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1#!/bin/sh
2
3test_description='submodules handle mixed ref storage formats'
4
5. ./test-lib.sh
6
7test_ref_format () {
8 echo "$2" >expect &&
9 git -C "$1" rev-parse --show-ref-format >actual &&
10 test_cmp expect actual
11}
12
13for OTHER_FORMAT in files reftable
14do
15 if test "$OTHER_FORMAT" = "$GIT_DEFAULT_REF_FORMAT"
16 then
17 continue
18 fi
19
20test_expect_success 'setup' '
21 git config set --global protocol.file.allow always &&
22 # Some tests migrate the ref storage format, which does not work with
23 # reflogs at the time of writing these tests.
24 git config set --global core.logAllRefUpdates false
25'
26
27test_expect_success 'add existing repository with different ref storage format' '
28 test_when_finished "rm -rf parent" &&
29
30 git init parent &&
31 (
32 cd parent &&
33 test_commit parent &&
34 git init --ref-format=$OTHER_FORMAT submodule &&
35 test_commit -C submodule submodule &&
36 git submodule add ./submodule
37 )
38'
39
40test_expect_success 'add submodules with different ref storage format' '
41 test_when_finished "rm -rf submodule upstream" &&
42
43 git init submodule &&
44 test_commit -C submodule submodule-initial &&
45 git init upstream &&
46 test_ref_format upstream "$GIT_DEFAULT_REF_FORMAT" &&
47 git -C upstream submodule add --ref-format="$OTHER_FORMAT" "file://$(pwd)/submodule" &&
48 test_ref_format upstream/submodule "$OTHER_FORMAT"
49'
50
51test_expect_success 'recursive clone propagates ref storage format' '
52 test_when_finished "rm -rf submodule upstream downstream" &&
53
54 git init submodule &&
55 test_commit -C submodule submodule-initial &&
56 git init upstream &&
57 git -C upstream submodule add "file://$(pwd)/submodule" &&
58 git -C upstream commit -am "add submodule" &&
59
60 # The upstream repository and its submodule should be using the default
61 # ref format.
62 test_ref_format upstream "$GIT_DEFAULT_REF_FORMAT" &&
63 test_ref_format upstream/submodule "$GIT_DEFAULT_REF_FORMAT" &&
64
65 # The cloned repositories should use the other ref format that we have
66 # specified via `--ref-format`. The option should propagate to cloned
67 # submodules.
68 git clone --ref-format=$OTHER_FORMAT --recurse-submodules \
69 upstream downstream &&
70 test_ref_format downstream "$OTHER_FORMAT" &&
71 test_ref_format downstream/submodule "$OTHER_FORMAT"
72'
73
74test_expect_success 'clone submodules with different ref storage format' '
75 test_when_finished "rm -rf submodule upstream downstream" &&
76
77 git init submodule &&
78 test_commit -C submodule submodule-initial &&
79 git init upstream &&
80 git -C upstream submodule add "file://$(pwd)/submodule" &&
81 git -C upstream commit -m "upstream submodule" &&
82
83 git clone --no-recurse-submodules "file://$(pwd)/upstream" downstream &&
84 test_ref_format downstream "$GIT_DEFAULT_REF_FORMAT" &&
85 git -C downstream submodule update --init --ref-format=$OTHER_FORMAT &&
86 test_ref_format downstream/submodule "$OTHER_FORMAT"
87'
88
89test_expect_success 'status with mixed submodule ref storages' '
90 test_when_finished "rm -rf submodule main" &&
91
92 git init submodule &&
93 test_commit -C submodule submodule-initial &&
94 git init main &&
95 git -C main submodule add "file://$(pwd)/submodule" &&
96 git -C main commit -m "add submodule" &&
97 git -C main/submodule refs migrate --ref-format=$OTHER_FORMAT &&
98
99 # The main repository should use the default ref format now, whereas
100 # the submodule should use the other format.
101 test_ref_format main "$GIT_DEFAULT_REF_FORMAT" &&
102 test_ref_format main/submodule "$OTHER_FORMAT" &&
103
104 cat >expect <<-EOF &&
105 $(git -C main/submodule rev-parse HEAD) submodule (submodule-initial)
106 EOF
107 git -C main submodule status >actual &&
108 test_cmp expect actual
109'
110
111test_expect_success 'recursive pull with mixed formats' '
112 test_when_finished "rm -rf submodule upstream downstream" &&
113
114 # Set up the initial structure with an upstream repository that has a
115 # submodule, as well as a downstream clone of the upstream repository.
116 git init submodule &&
117 test_commit -C submodule submodule-initial &&
118 git init upstream &&
119 git -C upstream submodule add "file://$(pwd)/submodule" &&
120 git -C upstream commit -m "upstream submodule" &&
121
122 # Clone the upstream repository such that the main repo and its
123 # submodules have different formats.
124 git clone --no-recurse-submodules "file://$(pwd)/upstream" downstream &&
125 git -C downstream submodule update --init --ref-format=$OTHER_FORMAT &&
126 test_ref_format downstream "$GIT_DEFAULT_REF_FORMAT" &&
127 test_ref_format downstream/submodule "$OTHER_FORMAT" &&
128
129 # Update the upstream submodule as well as the owning repository such
130 # that we can do a recursive pull.
131 test_commit -C submodule submodule-update &&
132 git -C upstream/submodule pull &&
133 git -C upstream commit -am "update the submodule" &&
134
135 git -C downstream pull --recurse-submodules &&
136 git -C upstream/submodule rev-parse HEAD >expect &&
137 git -C downstream/submodule rev-parse HEAD >actual &&
138 test_cmp expect actual
139'
140
141done
142
143test_done