = xmkstemp(tmpfile);
+ fd = odb_mkstemp(tmpfile, sizeof(tmpfile), "pack/tmp_idx_XXXXXX");
index_name = xstrdup(tmpfile);
} else {
unlink(index_name);
@@ -239,7 +237,7 @@ char *index_pack_lockfile(int ip_out)
char packname[46];
/*
- * The first thing we expects from index-pack's output
+ * The first thing we expect from index-pack's output
* is "pack\t%40s\n" or "keep\t%40s\n" (46 bytes) where
* %40s is the newly created pack SHA1 name. In the "keep"
* case, we need it to remove the corresponding .keep file
diff --git a/t/t5300-pack-object.sh b/t/t5300-pack-object.sh
index 0452285..ccfc64c 100755
--- a/t/t5300-pack-object.sh
+++ b/t/t5300-pack-object.sh
@@ -180,6 +180,23 @@ test_expect_success \
unset GIT_OBJECT_DIRECTORY
+test_expect_success 'survive missing objects/pack directory' '
+ (
+ rm -fr missing-pack &&
+ mkdir missing-pack &&
+ cd missing-pack &&
+ git init &&
+ GOP=.git/objects/pack
+ rm -fr $GOP &&
+ git index-pack --stdin --keep=test <../test-3-${packname_3}.pack &&
+ test -f $GOP/pack-${packname_3}.pack &&
+ test_cmp $GOP/pack-${packname_3}.pack ../test-3-${packname_3}.pack &&
+ test -f $GOP/pack-${packname_3}.idx &&
+ test_cmp $GOP/pack-${packname_3}.idx ../test-3-${packname_3}.idx &&
+ test -f $GOP/pack-${packname_3}.keep
+ )
+'
+
test_expect_success \
'verify pack' \
'git verify-pack test-1-${packname_1}.idx \
diff --git a/wrapper.c b/wrapper.c
index c85ca52..b07cdf2 100644
--- a/wrapper.c
+++ b/wrapper.c
@@ -256,3 +256,35 @@ int git_inflate(z_streamp strm, int flush)
error("inflate: %s (%s)", err, strm->msg ? strm->msg : "no message");
return ret;
}
+
+int odb_mkstemp(char *template, size_t limit, const char *pattern)
+{
+ int fd;
+
+ snprintf(template, limit, "%s/%s",
+ get_object_directory(), pattern);
+ fd = mkstemp(template);
+ if (0 <= fd)
+ return fd;
+
+ /* slow path */
+ safe_create_leading_directories(template);
+ snprintf(template, limit, "%s/%s",
+ get_object_directory(), pattern);
+ return xmkstemp(template);
+}
+
+int odb_pack_keep(char *name, size_t namesz, unsigned char *sha1)
+{
+ int fd;
+
+ snprintf(name, namesz, "%s/pack/pack-%s.keep",
+ get_object_directory(), sha1_to_hex(sha1));
+ fd = open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
+ if (0 <= fd)
+ return fd;
+
+ /* slow path */
+ safe_create_leading_directories(name);
+ return open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
+}