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