Andrew's git - gitweb.git/blob

   1#!/bin/sh
   2
   3test_description='git repack works correctly'
   4
   5. ./test-lib.sh
   6
   7test_expect_success 'objects in packs marked .keep are not repacked' '
   8        echo content1 > file1 &&
   9        echo content2 > file2 &&
  10        git add . &&
  11        test_tick &&
  12        git commit -m initial_commit &&
  13        # Create two packs
  14        # The first pack will contain all of the objects except one
  15        git rev-list --objects --all | grep -v file2 |
  16                git pack-objects pack > /dev/null &&
  17        # The second pack will contain the excluded object
  18        packsha1=$(git rev-list --objects --all | grep file2 |
  19                git pack-objects pack) &&
  20        touch -r pack-$packsha1.pack pack-$packsha1.keep &&
  21        objsha1=$(git verify-pack -v pack-$packsha1.idx | head -n 1 |
  22                sed -e "s/^\([0-9a-f]\{40\}\).*/\1/") &&
  23        mv pack-* .git/objects/pack/ &&
  24        git repack -A -d -l &&
  25        git prune-packed &&
  26        for p in .git/objects/pack/*.idx; do
  27                idx=$(basename $p)
  28                test "pack-$packsha1.idx" = "$idx" && continue
  29                if git verify-pack -v $p | egrep "^$objsha1"; then
  30                        found_duplicate_object=1
  31                        echo "DUPLICATE OBJECT FOUND"
  32                        break
  33                fi
  34        done &&
  35        test -z "$found_duplicate_object"
  36'
  37
  38test_expect_success 'loose objects in alternate ODB are not repacked' '
  39        mkdir alt_objects &&
  40        echo `pwd`/alt_objects > .git/objects/info/alternates &&
  41        echo content3 > file3 &&
  42        objsha1=$(GIT_OBJECT_DIRECTORY=alt_objects git hash-object -w file3) &&
  43        git add file3 &&
  44        test_tick &&
  45        git commit -m commit_file3 &&
  46        git repack -a -d -l &&
  47        git prune-packed &&
  48        for p in .git/objects/pack/*.idx; do
  49                if git verify-pack -v $p | egrep "^$objsha1"; then
  50                        found_duplicate_object=1
  51                        echo "DUPLICATE OBJECT FOUND"
  52                        break
  53                fi
  54        done &&
  55        test -z "$found_duplicate_object"
  56'
  57
  58test_expect_success 'packed obs in alt ODB are repacked even when local repo is packless' '
  59        mkdir alt_objects/pack
  60        mv .git/objects/pack/* alt_objects/pack &&
  61        git repack -a &&
  62        myidx=$(ls -1 .git/objects/pack/*.idx) &&
  63        test -f "$myidx" &&
  64        for p in alt_objects/pack/*.idx; do
  65                git verify-pack -v $p | sed -n -e "/^[0-9a-f]\{40\}/p"
  66        done | while read sha1 rest; do
  67                if ! ( git verify-pack -v $myidx | grep "^$sha1" ); then
  68                        echo "Missing object in local pack: $sha1"
  69                        return 1
  70                fi
  71        done
  72'
  73
  74test_expect_success 'packed obs in alt ODB are repacked when local repo has packs' '
  75        rm -f .git/objects/pack/* &&
  76        echo new_content >> file1 &&
  77        git add file1 &&
  78        test_tick &&
  79        git commit -m more_content &&
  80        git repack &&
  81        git repack -a -d &&
  82        myidx=$(ls -1 .git/objects/pack/*.idx) &&
  83        test -f "$myidx" &&
  84        for p in alt_objects/pack/*.idx; do
  85                git verify-pack -v $p | sed -n -e "/^[0-9a-f]\{40\}/p"
  86        done | while read sha1 rest; do
  87                if ! ( git verify-pack -v $myidx | grep "^$sha1" ); then
  88                        echo "Missing object in local pack: $sha1"
  89                        return 1
  90                fi
  91        done
  92'
  93
  94test_expect_success 'packed obs in alternate ODB kept pack are repacked' '
  95        # swap the .keep so the commit object is in the pack with .keep
  96        for p in alt_objects/pack/*.pack
  97        do
  98                base_name=$(basename $p .pack)
  99                if test -f alt_objects/pack/$base_name.keep
 100                then
 101                        rm alt_objects/pack/$base_name.keep
 102                else
 103                        touch alt_objects/pack/$base_name.keep
 104                fi
 105        done
 106        git repack -a -d &&
 107        myidx=$(ls -1 .git/objects/pack/*.idx) &&
 108        test -f "$myidx" &&
 109        for p in alt_objects/pack/*.idx; do
 110                git verify-pack -v $p | sed -n -e "/^[0-9a-f]\{40\}/p"
 111        done | while read sha1 rest; do
 112                if ! ( git verify-pack -v $myidx | grep "^$sha1" ); then
 113                        echo "Missing object in local pack: $sha1"
 114                        return 1
 115                fi
 116        done
 117'
 118
 119test_expect_success 'packed unreachable obs in alternate ODB are not loosened' '
 120        rm -f alt_objects/pack/*.keep &&
 121        mv .git/objects/pack/* alt_objects/pack/ &&
 122        csha1=$(git rev-parse HEAD^{commit}) &&
 123        git reset --hard HEAD^ &&
 124        test_tick &&
 125        git reflog expire --expire=$test_tick --expire-unreachable=$test_tick --all &&
 126        # The pack-objects call on the next line is equivalent to
 127        # git repack -A -d without the call to prune-packed
 128        git pack-objects --honor-pack-keep --non-empty --all --reflog \
 129            --unpack-unreachable </dev/null pack &&
 130        rm -f .git/objects/pack/* &&
 131        mv pack-* .git/objects/pack/ &&
 132        test 0 = $(git verify-pack -v -- .git/objects/pack/*.idx |
 133                egrep "^$csha1 " | sort | uniq | wc -l) &&
 134        echo > .git/objects/info/alternates &&
 135        test_must_fail git show $csha1
 136'
 137
 138test_expect_success 'local packed unreachable obs that exist in alternate ODB are not loosened' '
 139        echo `pwd`/alt_objects > .git/objects/info/alternates &&
 140        echo "$csha1" | git pack-objects --non-empty --all --reflog pack &&
 141        rm -f .git/objects/pack/* &&
 142        mv pack-* .git/objects/pack/ &&
 143        # The pack-objects call on the next line is equivalent to
 144        # git repack -A -d without the call to prune-packed
 145        git pack-objects --honor-pack-keep --non-empty --all --reflog \
 146            --unpack-unreachable </dev/null pack &&
 147        rm -f .git/objects/pack/* &&
 148        mv pack-* .git/objects/pack/ &&
 149        test 0 = $(git verify-pack -v -- .git/objects/pack/*.idx |
 150                egrep "^$csha1 " | sort | uniq | wc -l) &&
 151        echo > .git/objects/info/alternates &&
 152        test_must_fail git show $csha1
 153'
 154
 155test_expect_success 'objects made unreachable by grafts only are kept' '
 156        test_tick &&
 157        git commit --allow-empty -m "commit 4" &&
 158        H0=$(git rev-parse HEAD) &&
 159        H1=$(git rev-parse HEAD^) &&
 160        H2=$(git rev-parse HEAD^^) &&
 161        echo "$H0 $H2" > .git/info/grafts &&
 162        git reflog expire --expire=$test_tick --expire-unreachable=$test_tick --all &&
 163        git repack -a -d &&
 164        git cat-file -t $H1
 165        '
 166
 167test_done
 168