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