diff options
Diffstat (limited to 'builtin/pack-objects.c')
-rw-r--r-- | builtin/pack-objects.c | 139 |
1 files changed, 100 insertions, 39 deletions
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c index ccfcbad146..5e14064094 100644 --- a/builtin/pack-objects.c +++ b/builtin/pack-objects.c @@ -16,11 +16,12 @@ #include "list-objects.h" #include "progress.h" #include "refs.h" +#include "streaming.h" #include "thread-utils.h" static const char *pack_usage[] = { - "git pack-objects --stdout [options...] [< ref-list | < object-list]", - "git pack-objects [options...] base-name [< ref-list | < object-list]", + N_("git pack-objects --stdout [options...] [< ref-list | < object-list]"), + N_("git pack-objects [options...] base-name [< ref-list | < object-list]"), NULL }; @@ -150,6 +151,46 @@ static unsigned long do_compress(void **pptr, unsigned long size) return stream.total_out; } +static unsigned long write_large_blob_data(struct git_istream *st, struct sha1file *f, + const unsigned char *sha1) +{ + git_zstream stream; + unsigned char ibuf[1024 * 16]; + unsigned char obuf[1024 * 16]; + unsigned long olen = 0; + + memset(&stream, 0, sizeof(stream)); + git_deflate_init(&stream, pack_compression_level); + + for (;;) { + ssize_t readlen; + int zret = Z_OK; + readlen = read_istream(st, ibuf, sizeof(ibuf)); + if (readlen == -1) + die(_("unable to read %s"), sha1_to_hex(sha1)); + + stream.next_in = ibuf; + stream.avail_in = readlen; + while ((stream.avail_in || readlen == 0) && + (zret == Z_OK || zret == Z_BUF_ERROR)) { + stream.next_out = obuf; + stream.avail_out = sizeof(obuf); + zret = git_deflate(&stream, readlen ? 0 : Z_FINISH); + sha1write(f, obuf, stream.next_out - obuf); + olen += stream.next_out - obuf; + } + if (stream.avail_in) + die(_("deflate error (%d)"), zret); + if (readlen == 0) { + if (zret != Z_STREAM_END) + die(_("deflate error (%d)"), zret); + break; + } + } + git_deflate_end(&stream); + return olen; +} + /* * we are going to reuse the existing object data as is. make * sure it is not corrupt. @@ -208,11 +249,18 @@ static unsigned long write_no_reuse_object(struct sha1file *f, struct object_ent unsigned hdrlen; enum object_type type; void *buf; + struct git_istream *st = NULL; if (!usable_delta) { - buf = read_sha1_file(entry->idx.sha1, &type, &size); - if (!buf) - die("unable to read %s", sha1_to_hex(entry->idx.sha1)); + if (entry->type == OBJ_BLOB && + entry->size > big_file_threshold && + (st = open_istream(entry->idx.sha1, &type, &size, NULL)) != NULL) + buf = NULL; + else { + buf = read_sha1_file(entry->idx.sha1, &type, &size); + if (!buf) + die(_("unable to read %s"), sha1_to_hex(entry->idx.sha1)); + } /* * make sure no cached delta data remains from a * previous attempt before a pack split occurred. @@ -233,7 +281,9 @@ static unsigned long write_no_reuse_object(struct sha1file *f, struct object_ent OBJ_OFS_DELTA : OBJ_REF_DELTA; } - if (entry->z_delta_size) + if (st) /* large blob case, just assume we don't compress well */ + datalen = size; + else if (entry->z_delta_size) datalen = entry->z_delta_size; else datalen = do_compress(&buf, size); @@ -256,6 +306,8 @@ static unsigned long write_no_reuse_object(struct sha1file *f, struct object_ent while (ofs >>= 7) dheader[--pos] = 128 | (--ofs & 127); if (limit && hdrlen + sizeof(dheader) - pos + datalen + 20 >= limit) { + if (st) + close_istream(st); free(buf); return 0; } @@ -268,6 +320,8 @@ static unsigned long write_no_reuse_object(struct sha1file *f, struct object_ent * an additional 20 bytes for the base sha1. */ if (limit && hdrlen + 20 + datalen + 20 >= limit) { + if (st) + close_istream(st); free(buf); return 0; } @@ -276,13 +330,20 @@ static unsigned long write_no_reuse_object(struct sha1file *f, struct object_ent hdrlen += 20; } else { if (limit && hdrlen + datalen + 20 >= limit) { + if (st) + close_istream(st); free(buf); return 0; } sha1write(f, header, hdrlen); } - sha1write(f, buf, datalen); - free(buf); + if (st) { + datalen = write_large_blob_data(st, f, entry->idx.sha1); + close_istream(st); + } else { + sha1write(f, buf, datalen); + free(buf); + } return hdrlen + datalen; } @@ -2312,7 +2373,7 @@ static void get_object_list(int ac, const char **av) } die("not a rev '%s'", line); } - if (handle_revision_arg(line, &revs, flags, 1)) + if (handle_revision_arg(line, &revs, flags, REVARG_CANNOT_BE_FILENAME)) die("bad revision '%s'", line); } @@ -2384,67 +2445,67 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) int rev_list_unpacked = 0, rev_list_all = 0, rev_list_reflog = 0; struct option pack_objects_options[] = { OPT_SET_INT('q', "quiet", &progress, - "do not show progress meter", 0), + N_("do not show progress meter"), 0), OPT_SET_INT(0, "progress", &progress, - "show progress meter", 1), + N_("show progress meter"), 1), OPT_SET_INT(0, "all-progress", &progress, - "show progress meter during object writing phase", 2), + N_("show progress meter during object writing phase"), 2), OPT_BOOL(0, "all-progress-implied", &all_progress_implied, - "similar to --all-progress when progress meter is shown"), - { OPTION_CALLBACK, 0, "index-version", NULL, "version[,offset]", - "write the pack index file in the specified idx format version", + N_("similar to --all-progress when progress meter is shown")), + { OPTION_CALLBACK, 0, "index-version", NULL, N_("version[,offset]"), + N_("write the pack index file in the specified idx format version"), 0, option_parse_index_version }, OPT_ULONG(0, "max-pack-size", &pack_size_limit, - "maximum size of each output pack file"), + N_("maximum size of each output pack file")), OPT_BOOL(0, "local", &local, - "ignore borrowed objects from alternate object store"), + N_("ignore borrowed objects from alternate object store")), OPT_BOOL(0, "incremental", &incremental, - "ignore packed objects"), + N_("ignore packed objects")), OPT_INTEGER(0, "window", &window, - "limit pack window by objects"), + N_("limit pack window by objects")), OPT_ULONG(0, "window-memory", &window_memory_limit, - "limit pack window by memory in addition to object limit"), + N_("limit pack window by memory in addition to object limit")), OPT_INTEGER(0, "depth", &depth, - "maximum length of delta chain allowed in the resulting pack"), + N_("maximum length of delta chain allowed in the resulting pack")), OPT_BOOL(0, "reuse-delta", &reuse_delta, - "reuse existing deltas"), + N_("reuse existing deltas")), OPT_BOOL(0, "reuse-object", &reuse_object, - "reuse existing objects"), + N_("reuse existing objects")), OPT_BOOL(0, "delta-base-offset", &allow_ofs_delta, - "use OFS_DELTA objects"), + N_("use OFS_DELTA objects")), OPT_INTEGER(0, "threads", &delta_search_threads, - "use threads when searching for best delta matches"), + N_("use threads when searching for best delta matches")), OPT_BOOL(0, "non-empty", &non_empty, - "do not create an empty pack output"), + N_("do not create an empty pack output")), OPT_BOOL(0, "revs", &use_internal_rev_list, - "read revision arguments from standard input"), + N_("read revision arguments from standard input")), { OPTION_SET_INT, 0, "unpacked", &rev_list_unpacked, NULL, - "limit the objects to those that are not yet packed", + N_("limit the objects to those that are not yet packed"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 }, { OPTION_SET_INT, 0, "all", &rev_list_all, NULL, - "include objects reachable from any reference", + N_("include objects reachable from any reference"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 }, { OPTION_SET_INT, 0, "reflog", &rev_list_reflog, NULL, - "include objects referred by reflog entries", + N_("include objects referred by reflog entries"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 }, OPT_BOOL(0, "stdout", &pack_to_stdout, - "output pack to stdout"), + N_("output pack to stdout")), OPT_BOOL(0, "include-tag", &include_tag, - "include tag objects that refer to objects to be packed"), + N_("include tag objects that refer to objects to be packed")), OPT_BOOL(0, "keep-unreachable", &keep_unreachable, - "keep unreachable objects"), - { OPTION_CALLBACK, 0, "unpack-unreachable", NULL, "time", - "unpack unreachable objects newer than <time>", + N_("keep unreachable objects")), + { OPTION_CALLBACK, 0, "unpack-unreachable", NULL, N_("time"), + N_("unpack unreachable objects newer than <time>"), PARSE_OPT_OPTARG, option_parse_unpack_unreachable }, OPT_BOOL(0, "thin", &thin, - "create thin packs"), + N_("create thin packs")), OPT_BOOL(0, "honor-pack-keep", &ignore_packed_keep, - "ignore packs that have companion .keep file"), + N_("ignore packs that have companion .keep file")), OPT_INTEGER(0, "compression", &pack_compression_level, - "pack compression level"), + N_("pack compression level")), OPT_SET_INT(0, "keep-true-parents", &grafts_replace_parents, - "do not hide commits by grafts", 0), + N_("do not hide commits by grafts"), 0), OPT_END(), }; 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