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-rw-r--r--builtin/pack-objects.c140
1 files changed, 100 insertions, 40 deletions
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index ccfcbad146..f069462cb0 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;
}
@@ -1972,7 +2033,6 @@ static int add_ref_tag(const char *path, const unsigned char *sha1, int flag, vo
if (!prefixcmp(path, "refs/tags/") && /* is a tag? */
!peel_ref(path, peeled) && /* peelable? */
- !is_null_sha1(peeled) && /* annotated tag? */
locate_object_entry(peeled)) /* object packed? */
add_object_entry(sha1, OBJ_TAG, NULL, 0);
return 0;
@@ -2312,7 +2372,7 @@ 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 +2444,67 @@ 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(),
};