submodule: Use cat instead of echo to avoid DOS line-endings
[git/dscho.git] / t / t2020-checkout-detach.sh
blob81005373d728f09e1a9289048cc721a0300f1cf9
1 #!/bin/sh
3 test_description='checkout into detached HEAD state'
4 . ./test-lib.sh
6 check_detached () {
7 test_must_fail git symbolic-ref -q HEAD >/dev/null
10 check_not_detached () {
11 git symbolic-ref -q HEAD >/dev/null
14 PREV_HEAD_DESC='Previous HEAD position was'
15 check_orphan_warning() {
16 test_i18ngrep "you are leaving $2 behind" "$1" &&
17 test_i18ngrep ! "$PREV_HEAD_DESC" "$1"
19 check_no_orphan_warning() {
20 test_i18ngrep ! "you are leaving .* commit.*behind" "$1" &&
21 test_i18ngrep "$PREV_HEAD_DESC" "$1"
24 reset () {
25 git checkout master &&
26 check_not_detached
29 test_expect_success 'setup' '
30 test_commit one &&
31 test_commit two &&
32 test_commit three && git tag -d three &&
33 test_commit four && git tag -d four &&
34 git branch branch &&
35 git tag tag
38 test_expect_success 'checkout branch does not detach' '
39 reset &&
40 git checkout branch &&
41 check_not_detached
44 test_expect_success 'checkout tag detaches' '
45 reset &&
46 git checkout tag &&
47 check_detached
50 test_expect_success 'checkout branch by full name detaches' '
51 reset &&
52 git checkout refs/heads/branch &&
53 check_detached
56 test_expect_success 'checkout non-ref detaches' '
57 reset &&
58 git checkout branch^ &&
59 check_detached
62 test_expect_success 'checkout ref^0 detaches' '
63 reset &&
64 git checkout branch^0 &&
65 check_detached
68 test_expect_success 'checkout --detach detaches' '
69 reset &&
70 git checkout --detach branch &&
71 check_detached
74 test_expect_success 'checkout --detach without branch name' '
75 reset &&
76 git checkout --detach &&
77 check_detached
80 test_expect_success 'checkout --detach errors out for non-commit' '
81 reset &&
82 test_must_fail git checkout --detach one^{tree} &&
83 check_not_detached
86 test_expect_success 'checkout --detach errors out for extra argument' '
87 reset &&
88 git checkout master &&
89 test_must_fail git checkout --detach tag one.t &&
90 check_not_detached
93 test_expect_success 'checkout --detached and -b are incompatible' '
94 reset &&
95 test_must_fail git checkout --detach -b newbranch tag &&
96 check_not_detached
99 test_expect_success 'checkout --detach moves HEAD' '
100 reset &&
101 git checkout one &&
102 git checkout --detach two &&
103 git diff --exit-code HEAD &&
104 git diff --exit-code two
107 test_expect_success 'checkout warns on orphan commits' '
108 reset &&
109 git checkout --detach two &&
110 echo content >orphan &&
111 git add orphan &&
112 git commit -a -m orphan1 &&
113 echo new content >orphan &&
114 git commit -a -m orphan2 &&
115 orphan2=$(git rev-parse HEAD) &&
116 git checkout master 2>stderr
119 test_expect_success 'checkout warns on orphan commits: output' '
120 check_orphan_warning stderr "2 commits"
123 test_expect_success 'checkout warns orphaning 1 of 2 commits' '
124 git checkout "$orphan2" &&
125 git checkout HEAD^ 2>stderr
128 test_expect_success 'checkout warns orphaning 1 of 2 commits: output' '
129 check_orphan_warning stderr "1 commit"
132 test_expect_success 'checkout does not warn leaving ref tip' '
133 reset &&
134 git checkout --detach two &&
135 git checkout master 2>stderr
138 test_expect_success 'checkout does not warn leaving ref tip' '
139 check_no_orphan_warning stderr
142 test_expect_success 'checkout does not warn leaving reachable commit' '
143 reset &&
144 git checkout --detach HEAD^ &&
145 git checkout master 2>stderr
148 test_expect_success 'checkout does not warn leaving reachable commit' '
149 check_no_orphan_warning stderr
152 cat >expect <<'EOF'
153 Your branch is behind 'master' by 1 commit, and can be fast-forwarded.
155 test_expect_success 'tracking count is accurate after orphan check' '
156 reset &&
157 git branch child master^ &&
158 git config branch.child.remote . &&
159 git config branch.child.merge refs/heads/master &&
160 git checkout child^ &&
161 git checkout child >stdout &&
162 test_i18ncmp expect stdout
165 test_done