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1#!/bin/sh
2#
3# Copyright (c) 2010 Erick Mattos
4#
5
6test_description='git checkout --orphan
7
8Main Tests for --orphan functionality.'
9
10. ./test-lib.sh
11
12TEST_FILE=foo
13
14test_expect_success 'Setup' '
15 echo "Initial" >"$TEST_FILE" &&
16 git add "$TEST_FILE" &&
a48fcd83 17 git commit -m "First Commit" &&
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18 test_tick &&
19 echo "State 1" >>"$TEST_FILE" &&
20 git add "$TEST_FILE" &&
21 test_tick &&
22 git commit -m "Second Commit"
23'
24
25test_expect_success '--orphan creates a new orphan branch from HEAD' '
26 git checkout --orphan alpha &&
27 test_must_fail git rev-parse --verify HEAD &&
28 test "refs/heads/alpha" = "$(git symbolic-ref HEAD)" &&
29 test_tick &&
30 git commit -m "Third Commit" &&
31 test_must_fail git rev-parse --verify HEAD^ &&
32 git diff-tree --quiet master alpha
33'
34
35test_expect_success '--orphan creates a new orphan branch from <start_point>' '
36 git checkout master &&
37 git checkout --orphan beta master^ &&
38 test_must_fail git rev-parse --verify HEAD &&
39 test "refs/heads/beta" = "$(git symbolic-ref HEAD)" &&
40 test_tick &&
41 git commit -m "Fourth Commit" &&
42 test_must_fail git rev-parse --verify HEAD^ &&
43 git diff-tree --quiet master^ beta
44'
45
46test_expect_success '--orphan must be rejected with -b' '
47 git checkout master &&
48 test_must_fail git checkout --orphan new -b newer &&
49 test refs/heads/master = "$(git symbolic-ref HEAD)"
50'
51
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52test_expect_success '--orphan must be rejected with -t' '
53 git checkout master &&
54 test_must_fail git checkout --orphan new -t master &&
55 test refs/heads/master = "$(git symbolic-ref HEAD)"
56'
57
58test_expect_success '--orphan ignores branch.autosetupmerge' '
59 git checkout master &&
60 git config branch.autosetupmerge always &&
61 git checkout --orphan gamma &&
62 test -z "$(git config branch.gamma.merge)" &&
63 test refs/heads/gamma = "$(git symbolic-ref HEAD)" &&
64 test_must_fail git rev-parse --verify HEAD^
65'
66
67test_expect_success '--orphan makes reflog by default' '
68 git checkout master &&
69 git config --unset core.logAllRefUpdates &&
70 git checkout --orphan delta &&
6e6842e3 71 test_must_fail git rev-parse --verify delta@{0} &&
3631bf77 72 git commit -m Delta &&
6e6842e3 73 git rev-parse --verify delta@{0}
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74'
75
76test_expect_success '--orphan does not make reflog when core.logAllRefUpdates = false' '
77 git checkout master &&
78 git config core.logAllRefUpdates false &&
79 git checkout --orphan epsilon &&
6e6842e3 80 test_must_fail git rev-parse --verify epsilon@{0} &&
3631bf77 81 git commit -m Epsilon &&
6e6842e3 82 test_must_fail git rev-parse --verify epsilon@{0}
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83'
84
85test_expect_success '--orphan with -l makes reflog when core.logAllRefUpdates = false' '
86 git checkout master &&
87 git checkout -l --orphan zeta &&
6e6842e3 88 test_must_fail git rev-parse --verify zeta@{0} &&
3631bf77 89 git commit -m Zeta &&
6e6842e3 90 git rev-parse --verify zeta@{0}
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91'
92
93test_expect_success 'giving up --orphan not committed when -l and core.logAllRefUpdates = false deletes reflog' '
94 git checkout master &&
95 git checkout -l --orphan eta &&
6e6842e3 96 test_must_fail git rev-parse --verify eta@{0} &&
3631bf77 97 git checkout master &&
6e6842e3 98 test_must_fail git rev-parse --verify eta@{0}
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99'
100
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101test_expect_success '--orphan is rejected with an existing name' '
102 git checkout master &&
103 test_must_fail git checkout --orphan master &&
104 test refs/heads/master = "$(git symbolic-ref HEAD)"
105'
106
107test_expect_success '--orphan refuses to switch if a merge is needed' '
108 git checkout master &&
109 git reset --hard &&
110 echo local >>"$TEST_FILE" &&
111 cat "$TEST_FILE" >"$TEST_FILE.saved" &&
3631bf77 112 test_must_fail git checkout --orphan new master^ &&
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113 test refs/heads/master = "$(git symbolic-ref HEAD)" &&
114 test_cmp "$TEST_FILE" "$TEST_FILE.saved" &&
115 git diff-index --quiet --cached HEAD &&
116 git reset --hard
117'
118
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119test_expect_success 'cannot --detach on an unborn branch' '
120 git checkout master &&
121 git checkout --orphan new &&
122 test_must_fail git checkout --detach
123'
124
9db5ebf4 125test_done