Merge branch 'jk/index-pack-threading-races'
[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 verify_stderr () {
22         cat >expected &&
23         # We're not interested in the error
24         # "fatal: The remote end hung up unexpectedly":
25         grep -E '^(fatal|warning):' <error | grep -v 'hung up' >actual | sort &&
26         test_cmp expected actual
27 }
28
29 test_expect_success 'setup' '
30         git commit --allow-empty -m "Initial" &&
31         git branch branch1 &&
32         git tag tag1 &&
33         git commit --allow-empty -m "First" &&
34         git branch branch2 &&
35         git tag tag2
36 '
37
38 test_expect_success 'fetch with no conflict' '
39         setup_repository ok "+refs/heads/*:refs/remotes/origin/*" && (
40                 cd ok &&
41                 git fetch origin
42         )
43 '
44
45 test_expect_success 'fetch conflict: config vs. config' '
46         setup_repository ccc \
47                 "+refs/heads/branch1:refs/remotes/origin/branch1" \
48                 "+refs/heads/branch2:refs/remotes/origin/branch1" && (
49                 cd ccc &&
50                 test_must_fail git fetch origin 2>error &&
51                 verify_stderr <<-\EOF
52                 fatal: Cannot fetch both refs/heads/branch1 and refs/heads/branch2 to refs/remotes/origin/branch1
53                 EOF
54         )
55 '
56
57 test_expect_success 'fetch duplicate: config vs. config' '
58         setup_repository dcc \
59                 "+refs/heads/*:refs/remotes/origin/*" \
60                 "+refs/heads/branch1:refs/remotes/origin/branch1" && (
61                 cd dcc &&
62                 git fetch origin
63         )
64 '
65
66 test_expect_success 'fetch conflict: arg overrides config' '
67         setup_repository aoc \
68                 "+refs/heads/*:refs/remotes/origin/*" && (
69                 cd aoc &&
70                 git fetch origin refs/heads/branch2:refs/remotes/origin/branch1
71         )
72 '
73
74 test_expect_success 'fetch conflict: arg vs. arg' '
75         setup_repository caa && (
76                 cd caa &&
77                 test_must_fail git fetch origin \
78                         refs/heads/*:refs/remotes/origin/* \
79                         refs/heads/branch2:refs/remotes/origin/branch1 2>error &&
80                 verify_stderr <<-\EOF
81                 fatal: Cannot fetch both refs/heads/branch1 and refs/heads/branch2 to refs/remotes/origin/branch1
82                 EOF
83         )
84 '
85
86 test_expect_success 'fetch conflict: criss-cross args' '
87         setup_repository xaa \
88                 "+refs/heads/*:refs/remotes/origin/*" && (
89                 cd xaa &&
90                 git fetch origin \
91                         refs/heads/branch1:refs/remotes/origin/branch2 \
92                         refs/heads/branch2:refs/remotes/origin/branch1 2>error &&
93                 verify_stderr <<-\EOF
94                 warning: refs/remotes/origin/branch1 usually tracks refs/heads/branch1, not refs/heads/branch2
95                 warning: refs/remotes/origin/branch2 usually tracks refs/heads/branch2, not refs/heads/branch1
96                 EOF
97         )
98 '
99
100 test_done