t/t7701-repack-unpack-unreachable.sh

   1 #!/bin/sh
   2
   3 test_description='git repack works correctly'
   4
   5 . ./test-lib.sh
   6
   7 fsha1=
   8 csha1=
   9 tsha1=
  10
  11 test_expect_success '-A with -d option leaves unreachable objects unpacked' '
  12         echo content > file1 &&
  13         git add . &&
  14         git commit -m initial_commit &&
  15         # create a transient branch with unique content
  16         git checkout -b transient_branch &&
  17         echo more content >> file1 &&
  18         # record the objects created in the database for file, commit, tree
  19         fsha1=$(git hash-object file1) &&
  20         git commit -a -m more_content &&
  21         csha1=$(git rev-parse HEAD^{commit}) &&
  22         tsha1=$(git rev-parse HEAD^{tree}) &&
  23         git checkout master &&
  24         echo even more content >> file1 &&
  25         git commit -a -m even_more_content &&
  26         # delete the transient branch
  27         git branch -D transient_branch &&
  28         # pack the repo
  29         git repack -A -d -l &&
  30         # verify objects are packed in repository
  31         test 3 = $(git verify-pack -v -- .git/objects/pack/*.idx |
  32                    grep -e "^$fsha1 " -e "^$csha1 " -e "^$tsha1 " |
  33                    sort | uniq | wc -l) &&
  34         git show $fsha1 &&
  35         git show $csha1 &&
  36         git show $tsha1 &&
  37         # now expire the reflog
  38         sleep 1 &&
  39         git reflog expire --expire-unreachable=now --all &&
  40         # and repack
  41         git repack -A -d -l &&
  42         # verify objects are retained unpacked
  43         test 0 = $(git verify-pack -v -- .git/objects/pack/*.idx |
  44                    grep -e "^$fsha1 " -e "^$csha1 " -e "^$tsha1 " |
  45                    sort | uniq | wc -l) &&
  46         git show $fsha1 &&
  47         git show $csha1 &&
  48         git show $tsha1
  49 '
  50
  51 compare_mtimes ()
  52 {
  53         perl -e 'my $reference = shift;
  54                  foreach my $file (@ARGV) {
  55                         exit(1) unless(-f $file && -M $file == -M $reference);
  56                  }
  57                  exit(0);
  58                 ' -- "$@"
  59 }
  60
  61 test_expect_success '-A without -d option leaves unreachable objects packed' '
  62         fsha1path=$(echo "$fsha1" | sed -e "s|\(..\)|\1/|") &&
  63         fsha1path=".git/objects/$fsha1path" &&
  64         csha1path=$(echo "$csha1" | sed -e "s|\(..\)|\1/|") &&
  65         csha1path=".git/objects/$csha1path" &&
  66         tsha1path=$(echo "$tsha1" | sed -e "s|\(..\)|\1/|") &&
  67         tsha1path=".git/objects/$tsha1path" &&
  68         git branch transient_branch $csha1 &&
  69         git repack -a -d -l &&
  70         test ! -f "$fsha1path" &&
  71         test ! -f "$csha1path" &&
  72         test ! -f "$tsha1path" &&
  73         test 1 = $(ls -1 .git/objects/pack/pack-*.pack | wc -l) &&
  74         packfile=$(ls .git/objects/pack/pack-*.pack) &&
  75         git branch -D transient_branch &&
  76         sleep 1 &&
  77         git repack -A -l &&
  78         test ! -f "$fsha1path" &&
  79         test ! -f "$csha1path" &&
  80         test ! -f "$tsha1path" &&
  81         git show $fsha1 &&
  82         git show $csha1 &&
  83         git show $tsha1
  84 '
  85
  86 test_expect_success 'unpacked objects receive timestamp of pack file' '
  87         tmppack=".git/objects/pack/tmp_pack" &&
  88         ln "$packfile" "$tmppack" &&
  89         git repack -A -l -d &&
  90         compare_mtimes "$tmppack" "$fsha1path" "$csha1path" "$tsha1path"
  91 '
  92
  93 test_done