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Commit | Line | Data |
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32669671 JH |
1 | #!/bin/sh |
2 | ||
3 | test_description='checkout into detached HEAD state' | |
4 | . ./test-lib.sh | |
5 | ||
6 | check_detached () { | |
7 | test_must_fail git symbolic-ref -q HEAD >/dev/null | |
8 | } | |
9 | ||
10 | check_not_detached () { | |
11 | git symbolic-ref -q HEAD >/dev/null | |
12 | } | |
13 | ||
493dd6ed JK |
14 | ORPHAN_WARNING='you are leaving .* commit.*behind' |
15 | check_orphan_warning() { | |
16 | grep "$ORPHAN_WARNING" "$1" | |
17 | } | |
18 | check_no_orphan_warning() { | |
19 | ! grep "$ORPHAN_WARNING" "$1" | |
20 | } | |
21 | ||
32669671 JH |
22 | reset () { |
23 | git checkout master && | |
24 | check_not_detached | |
25 | } | |
26 | ||
27 | test_expect_success 'setup' ' | |
28 | test_commit one && | |
29 | test_commit two && | |
493dd6ed JK |
30 | test_commit three && git tag -d three && |
31 | test_commit four && git tag -d four && | |
32669671 JH |
32 | git branch branch && |
33 | git tag tag | |
34 | ' | |
35 | ||
36 | test_expect_success 'checkout branch does not detach' ' | |
37 | reset && | |
38 | git checkout branch && | |
39 | check_not_detached | |
40 | ' | |
41 | ||
42 | test_expect_success 'checkout tag detaches' ' | |
43 | reset && | |
44 | git checkout tag && | |
45 | check_detached | |
46 | ' | |
47 | ||
48 | test_expect_success 'checkout branch by full name detaches' ' | |
49 | reset && | |
50 | git checkout refs/heads/branch && | |
51 | check_detached | |
52 | ' | |
53 | ||
54 | test_expect_success 'checkout non-ref detaches' ' | |
55 | reset && | |
56 | git checkout branch^ && | |
57 | check_detached | |
58 | ' | |
59 | ||
60 | test_expect_success 'checkout ref^0 detaches' ' | |
61 | reset && | |
62 | git checkout branch^0 && | |
63 | check_detached | |
64 | ' | |
65 | ||
66 | test_expect_success 'checkout --detach detaches' ' | |
67 | reset && | |
68 | git checkout --detach branch && | |
69 | check_detached | |
70 | ' | |
71 | ||
72 | test_expect_success 'checkout --detach without branch name' ' | |
73 | reset && | |
74 | git checkout --detach && | |
75 | check_detached | |
76 | ' | |
77 | ||
78 | test_expect_success 'checkout --detach errors out for non-commit' ' | |
79 | reset && | |
80 | test_must_fail git checkout --detach one^{tree} && | |
81 | check_not_detached | |
82 | ' | |
83 | ||
84 | test_expect_success 'checkout --detach errors out for extra argument' ' | |
85 | reset && | |
86 | git checkout master && | |
87 | test_must_fail git checkout --detach tag one.t && | |
88 | check_not_detached | |
89 | ' | |
90 | ||
91 | test_expect_success 'checkout --detached and -b are incompatible' ' | |
92 | reset && | |
93 | test_must_fail git checkout --detach -b newbranch tag && | |
94 | check_not_detached | |
95 | ' | |
96 | ||
97 | test_expect_success 'checkout --detach moves HEAD' ' | |
98 | reset && | |
99 | git checkout one && | |
100 | git checkout --detach two && | |
101 | git diff --exit-code HEAD && | |
102 | git diff --exit-code two | |
103 | ' | |
104 | ||
493dd6ed JK |
105 | test_expect_success 'checkout warns on orphan commits' ' |
106 | reset && | |
107 | git checkout --detach two && | |
108 | echo content >orphan && | |
109 | git add orphan && | |
110 | git commit -a -m orphan && | |
111 | git checkout master 2>stderr && | |
112 | check_orphan_warning stderr | |
113 | ' | |
114 | ||
115 | test_expect_success 'checkout does not warn leaving ref tip' ' | |
116 | reset && | |
117 | git checkout --detach two && | |
118 | git checkout master 2>stderr && | |
119 | check_no_orphan_warning stderr | |
120 | ' | |
121 | ||
122 | test_expect_success 'checkout does not warn leaving reachable commit' ' | |
123 | reset && | |
124 | git checkout --detach HEAD^ && | |
125 | git checkout master 2>stderr && | |
126 | check_no_orphan_warning stderr | |
127 | ' | |
128 | ||
32669671 | 129 | test_done |