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authorJunio C Hamano <gitster@pobox.com>2011-12-16 22:33:40 -0800
committerJunio C Hamano <gitster@pobox.com>2011-12-16 22:33:40 -0800
commit48b303675aa238c209e527feadcbb7ba1c025c97 (patch)
tree6a48f4388867f836db0e4c015098348079a9185d /pack-write.c
parente45c9b03c32620c444f464403c23534160998624 (diff)
parent568508e76570e9ea36aad6446959424cebcf0535 (diff)
downloadgit-48b303675aa238c209e527feadcbb7ba1c025c97.tar.gz
Merge branch 'jc/stream-to-pack'
* jc/stream-to-pack: bulk-checkin: replace fast-import based implementation csum-file: introduce sha1file_checkpoint finish_tmp_packfile(): a helper function create_tmp_packfile(): a helper function write_pack_header(): a helper function Conflicts: pack.h
Diffstat (limited to 'pack-write.c')
-rw-r--r--pack-write.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/pack-write.c b/pack-write.c
index f84adde3eb..de2bd01414 100644
--- a/pack-write.c
+++ b/pack-write.c
@@ -182,6 +182,18 @@ const char *write_idx_file(const char *index_name, struct pack_idx_entry **objec
return index_name;
}
+off_t write_pack_header(struct sha1file *f, uint32_t nr_entries)
+{
+ struct pack_header hdr;
+
+ hdr.hdr_signature = htonl(PACK_SIGNATURE);
+ hdr.hdr_version = htonl(PACK_VERSION);
+ hdr.hdr_entries = htonl(nr_entries);
+ if (sha1write(f, &hdr, sizeof(hdr)))
+ return 0;
+ return sizeof(hdr);
+}
+
/*
* Update pack header with object_count and compute new SHA1 for pack data
* associated to pack_fd, and write that SHA1 at the end. That new SHA1
@@ -320,3 +332,44 @@ int encode_in_pack_object_header(enum object_type type, uintmax_t size, unsigned
*hdr = c;
return n;
}
+
+struct sha1file *create_tmp_packfile(char **pack_tmp_name)
+{
+ char tmpname[PATH_MAX];
+ int fd;
+
+ fd = odb_mkstemp(tmpname, sizeof(tmpname), "pack/tmp_pack_XXXXXX");
+ *pack_tmp_name = xstrdup(tmpname);
+ return sha1fd(fd, *pack_tmp_name);
+}
+
+void finish_tmp_packfile(char *name_buffer,
+ const char *pack_tmp_name,
+ struct pack_idx_entry **written_list,
+ uint32_t nr_written,
+ struct pack_idx_option *pack_idx_opts,
+ unsigned char sha1[])
+{
+ const char *idx_tmp_name;
+ char *end_of_name_prefix = strrchr(name_buffer, 0);
+
+ if (adjust_shared_perm(pack_tmp_name))
+ die_errno("unable to make temporary pack file readable");
+
+ idx_tmp_name = write_idx_file(NULL, written_list, nr_written,
+ pack_idx_opts, sha1);
+ if (adjust_shared_perm(idx_tmp_name))
+ die_errno("unable to make temporary index file readable");
+
+ sprintf(end_of_name_prefix, "%s.pack", sha1_to_hex(sha1));
+ free_pack_by_name(name_buffer);
+
+ if (rename(pack_tmp_name, name_buffer))
+ die_errno("unable to rename temporary pack file");
+
+ sprintf(end_of_name_prefix, "%s.idx", sha1_to_hex(sha1));
+ if (rename(idx_tmp_name, name_buffer))
+ die_errno("unable to rename temporary index file");
+
+ free((void *)idx_tmp_name);
+}