t/t5150-request-pull.sh

   1 #!/bin/sh
   2
   3 test_description='Test workflows involving pull request.'
   4
   5 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   6 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   7
   8 TEST_PASSES_SANITIZE_LEAK=true
   9 . ./test-lib.sh
  10
  11 if ! test_have_prereq PERL
  12 then
  13         skip_all='skipping request-pull tests, perl not available'
  14         test_done
  15 fi
  16
  17 test_expect_success 'setup' '
  18
  19         git init --bare upstream.git &&
  20         git init --bare downstream.git &&
  21         git clone upstream.git upstream-private &&
  22         git clone downstream.git local &&
  23
  24         trash_url="file://$TRASH_DIRECTORY" &&
  25         downstream_url="$trash_url/downstream.git/" &&
  26         upstream_url="$trash_url/upstream.git/" &&
  27
  28         (
  29                 cd upstream-private &&
  30                 cat <<-\EOT >mnemonic.txt &&
  31                 Thirtey days hath November,
  32                 Aprile, June, and September:
  33                 EOT
  34                 git add mnemonic.txt &&
  35                 test_tick &&
  36                 git commit -m "\"Thirty days\", a reminder of month lengths" &&
  37                 git tag -m "version 1" -a initial &&
  38                 git push --tags origin main
  39         ) &&
  40         (
  41                 cd local &&
  42                 git remote add upstream "$trash_url/upstream.git" &&
  43                 git fetch upstream &&
  44                 git pull upstream main &&
  45                 cat <<-\EOT >>mnemonic.txt &&
  46                 Of twyecescore-eightt is but eine,
  47                 And all the remnante be thrycescore-eine.
  48                 O’course Leap yare comes an’pynes,
  49                 Ev’rie foure yares, gote it ryghth.
  50                 An’twyecescore-eight is but twyecescore-nyne.
  51                 EOT
  52                 git add mnemonic.txt &&
  53                 test_tick &&
  54                 git commit -m "More detail" &&
  55                 git tag -m "version 2" -a full &&
  56                 git checkout -b simplify HEAD^ &&
  57                 mv mnemonic.txt mnemonic.standard &&
  58                 cat <<-\EOT >mnemonic.clarified &&
  59                 Thirty days has September,
  60                 All the rest I can’t remember.
  61                 EOT
  62                 git add -N mnemonic.standard mnemonic.clarified &&
  63                 git commit -a -m "Adapt to use modern, simpler English
  64
  65 But keep the old version, too, in case some people prefer it." &&
  66                 git checkout main
  67         )
  68
  69 '
  70
  71 test_expect_success 'setup: two scripts for reading pull requests' '
  72
  73         downstream_url_for_sed=$(
  74                 printf "%s\n" "$downstream_url" |
  75                 sed -e '\''s/\\/\\\\/g'\'' -e '\''s/[[/.*^$]/\\&/g'\''
  76         ) &&
  77
  78         cat <<-\EOT >read-request.sed &&
  79         #!/bin/sed -nf
  80         # Note that a request could ask for "tag $tagname"
  81         / in the Git repository at:$/!d
  82         n
  83         /^$/ n
  84         s/ tag \([^ ]*\)$/ tag--\1/
  85         s/^[    ]*\(.*\) \([^ ]*\)/please pull\
  86         \1\
  87         \2/p
  88         q
  89         EOT
  90
  91         cat <<-EOT >fuzz.sed
  92         #!/bin/sed -nf
  93         s/$downstream_url_for_sed/URL/g
  94         s/$OID_REGEX/OBJECT_NAME/g
  95         s/A U Thor/AUTHOR/g
  96         s/[-0-9]\{10\} [:0-9]\{8\} [-+][0-9]\{4\}/DATE/g
  97         s/        [^ ].*/        SUBJECT/g
  98         s/  [^ ].* (DATE)/  SUBJECT (DATE)/g
  99         s|tags/full|BRANCH|g
 100         s/mnemonic.txt/FILENAME/g
 101         s/^version [0-9]/VERSION/
 102         /^ FILENAME | *[0-9]* [-+]*\$/ b diffstat
 103         /^AUTHOR ([0-9]*):\$/ b shortlog
 104         p
 105         b
 106         : diffstat
 107         n
 108         / [0-9]* files* changed/ {
 109                 a\\
 110         DIFFSTAT
 111                 b
 112         }
 113         b diffstat
 114         : shortlog
 115         /^        [a-zA-Z]/ n
 116         /^[a-zA-Z]* ([0-9]*):\$/ n
 117         /^\$/ N
 118         /^\n[a-zA-Z]* ([0-9]*):\$/!{
 119                 a\\
 120         SHORTLOG
 121                 D
 122         }
 123         n
 124         b shortlog
 125         EOT
 126
 127 '
 128
 129 test_expect_success 'pull request when forgot to push' '
 130
 131         rm -fr downstream.git &&
 132         git init --bare downstream.git &&
 133         (
 134                 cd local &&
 135                 git checkout initial &&
 136                 git merge --ff-only main &&
 137                 test_must_fail git request-pull initial "$downstream_url" \
 138                         2>../err
 139         ) &&
 140         grep "No match for commit .*" err &&
 141         grep "Are you sure you pushed" err
 142
 143 '
 144
 145 test_expect_success 'pull request after push' '
 146
 147         rm -fr downstream.git &&
 148         git init --bare downstream.git &&
 149         (
 150                 cd local &&
 151                 git checkout initial &&
 152                 git merge --ff-only main &&
 153                 git push origin main:for-upstream &&
 154                 git request-pull initial origin main:for-upstream >../request
 155         ) &&
 156         sed -nf read-request.sed <request >digest &&
 157         {
 158                 read task &&
 159                 read repository &&
 160                 read branch
 161         } <digest &&
 162         (
 163                 cd upstream-private &&
 164                 git checkout initial &&
 165                 git pull --ff-only "$repository" "$branch"
 166         ) &&
 167         test "$branch" = for-upstream &&
 168         test_cmp local/mnemonic.txt upstream-private/mnemonic.txt
 169
 170 '
 171
 172 test_expect_success 'request asks HEAD to be pulled' '
 173
 174         rm -fr downstream.git &&
 175         git init --bare downstream.git &&
 176         (
 177                 cd local &&
 178                 git checkout initial &&
 179                 git merge --ff-only main &&
 180                 git push --tags origin main simplify &&
 181                 git push origin main:for-upstream &&
 182                 git request-pull initial "$downstream_url" >../request
 183         ) &&
 184         sed -nf read-request.sed <request >digest &&
 185         {
 186                 read task &&
 187                 read repository &&
 188                 read branch
 189         } <digest &&
 190         test -z "$branch"
 191
 192 '
 193
 194 test_expect_success 'pull request format' '
 195
 196         rm -fr downstream.git &&
 197         git init --bare downstream.git &&
 198         cat <<-\EOT >expect &&
 199         The following changes since commit OBJECT_NAME:
 200
 201           SUBJECT (DATE)
 202
 203         are available in the Git repository at:
 204
 205           URL BRANCH
 206
 207         for you to fetch changes up to OBJECT_NAME:
 208
 209           SUBJECT (DATE)
 210
 211         ----------------------------------------------------------------
 212         VERSION
 213
 214         ----------------------------------------------------------------
 215         SHORTLOG
 216
 217         DIFFSTAT
 218         EOT
 219         (
 220                 cd local &&
 221                 git checkout initial &&
 222                 git merge --ff-only main &&
 223                 git push origin tags/full &&
 224                 git request-pull initial "$downstream_url" tags/full >../request
 225         ) &&
 226         <request sed -nf fuzz.sed >request.fuzzy &&
 227         test_cmp expect request.fuzzy &&
 228
 229         (
 230                 cd local &&
 231                 git request-pull initial "$downstream_url" tags/full:refs/tags/full
 232         ) >request &&
 233         sed -nf fuzz.sed <request >request.fuzzy &&
 234         test_cmp expect request.fuzzy &&
 235
 236         (
 237                 cd local &&
 238                 git request-pull initial "$downstream_url" full
 239         ) >request &&
 240         grep " tags/full\$" request
 241 '
 242
 243 test_expect_success 'request-pull ignores OPTIONS_KEEPDASHDASH poison' '
 244
 245         (
 246                 cd local &&
 247                 OPTIONS_KEEPDASHDASH=Yes &&
 248                 export OPTIONS_KEEPDASHDASH &&
 249                 git checkout initial &&
 250                 git merge --ff-only main &&
 251                 git push origin main:for-upstream &&
 252                 git request-pull -- initial "$downstream_url" main:for-upstream >../request
 253         )
 254
 255 '
 256
 257 test_expect_success 'request-pull quotes regex metacharacters properly' '
 258
 259         rm -fr downstream.git &&
 260         git init --bare downstream.git &&
 261         (
 262                 cd local &&
 263                 git checkout initial &&
 264                 git merge --ff-only main &&
 265                 git tag -mrelease v2.0 &&
 266                 git push origin refs/tags/v2.0:refs/tags/v2-0 &&
 267                 test_must_fail git request-pull initial "$downstream_url" tags/v2.0 \
 268                         2>../err
 269         ) &&
 270         grep "No match for commit .*" err &&
 271         grep "Are you sure you pushed" err
 272
 273 '
 274
 275 test_expect_success 'pull request with mismatched object' '
 276
 277         rm -fr downstream.git &&
 278         git init --bare downstream.git &&
 279         (
 280                 cd local &&
 281                 git checkout initial &&
 282                 git merge --ff-only main &&
 283                 git push origin HEAD:refs/tags/full &&
 284                 test_must_fail git request-pull initial "$downstream_url" tags/full \
 285                         2>../err
 286         ) &&
 287         grep "points to a different object" err &&
 288         grep "Are you sure you pushed" err
 289
 290 '
 291
 292 test_expect_success 'pull request with stale object' '
 293
 294         rm -fr downstream.git &&
 295         git init --bare downstream.git &&
 296         (
 297                 cd local &&
 298                 git checkout initial &&
 299                 git merge --ff-only main &&
 300                 git push origin refs/tags/full &&
 301                 git tag -f -m"Thirty-one days" full &&
 302                 test_must_fail git request-pull initial "$downstream_url" tags/full \
 303                         2>../err
 304         ) &&
 305         grep "points to a different object" err &&
 306         grep "Are you sure you pushed" err
 307
 308 '
 309
 310 test_done