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_grep "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_grep "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_grep "warning: refs/remotes/origin/branch1 usually tracks refs/heads/branch1, not refs/heads/branch2" error &&
  82                 test_grep "warning: refs/remotes/origin/branch2 usually tracks refs/heads/branch2, not refs/heads/branch1" error
  83         )
  84 '
  85
  86 test_done