diff options
Diffstat (limited to 'sha1_file.c')
-rw-r--r-- | sha1_file.c | 104 |
1 files changed, 64 insertions, 40 deletions
diff --git a/sha1_file.c b/sha1_file.c index 3516777..c317096 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -176,21 +176,22 @@ char *sha1_file_name(const unsigned char *sha1) return base; } -char *sha1_pack_name(const unsigned char *sha1) +static char *sha1_get_pack_name(const unsigned char *sha1, + char **name, char **base) { static const char hex[] = "0123456789abcdef"; - static char *name, *base, *buf; + char *buf; int i; - if (!base) { + if (!*base) { const char *sha1_file_directory = get_object_directory(); int len = strlen(sha1_file_directory); - base = xmalloc(len + 60); - sprintf(base, "%s/pack/pack-1234567890123456789012345678901234567890.pack", sha1_file_directory); - name = base + len + 11; + *base = xmalloc(len + 60); + sprintf(*base, "%s/pack/pack-1234567890123456789012345678901234567890.pack", sha1_file_directory); + *name = *base + len + 11; } - buf = name; + buf = *name; for (i = 0; i < 20; i++) { unsigned int val = *sha1++; @@ -198,32 +199,21 @@ char *sha1_pack_name(const unsigned char *sha1) *buf++ = hex[val & 0xf]; } - return base; + return *base; } -char *sha1_pack_index_name(const unsigned char *sha1) +char *sha1_pack_name(const unsigned char *sha1) { - static const char hex[] = "0123456789abcdef"; - static char *name, *base, *buf; - int i; - - if (!base) { - const char *sha1_file_directory = get_object_directory(); - int len = strlen(sha1_file_directory); - base = xmalloc(len + 60); - sprintf(base, "%s/pack/pack-1234567890123456789012345678901234567890.idx", sha1_file_directory); - name = base + len + 11; - } + static char *name, *base; - buf = name; + return sha1_get_pack_name(sha1, &name, &base); +} - for (i = 0; i < 20; i++) { - unsigned int val = *sha1++; - *buf++ = hex[val >> 4]; - *buf++ = hex[val & 0xf]; - } +char *sha1_pack_index_name(const unsigned char *sha1) +{ + static char *name, *base; - return base; + return sha1_get_pack_name(sha1, &name, &base); } struct alternate_object_database *alt_odb_list; @@ -2102,26 +2092,16 @@ int hash_sha1_file(const void *buf, unsigned long len, const char *type, return 0; } -int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *returnsha1) +static int write_loose_object(const unsigned char *sha1, char *hdr, int hdrlen, + void *buf, unsigned long len, time_t mtime) { - int size, ret; + int fd, size, ret; unsigned char *compressed; z_stream stream; - unsigned char sha1[20]; char *filename; static char tmpfile[PATH_MAX]; - char hdr[32]; - int fd, hdrlen; - /* Normally if we have it in the pack then we do not bother writing - * it out into .git/objects/??/?{38} file. - */ - write_sha1_file_prepare(buf, len, type, sha1, hdr, &hdrlen); filename = sha1_file_name(sha1); - if (returnsha1) - hashcpy(returnsha1, sha1); - if (has_sha1_file(sha1)) - return 0; fd = open(filename, O_RDONLY); if (fd >= 0) { /* @@ -2182,9 +2162,53 @@ int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned cha die("unable to write sha1 file"); free(compressed); + if (mtime) { + struct utimbuf utb; + utb.actime = mtime; + utb.modtime = mtime; + if (utime(tmpfile, &utb) < 0) + warning("failed utime() on %s: %s", + tmpfile, strerror(errno)); + } + return move_temp_to_file(tmpfile, filename); } +int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *returnsha1) +{ + unsigned char sha1[20]; + char hdr[32]; + int hdrlen; + + /* Normally if we have it in the pack then we do not bother writing + * it out into .git/objects/??/?{38} file. + */ + write_sha1_file_prepare(buf, len, type, sha1, hdr, &hdrlen); + if (returnsha1) + hashcpy(returnsha1, sha1); + if (has_sha1_file(sha1)) + return 0; + return write_loose_object(sha1, hdr, hdrlen, buf, len, 0); +} + +int force_object_loose(const unsigned char *sha1, time_t mtime) +{ + struct stat st; + void *buf; + unsigned long len; + enum object_type type; + char hdr[32]; + int hdrlen; + + if (find_sha1_file(sha1, &st)) + return 0; + buf = read_packed_sha1(sha1, &type, &len); + if (!buf) + return error("cannot read sha1_file for %s", sha1_to_hex(sha1)); + hdrlen = sprintf(hdr, "%s %lu", typename(type), len) + 1; + return write_loose_object(sha1, hdr, hdrlen, buf, len, mtime); +} + /* * We need to unpack and recompress the object for writing * it out to a different file. |