diff options
-rw-r--r-- | sha1_file.c | 51 | ||||
-rwxr-xr-x | t/t6501-freshen-objects.sh | 27 |
2 files changed, 71 insertions, 7 deletions
diff --git a/sha1_file.c b/sha1_file.c index 55c65b7ef6..c63264198e 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -442,27 +442,53 @@ void prepare_alt_odb(void) read_info_alternates(get_object_directory(), 0); } -static int has_loose_object_local(const unsigned char *sha1) +static int freshen_file(const char *fn) { - return !access(sha1_file_name(sha1), F_OK); + struct utimbuf t; + t.actime = t.modtime = time(NULL); + return !utime(fn, &t); } -int has_loose_object_nonlocal(const unsigned char *sha1) +static int check_and_freshen_file(const char *fn, int freshen) +{ + if (access(fn, F_OK)) + return 0; + if (freshen && freshen_file(fn)) + return 0; + return 1; +} + +static int check_and_freshen_local(const unsigned char *sha1, int freshen) +{ + return check_and_freshen_file(sha1_file_name(sha1), freshen); +} + +static int check_and_freshen_nonlocal(const unsigned char *sha1, int freshen) { struct alternate_object_database *alt; prepare_alt_odb(); for (alt = alt_odb_list; alt; alt = alt->next) { fill_sha1_path(alt->name, sha1); - if (!access(alt->base, F_OK)) + if (check_and_freshen_file(alt->base, freshen)) return 1; } return 0; } +static int check_and_freshen(const unsigned char *sha1, int freshen) +{ + return check_and_freshen_local(sha1, freshen) || + check_and_freshen_nonlocal(sha1, freshen); +} + +int has_loose_object_nonlocal(const unsigned char *sha1) +{ + return check_and_freshen_nonlocal(sha1, 0); +} + static int has_loose_object(const unsigned char *sha1) { - return has_loose_object_local(sha1) || - has_loose_object_nonlocal(sha1); + return check_and_freshen(sha1, 0); } static unsigned int pack_used_ctr; @@ -2965,6 +2991,17 @@ static int write_loose_object(const unsigned char *sha1, char *hdr, int hdrlen, return move_temp_to_file(tmp_file, filename); } +static int freshen_loose_object(const unsigned char *sha1) +{ + return check_and_freshen(sha1, 1); +} + +static int freshen_packed_object(const unsigned char *sha1) +{ + struct pack_entry e; + return find_pack_entry(sha1, &e) && freshen_file(e.p->pack_name); +} + int write_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *returnsha1) { unsigned char sha1[20]; @@ -2977,7 +3014,7 @@ int write_sha1_file(const void *buf, unsigned long len, const char *type, unsign write_sha1_file_prepare(buf, len, type, sha1, hdr, &hdrlen); if (returnsha1) hashcpy(returnsha1, sha1); - if (has_sha1_file(sha1)) + if (freshen_loose_object(sha1) || freshen_packed_object(sha1)) return 0; return write_loose_object(sha1, hdr, hdrlen, buf, len, 0); } diff --git a/t/t6501-freshen-objects.sh b/t/t6501-freshen-objects.sh index e25c47dd5c..157f3f91db 100755 --- a/t/t6501-freshen-objects.sh +++ b/t/t6501-freshen-objects.sh @@ -100,6 +100,33 @@ for repack in '' true; do test_expect_success "repository passes fsck ($title)" ' git fsck ' + + test_expect_success "abandon objects again ($title)" ' + git reset --hard HEAD^ && + find .git/objects -type f | + xargs test-chmtime -v -86400 + ' + + test_expect_success "start writing new commit with same tree ($title)" ' + tree=$( + GIT_INDEX_FILE=index.tmp && + export GIT_INDEX_FILE && + git read-tree HEAD && + add abandon && + add unrelated && + git write-tree + ) + ' + + test_expect_success "simultaneous gc ($title)" ' + git gc --prune=12.hours.ago + ' + + # tree should have been refreshed by write-tree + test_expect_success "finish writing out commit ($title)" ' + commit=$(echo foo | git commit-tree -p HEAD $tree) && + git update-ref HEAD $commit + ' done test_done |