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Merge branch 'ek/alt-odb-entry-fix'

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* ek/alt-odb-entry-fix:
  sha1_file: do not add own object directory as alternate
This commit is contained in:
Junio C Hamano 2014-07-21 11:18:46 -07:00
parent 9b1c2a3a8e 539e75069f
commit a8c565b227
2 changed files with 33 additions and 4 deletions
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13
sha1_file.c
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@ -268,9 +268,9 @@ static struct alternate_object_database **alt_odb_tail;
* SHA1, an extra slash for the first level indirection, and the
* terminating NUL.
*/
static int link_alt_odb_entry(const char *entry, const char *relative_base, int depth)
static int link_alt_odb_entry(const char *entry, const char *relative_base,
int depth, const char *normalized_objdir)
{
const char *objdir = get_object_directory();
struct alternate_object_database *ent;
struct alternate_object_database *alt;
int pfxlen, entlen;
@ -321,7 +321,7 @@ static int link_alt_odb_entry(const char *entry, const char *relative_base, int
return -1;
}
}
if (!strcmp(ent->base, objdir)) {
if (!strcmp_icase(ent->base, normalized_objdir)) {
free(ent);
return -1;
}
@ -345,6 +345,7 @@ static void link_alt_odb_entries(const char *alt, int len, int sep,
struct string_list entries = STRING_LIST_INIT_NODUP;
char *alt_copy;
int i;
struct strbuf objdirbuf = STRBUF_INIT;
if (depth > 5) {
error("%s: ignoring alternate object stores, nesting too deep.",
@ -352,6 +353,9 @@ static void link_alt_odb_entries(const char *alt, int len, int sep,
return;
}
strbuf_addstr(&objdirbuf, absolute_path(get_object_directory()));
normalize_path_copy(objdirbuf.buf, objdirbuf.buf);
alt_copy = xmemdupz(alt, len);
string_list_split_in_place(&entries, alt_copy, sep, -1);
for (i = 0; i < entries.nr; i++) {
@ -362,11 +366,12 @@ static void link_alt_odb_entries(const char *alt, int len, int sep,
error("%s: ignoring relative alternate object store %s",
relative_base, entry);
} else {
link_alt_odb_entry(entry, relative_base, depth);
link_alt_odb_entry(entry, relative_base, depth, objdirbuf.buf);
}
}
string_list_clear(&entries, 0);
free(alt_copy);
strbuf_release(&objdirbuf);
}
void read_info_alternates(const char * relative_base, int depth)

24
t/t7702-repack-cyclic-alternate.sh Executable file
View file

@ -0,0 +1,24 @@
#!/bin/sh
#
# Copyright (c) 2014 Ephrim Khong
#
test_description='repack involving cyclic alternate'
. ./test-lib.sh
test_expect_success setup '
GIT_OBJECT_DIRECTORY=.git//../.git/objects &&
export GIT_OBJECT_DIRECTORY &&
touch a &&
git add a &&
git commit -m 1 &&
git repack -adl &&
echo "$(pwd)"/.git/objects/../objects >.git/objects/info/alternates
'
test_expect_success 're-packing repository with itsself as alternate' '
git repack -adl &&
git fsck
'
test_done