commit-graph: when incompatible with graphs, indicate why
[git] / t / t5536-fetch-conflicts.sh
1 #!/bin/sh
2
3 test_description='fetch handles conflicting refspecs correctly'
4
5 . ./test-lib.sh
6
7 D=$(pwd)
8
9 setup_repository () {
10         git init "$1" && (
11                 cd "$1" &&
12                 git config remote.origin.url "$D" &&
13                 shift &&
14                 for refspec in "$@"
15                 do
16                         git config --add remote.origin.fetch "$refspec"
17                 done
18         )
19 }
20
21 test_expect_success 'setup' '
22         git commit --allow-empty -m "Initial" &&
23         git branch branch1 &&
24         git tag tag1 &&
25         git commit --allow-empty -m "First" &&
26         git branch branch2 &&
27         git tag tag2
28 '
29
30 test_expect_success 'fetch with no conflict' '
31         setup_repository ok "+refs/heads/*:refs/remotes/origin/*" && (
32                 cd ok &&
33                 git fetch origin
34         )
35 '
36
37 test_expect_success 'fetch conflict: config vs. config' '
38         setup_repository ccc \
39                 "+refs/heads/branch1:refs/remotes/origin/branch1" \
40                 "+refs/heads/branch2:refs/remotes/origin/branch1" && (
41                 cd ccc &&
42                 test_must_fail git fetch origin 2>error &&
43                 test_i18ngrep "fatal: Cannot fetch both refs/heads/branch1 and refs/heads/branch2 to refs/remotes/origin/branch1" error
44         )
45 '
46
47 test_expect_success 'fetch duplicate: config vs. config' '
48         setup_repository dcc \
49                 "+refs/heads/*:refs/remotes/origin/*" \
50                 "+refs/heads/branch1:refs/remotes/origin/branch1" && (
51                 cd dcc &&
52                 git fetch origin
53         )
54 '
55
56 test_expect_success 'fetch conflict: arg overrides config' '
57         setup_repository aoc \
58                 "+refs/heads/*:refs/remotes/origin/*" && (
59                 cd aoc &&
60                 git fetch origin refs/heads/branch2:refs/remotes/origin/branch1
61         )
62 '
63
64 test_expect_success 'fetch conflict: arg vs. arg' '
65         setup_repository caa && (
66                 cd caa &&
67                 test_must_fail git fetch origin \
68                         refs/heads/*:refs/remotes/origin/* \
69                         refs/heads/branch2:refs/remotes/origin/branch1 2>error &&
70                 test_i18ngrep "fatal: Cannot fetch both refs/heads/branch1 and refs/heads/branch2 to refs/remotes/origin/branch1" error
71         )
72 '
73
74 test_expect_success 'fetch conflict: criss-cross args' '
75         setup_repository xaa \
76                 "+refs/heads/*:refs/remotes/origin/*" && (
77                 cd xaa &&
78                 git fetch origin \
79                         refs/heads/branch1:refs/remotes/origin/branch2 \
80                         refs/heads/branch2:refs/remotes/origin/branch1 2>error &&
81                 test_i18ngrep "warning: refs/remotes/origin/branch1 usually tracks refs/heads/branch1, not refs/heads/branch2" error &&
82                 test_i18ngrep "warning: refs/remotes/origin/branch2 usually tracks refs/heads/branch2, not refs/heads/branch1" error
83         )
84 '
85
86 test_done