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=$(git rev-list --objects --all | grep file2 |
  19                git pack-objects pack) &&
  20        >pack-$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 --no-pack-kept-objects -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 'writing bitmaps can duplicate .keep objects' '
  39        # build on $objsha1, $packsha1, and .keep state from previous
  40        git repack -Adl &&
  41        test_when_finished "found_duplicate_object=" &&
  42        for p in .git/objects/pack/*.idx; do
  43                idx=$(basename $p)
  44                test "pack-$packsha1.idx" = "$idx" && continue
  45                if git verify-pack -v $p | egrep "^$objsha1"; then
  46                        found_duplicate_object=1
  47                        echo "DUPLICATE OBJECT FOUND"
  48                        break
  49                fi
  50        done &&
  51        test "$found_duplicate_object" = 1
  52'
  53
  54test_expect_success 'loose objects in alternate ODB are not repacked' '
  55        mkdir alt_objects &&
  56        echo `pwd`/alt_objects > .git/objects/info/alternates &&
  57        echo content3 > file3 &&
  58        objsha1=$(GIT_OBJECT_DIRECTORY=alt_objects git hash-object -w file3) &&
  59        git add file3 &&
  60        test_tick &&
  61        git commit -m commit_file3 &&
  62        git repack -a -d -l &&
  63        git prune-packed &&
  64        for p in .git/objects/pack/*.idx; do
  65                if git verify-pack -v $p | egrep "^$objsha1"; then
  66                        found_duplicate_object=1
  67                        echo "DUPLICATE OBJECT FOUND"
  68                        break
  69                fi
  70        done &&
  71        test -z "$found_duplicate_object"
  72'
  73
  74test_expect_success 'packed obs in alt ODB are repacked even when local repo is packless' '
  75        mkdir alt_objects/pack &&
  76        mv .git/objects/pack/* alt_objects/pack &&
  77        git repack -a &&
  78        myidx=$(ls -1 .git/objects/pack/*.idx) &&
  79        test -f "$myidx" &&
  80        for p in alt_objects/pack/*.idx; do
  81                git verify-pack -v $p | sed -n -e "/^[0-9a-f]\{40\}/p"
  82        done | while read sha1 rest; do
  83                if ! ( git verify-pack -v $myidx | grep "^$sha1" ); then
  84                        echo "Missing object in local pack: $sha1"
  85                        return 1
  86                fi
  87        done
  88'
  89
  90test_expect_success 'packed obs in alt ODB are repacked when local repo has packs' '
  91        rm -f .git/objects/pack/* &&
  92        echo new_content >> file1 &&
  93        git add file1 &&
  94        test_tick &&
  95        git commit -m more_content &&
  96        git repack &&
  97        git repack -a -d &&
  98        myidx=$(ls -1 .git/objects/pack/*.idx) &&
  99        test -f "$myidx" &&
 100        for p in alt_objects/pack/*.idx; do
 101                git verify-pack -v $p | sed -n -e "/^[0-9a-f]\{40\}/p"
 102        done | while read sha1 rest; do
 103                if ! ( git verify-pack -v $myidx | grep "^$sha1" ); then
 104                        echo "Missing object in local pack: $sha1"
 105                        return 1
 106                fi
 107        done
 108'
 109
 110test_expect_success 'packed obs in alternate ODB kept pack are repacked' '
 111        # swap the .keep so the commit object is in the pack with .keep
 112        for p in alt_objects/pack/*.pack
 113        do
 114                base_name=$(basename $p .pack) &&
 115                if test -f alt_objects/pack/$base_name.keep
 116                then
 117                        rm alt_objects/pack/$base_name.keep
 118                else
 119                        touch alt_objects/pack/$base_name.keep
 120                fi
 121        done &&
 122        git repack -a -d &&
 123        myidx=$(ls -1 .git/objects/pack/*.idx) &&
 124        test -f "$myidx" &&
 125        for p in alt_objects/pack/*.idx; do
 126                git verify-pack -v $p | sed -n -e "/^[0-9a-f]\{40\}/p"
 127        done | while read sha1 rest; do
 128                if ! ( git verify-pack -v $myidx | grep "^$sha1" ); then
 129                        echo "Missing object in local pack: $sha1"
 130                        return 1
 131                fi
 132        done
 133'
 134
 135test_expect_success 'packed unreachable obs in alternate ODB are not loosened' '
 136        rm -f alt_objects/pack/*.keep &&
 137        mv .git/objects/pack/* alt_objects/pack/ &&
 138        csha1=$(git rev-parse HEAD^{commit}) &&
 139        git reset --hard HEAD^ &&
 140        test_tick &&
 141        git reflog expire --expire=$test_tick --expire-unreachable=$test_tick --all &&
 142        # The pack-objects call on the next line is equivalent to
 143        # git repack -A -d without the call to prune-packed
 144        git pack-objects --honor-pack-keep --non-empty --all --reflog \
 145            --unpack-unreachable </dev/null pack &&
 146        rm -f .git/objects/pack/* &&
 147        mv pack-* .git/objects/pack/ &&
 148        test 0 = $(git verify-pack -v -- .git/objects/pack/*.idx |
 149                egrep "^$csha1 " | sort | uniq | wc -l) &&
 150        echo > .git/objects/info/alternates &&
 151        test_must_fail git show $csha1
 152'
 153
 154test_expect_success 'local packed unreachable obs that exist in alternate ODB are not loosened' '
 155        echo `pwd`/alt_objects > .git/objects/info/alternates &&
 156        echo "$csha1" | git pack-objects --non-empty --all --reflog pack &&
 157        rm -f .git/objects/pack/* &&
 158        mv pack-* .git/objects/pack/ &&
 159        # The pack-objects call on the next line is equivalent to
 160        # git repack -A -d without the call to prune-packed
 161        git pack-objects --honor-pack-keep --non-empty --all --reflog \
 162            --unpack-unreachable </dev/null pack &&
 163        rm -f .git/objects/pack/* &&
 164        mv pack-* .git/objects/pack/ &&
 165        test 0 = $(git verify-pack -v -- .git/objects/pack/*.idx |
 166                egrep "^$csha1 " | sort | uniq | wc -l) &&
 167        echo > .git/objects/info/alternates &&
 168        test_must_fail git show $csha1
 169'
 170
 171test_expect_success 'objects made unreachable by grafts only are kept' '
 172        test_tick &&
 173        git commit --allow-empty -m "commit 4" &&
 174        H0=$(git rev-parse HEAD) &&
 175        H1=$(git rev-parse HEAD^) &&
 176        H2=$(git rev-parse HEAD^^) &&
 177        echo "$H0 $H2" > .git/info/grafts &&
 178        git reflog expire --expire=$test_tick --expire-unreachable=$test_tick --all &&
 179        git repack -a -d &&
 180        git cat-file -t $H1
 181        '
 182
 183test_done
 184