diff options
| -rw-r--r-- | builtin-pack-objects.c | 15 | ||||
| -rwxr-xr-x | t/t5306-pack-nobase.sh | 80 |
2 files changed, 91 insertions, 4 deletions
diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c index 2dadec1630..b43e0b8f27 100644 --- a/builtin-pack-objects.c +++ b/builtin-pack-objects.c @@ -1096,9 +1096,12 @@ static void check_object(struct object_entry *entry) } entry->type = sha1_object_info(entry->idx.sha1, &entry->size); - if (entry->type < 0) - die("unable to get type of object %s", - sha1_to_hex(entry->idx.sha1)); + /* + * The error condition is checked in prepare_pack(). This is + * to permit a missing preferred base object to be ignored + * as a preferred base. Doing so can result in a larger + * pack file, but the transfer will still take place. + */ } static int pack_offset_sort(const void *_a, const void *_b) @@ -1722,8 +1725,12 @@ static void prepare_pack(int window, int depth) if (entry->no_try_delta) continue; - if (!entry->preferred_base) + if (!entry->preferred_base) { nr_deltas++; + if (entry->type < 0) + die("unable to get type of object %s", + sha1_to_hex(entry->idx.sha1)); + } delta_list[n++] = entry; } diff --git a/t/t5306-pack-nobase.sh b/t/t5306-pack-nobase.sh new file mode 100755 index 0000000000..f4931c0c2a --- /dev/null +++ b/t/t5306-pack-nobase.sh @@ -0,0 +1,80 @@ +#!/bin/sh +# +# Copyright (c) 2008 Google Inc. +# + +test_description='git-pack-object with missing base + +' +. ./test-lib.sh + +# Create A-B chain +# +test_expect_success \ + 'setup base' \ + 'for a in a b c d e f g h i; do echo $a >>text; done && + echo side >side && + git update-index --add text side && + A=$(echo A | git commit-tree $(git write-tree)) && + + echo m >>text && + git update-index text && + B=$(echo B | git commit-tree $(git write-tree) -p $A) && + git update-ref HEAD $B + ' + +# Create repository with C whose parent is B. +# Repository contains C, C^{tree}, C:text, B, B^{tree}. +# Repository is missing B:text (best delta base for C:text). +# Repository is missing A (parent of B). +# Repository is missing A:side. +# +test_expect_success \ + 'setup patch_clone' \ + 'base_objects=$(pwd)/.git/objects && + (mkdir patch_clone && + cd patch_clone && + git init && + echo "$base_objects" >.git/objects/info/alternates && + echo q >>text && + git read-tree $B && + git update-index text && + git update-ref HEAD $(echo C | git commit-tree $(git write-tree) -p $B) && + rm .git/objects/info/alternates && + + git --git-dir=../.git cat-file commit $B | + git hash-object -t commit -w --stdin && + + git --git-dir=../.git cat-file tree "$B^{tree}" | + git hash-object -t tree -w --stdin + ) && + C=$(git --git-dir=patch_clone/.git rev-parse HEAD) + ' + +# Clone patch_clone indirectly by cloning base and fetching. +# +test_expect_success \ + 'indirectly clone patch_clone' \ + '(mkdir user_clone && + cd user_clone && + git init && + git pull ../.git && + test $(git rev-parse HEAD) = $B && + + git pull ../patch_clone/.git && + test $(git rev-parse HEAD) = $C + ) + ' + +# Cloning the patch_clone directly should fail. +# +test_expect_success \ + 'clone of patch_clone is incomplete' \ + '(mkdir user_direct && + cd user_direct && + git init && + test_must_fail git fetch ../patch_clone/.git + ) + ' + +test_done |