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