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" |
  30                          git commit-tree $tree -p $parent) &&
  31                 git update-ref refs/tags/commit$i $commit &&
  32                 parent=$commit || return 1
  33         done &&
  34         git update-ref HEAD "$commit" &&
  35         git clone ./. victim &&
  36         ( cd victim && git config receive.denyCurrentBranch warn && git log ) &&
  37         git update-ref HEAD "$zero" &&
  38         parent=$zero &&
  39         i=0 &&
  40         while test $i -le $cnt
  41         do
  42                 i=$(($i+1)) &&
  43                 test_tick &&
  44                 echo "Rebase #$i" >mozart/is/pink &&
  45                 git update-index --add mozart/is/pink &&
  46                 tree=$(git write-tree) &&
  47                 commit=$(echo "Rebase #$i" | git commit-tree $tree -p $parent) &&
  48                 git update-ref refs/tags/rebase$i $commit &&
  49                 parent=$commit || return 1
  50         done &&
  51         git update-ref HEAD "$commit" &&
  52         echo Rebase &&
  53         git log'
  54
  55 test_expect_success 'pack the source repository' '
  56         git repack -a -d &&
  57         git prune
  58 '
  59
  60 test_expect_success 'pack the destination repository' '
  61         (
  62                 cd victim &&
  63                 git repack -a -d &&
  64                 git prune
  65         )
  66 '
  67
  68 test_expect_success 'refuse pushing rewound head without --force' '
  69         pushed_head=$(git rev-parse --verify master) &&
  70         victim_orig=$(cd victim && git rev-parse --verify master) &&
  71         test_must_fail git send-pack ./victim master &&
  72         victim_head=$(cd victim && git rev-parse --verify master) &&
  73         test "$victim_head" = "$victim_orig" &&
  74         # this should update
  75         git send-pack --force ./victim master &&
  76         victim_head=$(cd victim && git rev-parse --verify master) &&
  77         test "$victim_head" = "$pushed_head"
  78 '
  79
  80 test_expect_success 'push can be used to delete a ref' '
  81         ( cd victim && git branch extra master ) &&
  82         git send-pack ./victim :extra master &&
  83         ( cd victim &&
  84           test_must_fail git rev-parse --verify extra )
  85 '
  86
  87 test_expect_success 'refuse deleting push with denyDeletes' '
  88         (
  89                 cd victim &&
  90                 test_might_fail git branch -D extra &&
  91                 git config receive.denyDeletes true &&
  92                 git branch extra master
  93         ) &&
  94         test_must_fail git send-pack ./victim :extra master
  95 '
  96
  97 test_expect_success 'cannot override denyDeletes with git -c send-pack' '
  98         (
  99                 cd victim &&
 100                 test_might_fail git branch -D extra &&
 101                 git config receive.denyDeletes true &&
 102                 git branch extra master
 103         ) &&
 104         test_must_fail git -c receive.denyDeletes=false \
 105                                         send-pack ./victim :extra master
 106 '
 107
 108 test_expect_success 'override denyDeletes with git -c receive-pack' '
 109         (
 110                 cd victim &&
 111                 test_might_fail git branch -D extra &&
 112                 git config receive.denyDeletes true &&
 113                 git branch extra master
 114         ) &&
 115         git send-pack \
 116                 --receive-pack="git -c receive.denyDeletes=false receive-pack" \
 117                 ./victim :extra master
 118 '
 119
 120 test_expect_success 'denyNonFastforwards trumps --force' '
 121         (
 122                 cd victim &&
 123                 test_might_fail git branch -D extra &&
 124                 git config receive.denyNonFastforwards true
 125         ) &&
 126         victim_orig=$(cd victim && git rev-parse --verify master) &&
 127         test_must_fail git send-pack --force ./victim master^:master &&
 128         victim_head=$(cd victim && git rev-parse --verify master) &&
 129         test "$victim_orig" = "$victim_head"
 130 '
 131
 132 test_expect_success 'send-pack --all sends all branches' '
 133         # make sure we have at least 2 branches with different
 134         # values, just to be thorough
 135         git branch other-branch HEAD^ &&
 136
 137         git init --bare all.git &&
 138         git send-pack --all all.git &&
 139         git for-each-ref refs/heads >expect &&
 140         git -C all.git for-each-ref refs/heads >actual &&
 141         test_cmp expect actual
 142 '
 143
 144 test_expect_success 'push --all excludes remote-tracking hierarchy' '
 145         mkdir parent &&
 146         (
 147                 cd parent &&
 148                 git init && : >file && git add file && git commit -m add
 149         ) &&
 150         git clone parent child &&
 151         (
 152                 cd child && git push --all
 153         ) &&
 154         (
 155                 cd parent &&
 156                 test -z "$(git for-each-ref refs/remotes/origin)"
 157         )
 158 '
 159
 160 test_expect_success 'receive-pack runs auto-gc in remote repo' '
 161         rm -rf parent child &&
 162         git init parent &&
 163         (
 164                 # Setup a repo with 2 packs
 165                 cd parent &&
 166                 echo "Some text" >file.txt &&
 167                 git add . &&
 168                 git commit -m "Initial commit" &&
 169                 git repack -adl &&
 170                 echo "Some more text" >>file.txt &&
 171                 git commit -a -m "Second commit" &&
 172                 git repack
 173         ) &&
 174         cp -R parent child &&
 175         (
 176                 # Set the child to auto-pack if more than one pack exists
 177                 cd child &&
 178                 git config gc.autopacklimit 1 &&
 179                 git config gc.autodetach false &&
 180                 git branch test_auto_gc &&
 181                 # And create a file that follows the temporary object naming
 182                 # convention for the auto-gc to remove
 183                 : >.git/objects/tmp_test_object &&
 184                 test-tool chmtime =-1209601 .git/objects/tmp_test_object
 185         ) &&
 186         (
 187                 cd parent &&
 188                 echo "Even more text" >>file.txt &&
 189                 git commit -a -m "Third commit" &&
 190                 git send-pack ../child HEAD:refs/heads/test_auto_gc
 191         ) &&
 192         test ! -e child/.git/objects/tmp_test_object
 193 '
 194
 195 rewound_push_setup() {
 196         rm -rf parent child &&
 197         mkdir parent &&
 198         (
 199                 cd parent &&
 200                 git init &&
 201                 echo one >file && git add file && git commit -m one &&
 202                 git config receive.denyCurrentBranch warn &&
 203                 echo two >file && git commit -a -m two
 204         ) &&
 205         git clone parent child &&
 206         (
 207                 cd child && git reset --hard HEAD^
 208         )
 209 }
 210
 211 test_expect_success 'pushing explicit refspecs respects forcing' '
 212         rewound_push_setup &&
 213         parent_orig=$(cd parent && git rev-parse --verify master) &&
 214         (
 215                 cd child &&
 216                 test_must_fail git send-pack ../parent \
 217                         refs/heads/master:refs/heads/master
 218         ) &&
 219         parent_head=$(cd parent && git rev-parse --verify master) &&
 220         test "$parent_orig" = "$parent_head" &&
 221         (
 222                 cd child &&
 223                 git send-pack ../parent \
 224                         +refs/heads/master:refs/heads/master
 225         ) &&
 226         parent_head=$(cd parent && git rev-parse --verify master) &&
 227         child_head=$(cd child && git rev-parse --verify master) &&
 228         test "$parent_head" = "$child_head"
 229 '
 230
 231 test_expect_success 'pushing wildcard refspecs respects forcing' '
 232         rewound_push_setup &&
 233         parent_orig=$(cd parent && git rev-parse --verify master) &&
 234         (
 235                 cd child &&
 236                 test_must_fail git send-pack ../parent \
 237                         "refs/heads/*:refs/heads/*"
 238         ) &&
 239         parent_head=$(cd parent && git rev-parse --verify master) &&
 240         test "$parent_orig" = "$parent_head" &&
 241         (
 242                 cd child &&
 243                 git send-pack ../parent \
 244                         "+refs/heads/*:refs/heads/*"
 245         ) &&
 246         parent_head=$(cd parent && git rev-parse --verify master) &&
 247         child_head=$(cd child && git rev-parse --verify master) &&
 248         test "$parent_head" = "$child_head"
 249 '
 250
 251 test_expect_success 'deny pushing to delete current branch' '
 252         rewound_push_setup &&
 253         (
 254                 cd child &&
 255                 test_must_fail git send-pack ../parent :refs/heads/master 2>errs
 256         )
 257 '
 258
 259 extract_ref_advertisement () {
 260         perl -lne '
 261                 # \\ is there to skip capabilities after \0
 262                 /push< ([^\\]+)/ or next;
 263                 exit 0 if $1 eq "0000";
 264                 print $1;
 265         '
 266 }
 267
 268 test_expect_success 'receive-pack de-dupes .have lines' '
 269         git init shared &&
 270         git -C shared commit --allow-empty -m both &&
 271         git clone -s shared fork &&
 272         (
 273                 cd shared &&
 274                 git checkout -b only-shared &&
 275                 git commit --allow-empty -m only-shared &&
 276                 git update-ref refs/heads/foo HEAD
 277         ) &&
 278
 279         # Notable things in this expectation:
 280         #  - local refs are not de-duped
 281         #  - .have does not duplicate locals
 282         #  - .have does not duplicate itself
 283         local=$(git -C fork rev-parse HEAD) &&
 284         shared=$(git -C shared rev-parse only-shared) &&
 285         cat >expect <<-EOF &&
 286         $local refs/heads/master
 287         $local refs/remotes/origin/HEAD
 288         $local refs/remotes/origin/master
 289         $shared .have
 290         EOF
 291
 292         GIT_TRACE_PACKET=$(pwd)/trace GIT_TEST_PROTOCOL_VERSION=0 \
 293         git push \
 294                 --receive-pack="unset GIT_TRACE_PACKET; git-receive-pack" \
 295                 fork HEAD:foo &&
 296         extract_ref_advertisement <trace >refs &&
 297         test_cmp expect refs
 298 '
 299
 300 test_done