1#!/bin/sh
2#
3# Copyright (c) 2008 Google Inc.
4#
5
6test_description='git-pack-object with missing base
7
8'
9. ./test-lib.sh
10
11# Create A-B chain
12#
13test_expect_success \
14    'setup base' \
15    'for a in a b c d e f g h i; do echo $a >>text; done &&
16     echo side >side &&
17     git update-index --add text side &&
18     A=$(echo A | git commit-tree $(git write-tree)) &&
19
20     echo m >>text &&
21     git update-index text &&
22     B=$(echo B | git commit-tree $(git write-tree) -p $A) &&
23     git update-ref HEAD $B
24    '
25
26# Create repository with C whose parent is B.
27# Repository contains C, C^{tree}, C:text, B, B^{tree}.
28# Repository is missing B:text (best delta base for C:text).
29# Repository is missing A (parent of B).
30# Repository is missing A:side.
31#
32test_expect_success \
33    'setup patch_clone' \
34    'base_objects=$(pwd)/.git/objects &&
35     (mkdir patch_clone &&
36      cd patch_clone &&
37      git init &&
38      echo "$base_objects" >.git/objects/info/alternates &&
39      echo q >>text &&
40      git read-tree $B &&
41      git update-index text &&
42      git update-ref HEAD $(echo C | git commit-tree $(git write-tree) -p $B) &&
43      rm .git/objects/info/alternates &&
44
45      git --git-dir=../.git cat-file commit $B |
46      git hash-object -t commit -w --stdin &&
47
48      git --git-dir=../.git cat-file tree "$B^{tree}" |
49      git hash-object -t tree -w --stdin
50     ) &&
51     C=$(git --git-dir=patch_clone/.git rev-parse HEAD)
52    '
53
54# Clone patch_clone indirectly by cloning base and fetching.
55#
56test_expect_success \
57    'indirectly clone patch_clone' \
58    '(mkdir user_clone &&
59      cd user_clone &&
60      git init &&
61      git pull ../.git &&
62      test $(git rev-parse HEAD) = $B &&
63
64      git pull ../patch_clone/.git &&
65      test $(git rev-parse HEAD) = $C
66     )
67    '
68
69# Cloning the patch_clone directly should fail.
70#
71test_expect_success \
72    'clone of patch_clone is incomplete' \
73    '(mkdir user_direct &&
74      cd user_direct &&
75      git init &&
76      test_must_fail git fetch ../patch_clone/.git
77     )
78    '
79
80test_done
81