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Merge branch 'jc/maint-1.6.0-pack-directory' 

* jc/maint-1.6.0-pack-directory:
  Make sure objects/pack exists before creating a new pack
This commit is contained in:
Junio C Hamano 2009-02-25 14:48:30 -08:00
parent 69707d616f 6e180cdcec
commit bb0cebd7d0
7 changed files with 72 additions and 27 deletions
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5
builtin-pack-objects.c
View File

@ -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);
}

14
fast-import.c
View File

@ -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));

2
git-compat-util.h
View File

@ -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)
{

23
index-pack.c
View File

@ -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";
}
}

6
pack-write.c
View File

@ -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

17
t/t5300-pack-object.sh
View File

@ -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 \

32
wrapper.c
View File

@ -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);
}