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Merge branch 'jc/maint-1.6.0-keep-pack' into maint

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* jc/maint-1.6.0-keep-pack:
  pack-objects: don't loosen objects available in alternate or kept packs
  t7700: demonstrate repack flaw which may loosen objects unnecessarily
  Remove --kept-pack-only option and associated infrastructure
  pack-objects: only repack or loosen objects residing in "local" packs
  git-repack.sh: don't use --kept-pack-only option to pack-objects
  t7700-repack: add two new tests demonstrating repacking flaws
  is_kept_pack(): final clean-up
  Simplify is_kept_pack()
  Consolidate ignore_packed logic more
  has_sha1_kept_pack(): take "struct rev_info"
  has_sha1_pack(): refactor "pretend these packs do not exist" interface
  git-repack: resist stray environment variable

Conflicts:
	t/t7700-repack.sh
This commit is contained in:
Junio C Hamano
2009-04-08 23:21:10 -07:00
parent 61e6108d94 094085e336
commit c3067cbfb3
11 changed files with 105 additions and 74 deletions
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39
builtin-pack-objects.c
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@ -1966,11 +1966,7 @@ static void add_objects_in_unpacked_packs(struct rev_info *revs)
const unsigned char *sha1;
struct object *o;
for (i = 0; i < revs->num_ignore_packed; i++) {
if (matches_pack_name(p, revs->ignore_packed[i]))
break;
}
if (revs->num_ignore_packed <= i)
if (!p->pack_local || p->pack_keep)
continue;
if (open_pack_index(p))
die("cannot open pack index");
@ -1999,6 +1995,29 @@ static void add_objects_in_unpacked_packs(struct rev_info *revs)
free(in_pack.array);
}
static int has_sha1_pack_kept_or_nonlocal(const unsigned char *sha1)
{
static struct packed_git *last_found = (void *)1;
struct packed_git *p;
p = (last_found != (void *)1) ? last_found : packed_git;
while (p) {
if ((!p->pack_local || p->pack_keep) &&
find_pack_entry_one(sha1, p)) {
last_found = p;
return 1;
}
if (p == last_found)
p = packed_git;
else
p = p->next;
if (p == last_found)
p = p->next;
}
return 0;
}
static void loosen_unused_packed_objects(struct rev_info *revs)
{
struct packed_git *p;
@ -2006,11 +2025,7 @@ static void loosen_unused_packed_objects(struct rev_info *revs)
const unsigned char *sha1;
for (p = packed_git; p; p = p->next) {
for (i = 0; i < revs->num_ignore_packed; i++) {
if (matches_pack_name(p, revs->ignore_packed[i]))
break;
}
if (revs->num_ignore_packed <= i)
if (!p->pack_local || p->pack_keep)
continue;
if (open_pack_index(p))
@ -2018,7 +2033,8 @@ static void loosen_unused_packed_objects(struct rev_info *revs)
for (i = 0; i < p->num_objects; i++) {
sha1 = nth_packed_object_sha1(p, i);
if (!locate_object_entry(sha1))
if (!locate_object_entry(sha1) &&
!has_sha1_pack_kept_or_nonlocal(sha1))
if (force_object_loose(sha1, p->mtime))
die("unable to force loose object");
}
@ -2208,7 +2224,6 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
continue;
}
if (!strcmp("--unpacked", arg) ||
!prefixcmp(arg, "--unpacked=") ||
!strcmp("--reflog", arg) ||
!strcmp("--all", arg)) {
use_internal_rev_list = 1;