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builtin/repack: replace hard-coded constants

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Note that while the error messages here are not translated, the end user
should never see them.  We invoke git pack-objects shortly before both
invocations, so we can be fairly certain that the data we're receiving
is in fact valid.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
brian m. carlson 2018-10-15 00:01:50 +00:00 committed by Junio C Hamano
parent 825544a351
commit 2f0c9e9a9b
1 changed files with 7 additions and 6 deletions
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13
builtin/repack.c
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@ -235,8 +235,8 @@ static void repack_promisor_objects(const struct pack_objects_args *args,
while (strbuf_getline_lf(&line, out) != EOF) {
char *promisor_name;
int fd;
if (line.len != 40)
die("repack: Expecting 40 character sha1 lines only from pack-objects.");
if (line.len != the_hash_algo->hexsz)
die("repack: Expecting full hex object ID lines only from pack-objects.");
string_list_append(names, line.buf);
/*
@ -407,8 +407,8 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
out = xfdopen(cmd.out, "r");
while (strbuf_getline_lf(&line, out) != EOF) {
if (line.len != 40)
die("repack: Expecting 40 character sha1 lines only from pack-objects.");
if (line.len != the_hash_algo->hexsz)
die("repack: Expecting full hex object ID lines only from pack-objects.");
string_list_append(&names, line.buf);
}
fclose(out);
@ -535,14 +535,15 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
reprepare_packed_git(the_repository);
if (delete_redundant) {
const int hexsz = the_hash_algo->hexsz;
int opts = 0;
string_list_sort(&names);
for_each_string_list_item(item, &existing_packs) {
char *sha1;
size_t len = strlen(item->string);
if (len < 40)
if (len < hexsz)
continue;
sha1 = item->string + len - 40;
sha1 = item->string + len - hexsz;
if (!string_list_has_string(&names, sha1))
remove_redundant_pack(packdir, item->string);
}