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