t/t5400-send-pack.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Junio C Hamano
   4 #
   5
   6 test_description='See why rewinding head breaks send-pack
   7
   8 '
   9 . ./test-lib.sh
  10
  11 cnt=64
  12 test_expect_success setup '
  13         test_tick &&
  14         mkdir mozart mozart/is &&
  15         echo "Commit #0" >mozart/is/pink &&
  16         git update-index --add mozart/is/pink &&
  17         tree=$(git write-tree) &&
  18         commit=$(echo "Commit #0" | git commit-tree $tree) &&
  19         zero=$commit &&
  20         parent=$zero &&
  21         i=0 &&
  22         while test $i -le $cnt
  23         do
  24             i=$(($i+1)) &&
  25             test_tick &&
  26             echo "Commit #$i" >mozart/is/pink &&
  27             git update-index --add mozart/is/pink &&
  28             tree=$(git write-tree) &&
  29             commit=$(echo "Commit #$i" | git commit-tree $tree -p $parent) &&
  30             git update-ref refs/tags/commit$i $commit &&
  31             parent=$commit || return 1
  32         done &&
  33         git update-ref HEAD "$commit" &&
  34         git clone ./. victim &&
  35         ( cd victim && git config receive.denyCurrentBranch warn && git log ) &&
  36         git update-ref HEAD "$zero" &&
  37         parent=$zero &&
  38         i=0 &&
  39         while test $i -le $cnt
  40         do
  41             i=$(($i+1)) &&
  42             test_tick &&
  43             echo "Rebase #$i" >mozart/is/pink &&
  44             git update-index --add mozart/is/pink &&
  45             tree=$(git write-tree) &&
  46             commit=$(echo "Rebase #$i" | git commit-tree $tree -p $parent) &&
  47             git update-ref refs/tags/rebase$i $commit &&
  48             parent=$commit || return 1
  49         done &&
  50         git update-ref HEAD "$commit" &&
  51         echo Rebase &&
  52         git log'
  53
  54 test_expect_success 'pack the source repository' '
  55         git repack -a -d &&
  56         git prune
  57 '
  58
  59 test_expect_success 'pack the destination repository' '
  60     (
  61         cd victim &&
  62         git repack -a -d &&
  63         git prune
  64     )
  65 '
  66
  67 test_expect_success 'refuse pushing rewound head without --force' '
  68         pushed_head=$(git rev-parse --verify master) &&
  69         victim_orig=$(cd victim && git rev-parse --verify master) &&
  70         test_must_fail git send-pack ./victim master &&
  71         victim_head=$(cd victim && git rev-parse --verify master) &&
  72         test "$victim_head" = "$victim_orig" &&
  73         # this should update
  74         git send-pack --force ./victim master &&
  75         victim_head=$(cd victim && git rev-parse --verify master) &&
  76         test "$victim_head" = "$pushed_head"
  77 '
  78
  79 test_expect_success 'push can be used to delete a ref' '
  80         ( cd victim && git branch extra master ) &&
  81         git send-pack ./victim :extra master &&
  82         ( cd victim &&
  83           test_must_fail git rev-parse --verify extra )
  84 '
  85
  86 test_expect_success 'refuse deleting push with denyDeletes' '
  87         (
  88             cd victim &&
  89             ( git branch -D extra || : ) &&
  90             git config receive.denyDeletes true &&
  91             git branch extra master
  92         ) &&
  93         test_must_fail git send-pack ./victim :extra master
  94 '
  95
  96 test_expect_success 'cannot override denyDeletes with git -c send-pack' '
  97         (
  98                 cd victim &&
  99                 test_might_fail git branch -D extra &&
 100                 git config receive.denyDeletes true &&
 101                 git branch extra master
 102         ) &&
 103         test_must_fail git -c receive.denyDeletes=false \
 104                                         send-pack ./victim :extra master
 105 '
 106
 107 test_expect_success 'override denyDeletes with git -c receive-pack' '
 108         (
 109                 cd victim &&
 110                 test_might_fail git branch -D extra &&
 111                 git config receive.denyDeletes true &&
 112                 git branch extra master
 113         ) &&
 114         git send-pack \
 115                 --receive-pack="git -c receive.denyDeletes=false receive-pack" \
 116                 ./victim :extra master
 117 '
 118
 119 test_expect_success 'denyNonFastforwards trumps --force' '
 120         (
 121             cd victim &&
 122             ( git branch -D extra || : ) &&
 123             git config receive.denyNonFastforwards true
 124         ) &&
 125         victim_orig=$(cd victim && git rev-parse --verify master) &&
 126         test_must_fail git send-pack --force ./victim master^:master &&
 127         victim_head=$(cd victim && git rev-parse --verify master) &&
 128         test "$victim_orig" = "$victim_head"
 129 '
 130
 131 test_expect_success 'send-pack --all sends all branches' '
 132         # make sure we have at least 2 branches with different
 133         # values, just to be thorough
 134         git branch other-branch HEAD^ &&
 135
 136         git init --bare all.git &&
 137         git send-pack --all all.git &&
 138         git for-each-ref refs/heads >expect &&
 139         git -C all.git for-each-ref refs/heads >actual &&
 140         test_cmp expect actual
 141 '
 142
 143 test_expect_success 'push --all excludes remote-tracking hierarchy' '
 144         mkdir parent &&
 145         (
 146             cd parent &&
 147             git init && : >file && git add file && git commit -m add
 148         ) &&
 149         git clone parent child &&
 150         (
 151             cd child && git push --all
 152         ) &&
 153         (
 154             cd parent &&
 155             test -z "$(git for-each-ref refs/remotes/origin)"
 156         )
 157 '
 158
 159 test_expect_success 'receive-pack runs auto-gc in remote repo' '
 160         rm -rf parent child &&
 161         git init parent &&
 162         (
 163             # Setup a repo with 2 packs
 164             cd parent &&
 165             echo "Some text" >file.txt &&
 166             git add . &&
 167             git commit -m "Initial commit" &&
 168             git repack -adl &&
 169             echo "Some more text" >>file.txt &&
 170             git commit -a -m "Second commit" &&
 171             git repack
 172         ) &&
 173         cp -R parent child &&
 174         (
 175             # Set the child to auto-pack if more than one pack exists
 176             cd child &&
 177             git config gc.autopacklimit 1 &&
 178             git config gc.autodetach false &&
 179             git branch test_auto_gc &&
 180             # And create a file that follows the temporary object naming
 181             # convention for the auto-gc to remove
 182             : >.git/objects/tmp_test_object &&
 183             test-chmtime =-1209601 .git/objects/tmp_test_object
 184         ) &&
 185         (
 186             cd parent &&
 187             echo "Even more text" >>file.txt &&
 188             git commit -a -m "Third commit" &&
 189             git send-pack ../child HEAD:refs/heads/test_auto_gc
 190         ) &&
 191         test ! -e child/.git/objects/tmp_test_object
 192 '
 193
 194 rewound_push_setup() {
 195         rm -rf parent child &&
 196         mkdir parent &&
 197         (
 198             cd parent &&
 199             git init &&
 200             echo one >file && git add file && git commit -m one &&
 201             git config receive.denyCurrentBranch warn &&
 202             echo two >file && git commit -a -m two
 203         ) &&
 204         git clone parent child &&
 205         (
 206             cd child && git reset --hard HEAD^
 207         )
 208 }
 209
 210 test_expect_success 'pushing explicit refspecs respects forcing' '
 211         rewound_push_setup &&
 212         parent_orig=$(cd parent && git rev-parse --verify master) &&
 213         (
 214             cd child &&
 215             test_must_fail git send-pack ../parent \
 216                 refs/heads/master:refs/heads/master
 217         ) &&
 218         parent_head=$(cd parent && git rev-parse --verify master) &&
 219         test "$parent_orig" = "$parent_head" &&
 220         (
 221             cd child &&
 222             git send-pack ../parent \
 223                 +refs/heads/master:refs/heads/master
 224         ) &&
 225         parent_head=$(cd parent && git rev-parse --verify master) &&
 226         child_head=$(cd child && git rev-parse --verify master) &&
 227         test "$parent_head" = "$child_head"
 228 '
 229
 230 test_expect_success 'pushing wildcard refspecs respects forcing' '
 231         rewound_push_setup &&
 232         parent_orig=$(cd parent && git rev-parse --verify master) &&
 233         (
 234             cd child &&
 235             test_must_fail git send-pack ../parent \
 236                 "refs/heads/*:refs/heads/*"
 237         ) &&
 238         parent_head=$(cd parent && git rev-parse --verify master) &&
 239         test "$parent_orig" = "$parent_head" &&
 240         (
 241             cd child &&
 242             git send-pack ../parent \
 243                 "+refs/heads/*:refs/heads/*"
 244         ) &&
 245         parent_head=$(cd parent && git rev-parse --verify master) &&
 246         child_head=$(cd child && git rev-parse --verify master) &&
 247         test "$parent_head" = "$child_head"
 248 '
 249
 250 test_expect_success 'deny pushing to delete current branch' '
 251         rewound_push_setup &&
 252         (
 253             cd child &&
 254             test_must_fail git send-pack ../parent :refs/heads/master 2>errs
 255         )
 256 '
 257
 258 extract_ref_advertisement () {
 259         perl -lne '
 260                 # \\ is there to skip capabilities after \0
 261                 /push< ([^\\]+)/ or next;
 262                 exit 0 if $1 eq "0000";
 263                 print $1;
 264         '
 265 }
 266
 267 test_expect_success 'receive-pack de-dupes .have lines' '
 268         git init shared &&
 269         git -C shared commit --allow-empty -m both &&
 270         git clone -s shared fork &&
 271         (
 272                 cd shared &&
 273                 git checkout -b only-shared &&
 274                 git commit --allow-empty -m only-shared &&
 275                 git update-ref refs/heads/foo HEAD
 276         ) &&
 277
 278         # Notable things in this expectation:
 279         #  - local refs are not de-duped
 280         #  - .have does not duplicate locals
 281         #  - .have does not duplicate itself
 282         local=$(git -C fork rev-parse HEAD) &&
 283         shared=$(git -C shared rev-parse only-shared) &&
 284         cat >expect <<-EOF &&
 285         $local refs/heads/master
 286         $local refs/remotes/origin/HEAD
 287         $local refs/remotes/origin/master
 288         $shared .have
 289         EOF
 290
 291         GIT_TRACE_PACKET=$(pwd)/trace git push fork HEAD:foo &&
 292         extract_ref_advertisement <trace >refs &&
 293         test_cmp expect refs
 294 '
 295
 296 test_done