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 -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 via command-line can duplicate .keep objects' '
  39        # build on $objsha1, $packsha1, and .keep state from previous
  40        git repack -Adbl &&
  41        test_when_finished "found_duplicate_object=" &&
  42        for p in .git/objects/pack/*.idx; do
  43                idx=$(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 'writing bitmaps via config can duplicate .keep objects' '
  55        # build on $objsha1, $packsha1, and .keep state from previous
  56        git -c repack.writebitmaps=true repack -Adl &&
  57        test_when_finished "found_duplicate_object=" &&
  58        for p in .git/objects/pack/*.idx; do
  59                idx=$(basename $p)
  60                test "pack-$packsha1.idx" = "$idx" && continue
  61                if git verify-pack -v $p | egrep "^$objsha1"; then
  62                        found_duplicate_object=1
  63                        echo "DUPLICATE OBJECT FOUND"
  64                        break
  65                fi
  66        done &&
  67        test "$found_duplicate_object" = 1
  68'
  69
  70test_expect_success 'loose objects in alternate ODB are not repacked' '
  71        mkdir alt_objects &&
  72        echo `pwd`/alt_objects > .git/objects/info/alternates &&
  73        echo content3 > file3 &&
  74        objsha1=$(GIT_OBJECT_DIRECTORY=alt_objects git hash-object -w file3) &&
  75        git add file3 &&
  76        test_tick &&
  77        git commit -m commit_file3 &&
  78        git repack -a -d -l &&
  79        git prune-packed &&
  80        for p in .git/objects/pack/*.idx; do
  81                if git verify-pack -v $p | egrep "^$objsha1"; then
  82                        found_duplicate_object=1
  83                        echo "DUPLICATE OBJECT FOUND"
  84                        break
  85                fi
  86        done &&
  87        test -z "$found_duplicate_object"
  88'
  89
  90test_expect_success 'packed obs in alt ODB are repacked even when local repo is packless' '
  91        mkdir alt_objects/pack &&
  92        mv .git/objects/pack/* alt_objects/pack &&
  93        git repack -a &&
  94        myidx=$(ls -1 .git/objects/pack/*.idx) &&
  95        test -f "$myidx" &&
  96        for p in alt_objects/pack/*.idx; do
  97                git verify-pack -v $p | sed -n -e "/^[0-9a-f]\{40\}/p"
  98        done | while read sha1 rest; do
  99                if ! ( git verify-pack -v $myidx | grep "^$sha1" ); then
 100                        echo "Missing object in local pack: $sha1"
 101                        return 1
 102                fi
 103        done
 104'
 105
 106test_expect_success 'packed obs in alt ODB are repacked when local repo has packs' '
 107        rm -f .git/objects/pack/* &&
 108        echo new_content >> file1 &&
 109        git add file1 &&
 110        test_tick &&
 111        git commit -m more_content &&
 112        git repack &&
 113        git repack -a -d &&
 114        myidx=$(ls -1 .git/objects/pack/*.idx) &&
 115        test -f "$myidx" &&
 116        for p in alt_objects/pack/*.idx; do
 117                git verify-pack -v $p | sed -n -e "/^[0-9a-f]\{40\}/p"
 118        done | while read sha1 rest; do
 119                if ! ( git verify-pack -v $myidx | grep "^$sha1" ); then
 120                        echo "Missing object in local pack: $sha1"
 121                        return 1
 122                fi
 123        done
 124'
 125
 126test_expect_success 'packed obs in alternate ODB kept pack are repacked' '
 127        # swap the .keep so the commit object is in the pack with .keep
 128        for p in alt_objects/pack/*.pack
 129        do
 130                base_name=$(basename $p .pack) &&
 131                if test -f alt_objects/pack/$base_name.keep
 132                then
 133                        rm alt_objects/pack/$base_name.keep
 134                else
 135                        touch alt_objects/pack/$base_name.keep
 136                fi
 137        done &&
 138        git repack -a -d &&
 139        myidx=$(ls -1 .git/objects/pack/*.idx) &&
 140        test -f "$myidx" &&
 141        for p in alt_objects/pack/*.idx; do
 142                git verify-pack -v $p | sed -n -e "/^[0-9a-f]\{40\}/p"
 143        done | while read sha1 rest; do
 144                if ! ( git verify-pack -v $myidx | grep "^$sha1" ); then
 145                        echo "Missing object in local pack: $sha1"
 146                        return 1
 147                fi
 148        done
 149'
 150
 151test_expect_success 'packed unreachable obs in alternate ODB are not loosened' '
 152        rm -f alt_objects/pack/*.keep &&
 153        mv .git/objects/pack/* alt_objects/pack/ &&
 154        csha1=$(git rev-parse HEAD^{commit}) &&
 155        git reset --hard HEAD^ &&
 156        test_tick &&
 157        git reflog expire --expire=$test_tick --expire-unreachable=$test_tick --all &&
 158        # The pack-objects call on the next line is equivalent to
 159        # git repack -A -d without the call to prune-packed
 160        git pack-objects --honor-pack-keep --non-empty --all --reflog \
 161            --unpack-unreachable </dev/null pack &&
 162        rm -f .git/objects/pack/* &&
 163        mv pack-* .git/objects/pack/ &&
 164        test 0 = $(git verify-pack -v -- .git/objects/pack/*.idx |
 165                egrep "^$csha1 " | sort | uniq | wc -l) &&
 166        echo > .git/objects/info/alternates &&
 167        test_must_fail git show $csha1
 168'
 169
 170test_expect_success 'local packed unreachable obs that exist in alternate ODB are not loosened' '
 171        echo `pwd`/alt_objects > .git/objects/info/alternates &&
 172        echo "$csha1" | git pack-objects --non-empty --all --reflog pack &&
 173        rm -f .git/objects/pack/* &&
 174        mv pack-* .git/objects/pack/ &&
 175        # The pack-objects call on the next line is equivalent to
 176        # git repack -A -d without the call to prune-packed
 177        git pack-objects --honor-pack-keep --non-empty --all --reflog \
 178            --unpack-unreachable </dev/null pack &&
 179        rm -f .git/objects/pack/* &&
 180        mv pack-* .git/objects/pack/ &&
 181        test 0 = $(git verify-pack -v -- .git/objects/pack/*.idx |
 182                egrep "^$csha1 " | sort | uniq | wc -l) &&
 183        echo > .git/objects/info/alternates &&
 184        test_must_fail git show $csha1
 185'
 186
 187test_expect_success 'objects made unreachable by grafts only are kept' '
 188        test_tick &&
 189        git commit --allow-empty -m "commit 4" &&
 190        H0=$(git rev-parse HEAD) &&
 191        H1=$(git rev-parse HEAD^) &&
 192        H2=$(git rev-parse HEAD^^) &&
 193        echo "$H0 $H2" > .git/info/grafts &&
 194        git reflog expire --expire=$test_tick --expire-unreachable=$test_tick --all &&
 195        git repack -a -d &&
 196        git cat-file -t $H1
 197        '
 198
 199test_done
 200