t/t5582-fetch-negative-refspec.sh

   1 #!/bin/sh
   2 # Copyright (c) 2020, Jacob Keller.
   3
   4 test_description='"git fetch" with negative refspecs.
   5
   6 '
   7
   8 . ./test-lib.sh
   9
  10 test_expect_success setup '
  11         echo >file original &&
  12         git add file &&
  13         git commit -a -m original
  14 '
  15
  16 test_expect_success "clone and setup child repos" '
  17         git clone . one &&
  18         (
  19                 cd one &&
  20                 echo >file updated by one &&
  21                 git commit -a -m "updated by one" &&
  22                 git switch -c alternate &&
  23                 echo >file updated again by one &&
  24                 git commit -a -m "updated by one again" &&
  25                 git switch master
  26         ) &&
  27         git clone . two &&
  28         (
  29                 cd two &&
  30                 git config branch.master.remote one &&
  31                 git config remote.one.url ../one/.git/ &&
  32                 git config remote.one.fetch +refs/heads/*:refs/remotes/one/* &&
  33                 git config --add remote.one.fetch ^refs/heads/alternate
  34         ) &&
  35         git clone . three
  36 '
  37
  38 test_expect_success "fetch one" '
  39         echo >file updated by origin &&
  40         git commit -a -m "updated by origin" &&
  41         (
  42                 cd two &&
  43                 test_must_fail git rev-parse --verify refs/remotes/one/alternate &&
  44                 git fetch one &&
  45                 test_must_fail git rev-parse --verify refs/remotes/one/alternate &&
  46                 git rev-parse --verify refs/remotes/one/master &&
  47                 mine=$(git rev-parse refs/remotes/one/master) &&
  48                 his=$(cd ../one && git rev-parse refs/heads/master) &&
  49                 test "z$mine" = "z$his"
  50         )
  51 '
  52
  53 test_expect_success "fetch with negative refspec on commandline" '
  54         echo >file updated by origin again &&
  55         git commit -a -m "updated by origin again" &&
  56         (
  57                 cd three &&
  58                 alternate_in_one=$(cd ../one && git rev-parse refs/heads/alternate) &&
  59                 echo $alternate_in_one >expect &&
  60                 git fetch ../one/.git refs/heads/*:refs/remotes/one/* ^refs/heads/master &&
  61                 cut -f -1 .git/FETCH_HEAD >actual &&
  62                 test_cmp expect actual
  63         )
  64 '
  65
  66 test_expect_success "fetch with negative sha1 refspec fails" '
  67         echo >file updated by origin yet again &&
  68         git commit -a -m "updated by origin yet again" &&
  69         (
  70                 cd three &&
  71                 master_in_one=$(cd ../one && git rev-parse refs/heads/master) &&
  72                 test_must_fail git fetch ../one/.git refs/heads/*:refs/remotes/one/* ^$master_in_one
  73         )
  74 '
  75
  76 test_expect_success "fetch with negative pattern refspec" '
  77         echo >file updated by origin once more &&
  78         git commit -a -m "updated by origin once more" &&
  79         (
  80                 cd three &&
  81                 alternate_in_one=$(cd ../one && git rev-parse refs/heads/alternate) &&
  82                 echo $alternate_in_one >expect &&
  83                 git fetch ../one/.git refs/heads/*:refs/remotes/one/* ^refs/heads/m* &&
  84                 cut -f -1 .git/FETCH_HEAD >actual &&
  85                 test_cmp expect actual
  86         )
  87 '
  88
  89 test_expect_success "fetch with negative pattern refspec does not expand prefix" '
  90         echo >file updated by origin another time &&
  91         git commit -a -m "updated by origin another time" &&
  92         (
  93                 cd three &&
  94                 alternate_in_one=$(cd ../one && git rev-parse refs/heads/alternate) &&
  95                 master_in_one=$(cd ../one && git rev-parse refs/heads/master) &&
  96                 echo $alternate_in_one >expect &&
  97                 echo $master_in_one >>expect &&
  98                 git fetch ../one/.git refs/heads/*:refs/remotes/one/* ^master &&
  99                 cut -f -1 .git/FETCH_HEAD >actual &&
 100                 test_cmp expect actual
 101         )
 102 '
 103
 104 test_expect_success "fetch with negative refspec avoids duplicate conflict" '
 105         cd "$D" &&
 106         (
 107                 cd one &&
 108                 git branch dups/a &&
 109                 git branch dups/b &&
 110                 git branch dups/c &&
 111                 git branch other/a &&
 112                 git rev-parse --verify refs/heads/other/a >../expect &&
 113                 git rev-parse --verify refs/heads/dups/b >>../expect &&
 114                 git rev-parse --verify refs/heads/dups/c >>../expect
 115         ) &&
 116         (
 117                 cd three &&
 118                 git fetch ../one/.git ^refs/heads/dups/a refs/heads/dups/*:refs/dups/* refs/heads/other/a:refs/dups/a &&
 119                 git rev-parse --verify refs/dups/a >../actual &&
 120                 git rev-parse --verify refs/dups/b >>../actual &&
 121                 git rev-parse --verify refs/dups/c >>../actual
 122         ) &&
 123         test_cmp expect actual
 124 '
 125
 126 test_expect_success "push --prune with negative refspec" '
 127         (
 128                 cd two &&
 129                 git branch prune/a &&
 130                 git branch prune/b &&
 131                 git branch prune/c &&
 132                 git push ../three refs/heads/prune/* &&
 133                 git branch -d prune/a &&
 134                 git branch -d prune/b &&
 135                 git push --prune ../three refs/heads/prune/* ^refs/heads/prune/b
 136         ) &&
 137         (
 138                 cd three &&
 139                 test_write_lines b c >expect &&
 140                 git for-each-ref --format="%(refname:lstrip=3)" refs/heads/prune/ >actual &&
 141                 test_cmp expect actual
 142         )
 143 '
 144
 145 test_expect_success "push --prune with negative refspec apply to the destination" '
 146         (
 147                 cd two &&
 148                 git branch ours/a &&
 149                 git branch ours/b &&
 150                 git branch ours/c &&
 151                 git push ../three refs/heads/ours/*:refs/heads/theirs/* &&
 152                 git branch -d ours/a &&
 153                 git branch -d ours/b &&
 154                 git push --prune ../three refs/heads/ours/*:refs/heads/theirs/* ^refs/heads/theirs/b
 155         ) &&
 156         (
 157                 cd three &&
 158                 test_write_lines b c >expect &&
 159                 git for-each-ref --format="%(refname:lstrip=3)" refs/heads/theirs/ >actual &&
 160                 test_cmp expect actual
 161         )
 162 '
 163
 164 test_expect_success "fetch --prune with negative refspec" '
 165         (
 166                 cd two &&
 167                 git branch fetch/a &&
 168                 git branch fetch/b &&
 169                 git branch fetch/c
 170         ) &&
 171         (
 172                 cd three &&
 173                 git fetch ../two/.git refs/heads/fetch/*:refs/heads/copied/*
 174         ) &&
 175         (
 176                 cd two &&
 177                 git branch -d fetch/a &&
 178                 git branch -d fetch/b
 179         ) &&
 180         (
 181                 cd three &&
 182                 test_write_lines b c >expect &&
 183                 git fetch -v ../two/.git --prune refs/heads/fetch/*:refs/heads/copied/* ^refs/heads/fetch/b &&
 184                 git for-each-ref --format="%(refname:lstrip=3)" refs/heads/copied/ >actual &&
 185                 test_cmp expect actual
 186         )
 187 '
 188
 189 test_expect_success "push with matching : and negative refspec" '
 190         # Manually handle cleanup, since test_config is not
 191         # prepared to take arbitrary options like --add
 192         test_when_finished "test_unconfig -C two remote.one.push" &&
 193
 194         # For convenience, we use "master" to refer to the name of
 195         # the branch created by default in the following.
 196         #
 197         # Repositories two and one have branches other than "master"
 198         # but they have no overlap---"master" is the only one that
 199         # is shared between them.  And the master branch at two is
 200         # behind the master branch at one by one commit.
 201         git -C two config --add remote.one.push : &&
 202
 203         # A matching push tries to update master, fails due to non-ff
 204         test_must_fail git -C two push one &&
 205
 206         # "master" may actually not be "master"---find it out.
 207         current=$(git symbolic-ref HEAD) &&
 208
 209         # If master is in negative refspec, then the command will not attempt
 210         # to push and succeed.
 211         git -C two config --add remote.one.push "^$current" &&
 212
 213         # With "master" excluded, this push is a no-op.  Nothing gets
 214         # pushed and it succeeds.
 215         git -C two push -v one
 216 '
 217
 218 test_expect_success "push with matching +: and negative refspec" '
 219         test_when_finished "test_unconfig -C two remote.one.push" &&
 220
 221         # The same set-up as above, whose side-effect was a no-op.
 222         git -C two config --add remote.one.push +: &&
 223
 224         # The push refuses to update the "master" branch that is checked
 225         # out in the "one" repository, even when it is forced with +:
 226         test_must_fail git -C two push one &&
 227
 228         # "master" may actually not be "master"---find it out.
 229         current=$(git symbolic-ref HEAD) &&
 230
 231         # If master is in negative refspec, then the command will not attempt
 232         # to push and succeed
 233         git -C two config --add remote.one.push "^$current" &&
 234
 235         # With "master" excluded, this push is a no-op.  Nothing gets
 236         # pushed and it succeeds.
 237         git -C two push -v one
 238 '
 239
 240 test_done