blob: fbb4ee9bb42dbcfdfcdb79511523a8fa2ac8b5d9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
#!/bin/sh
test_description='checkout into detached HEAD state'
. ./test-lib.sh
check_detached () {
test_must_fail git symbolic-ref -q HEAD >/dev/null
}
check_not_detached () {
git symbolic-ref -q HEAD >/dev/null
}
PREV_HEAD_DESC='Previous HEAD position was'
check_orphan_warning() {
test_i18ngrep "you are leaving $2 behind" "$1" &&
test_i18ngrep ! "$PREV_HEAD_DESC" "$1"
}
check_no_orphan_warning() {
test_i18ngrep ! "you are leaving .* commit.*behind" "$1" &&
test_i18ngrep "$PREV_HEAD_DESC" "$1"
}
reset () {
git checkout master &&
check_not_detached
}
test_expect_success 'setup' '
test_commit one &&
test_commit two &&
test_commit three && git tag -d three &&
test_commit four && git tag -d four &&
git branch branch &&
git tag tag
'
test_expect_success 'checkout branch does not detach' '
reset &&
git checkout branch &&
check_not_detached
'
test_expect_success 'checkout tag detaches' '
reset &&
git checkout tag &&
check_detached
'
test_expect_success 'checkout branch by full name detaches' '
reset &&
git checkout refs/heads/branch &&
check_detached
'
test_expect_success 'checkout non-ref detaches' '
reset &&
git checkout branch^ &&
check_detached
'
test_expect_success 'checkout ref^0 detaches' '
reset &&
git checkout branch^0 &&
check_detached
'
test_expect_success 'checkout --detach detaches' '
reset &&
git checkout --detach branch &&
check_detached
'
test_expect_success 'checkout --detach without branch name' '
reset &&
git checkout --detach &&
check_detached
'
test_expect_success 'checkout --detach errors out for non-commit' '
reset &&
test_must_fail git checkout --detach one^{tree} &&
check_not_detached
'
test_expect_success 'checkout --detach errors out for extra argument' '
reset &&
git checkout master &&
test_must_fail git checkout --detach tag one.t &&
check_not_detached
'
test_expect_success 'checkout --detached and -b are incompatible' '
reset &&
test_must_fail git checkout --detach -b newbranch tag &&
check_not_detached
'
test_expect_success 'checkout --detach moves HEAD' '
reset &&
git checkout one &&
git checkout --detach two &&
git diff --exit-code HEAD &&
git diff --exit-code two
'
test_expect_success 'checkout warns on orphan commits' '
reset &&
git checkout --detach two &&
echo content >orphan &&
git add orphan &&
git commit -a -m orphan1 &&
echo new content >orphan &&
git commit -a -m orphan2 &&
orphan2=$(git rev-parse HEAD) &&
git checkout master 2>stderr
'
test_expect_success 'checkout warns on orphan commits: output' '
check_orphan_warning stderr "2 commits"
'
test_expect_success 'checkout warns orphaning 1 of 2 commits' '
git checkout "$orphan2" &&
git checkout HEAD^ 2>stderr
'
test_expect_success 'checkout warns orphaning 1 of 2 commits: output' '
check_orphan_warning stderr "1 commit"
'
test_expect_success 'checkout does not warn leaving ref tip' '
reset &&
git checkout --detach two &&
git checkout master 2>stderr
'
test_expect_success 'checkout does not warn leaving ref tip' '
check_no_orphan_warning stderr
'
test_expect_success 'checkout does not warn leaving reachable commit' '
reset &&
git checkout --detach HEAD^ &&
git checkout master 2>stderr
'
test_expect_success 'checkout does not warn leaving reachable commit' '
check_no_orphan_warning stderr
'
cat >expect <<'EOF'
Your branch is behind 'master' by 1 commit, and can be fast-forwarded.
(use "git pull" to update your local branch)
EOF
test_expect_success 'tracking count is accurate after orphan check' '
reset &&
git branch child master^ &&
git config branch.child.remote . &&
git config branch.child.merge refs/heads/master &&
git checkout child^ &&
git checkout child >stdout &&
test_i18ncmp expect stdout
'
test_expect_success 'no advice given for explicit detached head state' '
# baseline
test_config advice.detachedHead true &&
git checkout child && git checkout HEAD^0 >expect.advice 2>&1 &&
test_config advice.detachedHead false &&
git checkout child && git checkout HEAD^0 >expect.no-advice 2>&1 &&
test_unconfig advice.detachedHead &&
# without configuration, the advice.* variables default to true
git checkout child && git checkout HEAD^0 >actual 2>&1 &&
test_cmp expect.advice actual &&
# with explicit --detach
# no configuration
test_unconfig advice.detachedHead &&
git checkout child && git checkout --detach HEAD^0 >actual 2>&1 &&
test_cmp expect.no-advice actual &&
# explicitly decline advice
test_config advice.detachedHead false &&
git checkout child && git checkout --detach HEAD^0 >actual 2>&1 &&
test_cmp expect.no-advice actual
'
test_done
|
