Include a generalized fixup_header_footer() in this new file.
Needed by git-repack --max-pack-size feature in a later patchset.
Signed-off-by: Dana L. How <danahow@xxxxxxxxx>
---
Makefile | 4 ++--
fast-import.c | 39 ++-------------------------------------
pack-write.c | 38 ++++++++++++++++++++++++++++++++++++++
pack.h | 3 +++
4 files changed, 45 insertions(+), 39 deletions(-)
diff --git a/Makefile b/Makefile
index 2fea115..e0a1308 100644
--- a/Makefile
+++ b/Makefile
@@ -301,8 +301,8 @@ LIB_OBJS = \
interpolate.o \
lockfile.o \
patch-ids.o \
- object.o pack-check.o patch-delta.o path.o pkt-line.o sideband.o \
- reachable.o reflog-walk.o \
+ object.o pack-check.o pack-write.o patch-delta.o path.o pkt-line.o \
+ sideband.o reachable.o reflog-walk.o \
quote.o read-cache.o refs.o run-command.o dir.o object-refs.o \
server-info.o setup.o sha1_file.o sha1_name.o strbuf.o \
tag.o tree.o usage.o config.o environment.o ctype.o copy.o \
diff --git a/fast-import.c b/fast-import.c
index b4cbcd9..276e0e0 100644
--- a/fast-import.c
+++ b/fast-import.c
@@ -651,42 +651,6 @@ static void start_packfile(void)
all_packs[pack_id] = p;
}
-static void fixup_header_footer(void)
-{
- static const int buf_sz = 128 * 1024;
- int pack_fd = pack_data->pack_fd;
- SHA_CTX c;
- struct pack_header hdr;
- char *buf;
-
- if (lseek(pack_fd, 0, SEEK_SET) != 0)
- die("Failed seeking to start: %s", strerror(errno));
- if (read_in_full(pack_fd, &hdr, sizeof(hdr)) != sizeof(hdr))
- die("Unable to reread header of %s", pack_data->pack_name);
- if (lseek(pack_fd, 0, SEEK_SET) != 0)
- die("Failed seeking to start: %s", strerror(errno));
- hdr.hdr_entries = htonl(object_count);
- write_or_die(pack_fd, &hdr, sizeof(hdr));
-
- SHA1_Init(&c);
- SHA1_Update(&c, &hdr, sizeof(hdr));
-
- buf = xmalloc(buf_sz);
- for (;;) {
- ssize_t n = xread(pack_fd, buf, buf_sz);
- if (!n)
- break;
- if (n < 0)
- die("Failed to checksum %s", pack_data->pack_name);
- SHA1_Update(&c, buf, n);
- }
- free(buf);
-
- SHA1_Final(pack_data->sha1, &c);
- write_or_die(pack_fd, pack_data->sha1, sizeof(pack_data->sha1));
- close(pack_fd);
-}
-
static int oecmp (const void *a_, const void *b_)
{
struct object_entry *a = *((struct object_entry**)a_);
@@ -802,7 +766,8 @@ static void end_packfile(void)
struct branch *b;
struct tag *t;
- fixup_header_footer();
+ fixup_header_footer(pack_data->pack_fd, pack_data->sha1,
+ pack_data->pack_name, object_count);
idx_name = keep_pack(create_index());
/* Register the packfile with core git's machinary. */
diff --git a/pack-write.c b/pack-write.c
new file mode 100644
index 0000000..e4c1408
--- /dev/null
+++ b/pack-write.c
@@ -0,0 +1,38 @@
+#include "cache.h"
+#include "pack.h"
+
+void fixup_header_footer(int pack_fd, unsigned char *pack_file_sha1,
+ const char *pack_name, uint32_t object_count)
+{
+ static const int buf_sz = 128 * 1024;
+ SHA_CTX c;
+ struct pack_header hdr;
+ char *buf;
+
+ if (lseek(pack_fd, 0, SEEK_SET) != 0)
+ die("Failed seeking to start: %s", strerror(errno));
+ if (read_in_full(pack_fd, &hdr, sizeof(hdr)) != sizeof(hdr))
+ die("Unable to reread header of %s", pack_name);
+ if (lseek(pack_fd, 0, SEEK_SET) != 0)
+ die("Failed seeking to start: %s", strerror(errno));
+ hdr.hdr_entries = htonl(object_count);
+ write_or_die(pack_fd, &hdr, sizeof(hdr));
+
+ SHA1_Init(&c);
+ SHA1_Update(&c, &hdr, sizeof(hdr));
+
+ buf = xmalloc(buf_sz);
+ for (;;) {
+ size_t n = xread(pack_fd, buf, buf_sz);
+ if (!n)
+ break;
+ if (n < 0)
+ die("Failed to checksum %s", pack_name);
+ SHA1_Update(&c, buf, n);
+ }
+ free(buf);
+
+ SHA1_Final(pack_file_sha1, &c);
+ write_or_die(pack_fd, pack_file_sha1, 20);
+ close(pack_fd);
+}
diff --git a/pack.h b/pack.h
index d4d412c..dc296cc 100644
--- a/pack.h
+++ b/pack.h
@@ -45,6 +45,9 @@ struct pack_idx_header {
extern int verify_pack(struct packed_git *, int);
+void fixup_header_footer(int pack_fd, unsigned char *pack_file_sha1,
+ const char *pack_name, uint32_t object_count);
+
#define PH_ERROR_EOF (-1)
#define PH_ERROR_PACK_SIGNATURE (-2)
#define PH_ERROR_PROTOCOL (-3)
--
1.5.2.rc0.789.gd951
-
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