Andrew's git / gitweb.git /
2f44f91193324c2a5ef3534481a3278e0357e239
   1#!/bin/sh
   2
   3test_description='commit graph'
   4. ./test-lib.sh
   5
   6test_expect_success 'setup full repo' '
   7        mkdir full &&
   8        cd "$TRASH_DIRECTORY/full" &&
   9        git init &&
  10        objdir=".git/objects"
  11'
  12
  13test_expect_success 'write graph with no packs' '
  14        cd "$TRASH_DIRECTORY/full" &&
  15        git commit-graph write --object-dir . &&
  16        test_path_is_file info/commit-graph
  17'
  18
  19test_expect_success 'create commits and repack' '
  20        cd "$TRASH_DIRECTORY/full" &&
  21        for i in $(test_seq 3)
  22        do
  23                test_commit $i &&
  24                git branch commits/$i
  25        done &&
  26        git repack
  27'
  28
  29graph_read_expect() {
  30        OPTIONAL=""
  31        NUM_CHUNKS=3
  32        if test ! -z $2
  33        then
  34                OPTIONAL=" $2"
  35                NUM_CHUNKS=$((3 + $(echo "$2" | wc -w)))
  36        fi
  37        cat >expect <<- EOF
  38        header: 43475048 1 1 $NUM_CHUNKS 0
  39        num_commits: $1
  40        chunks: oid_fanout oid_lookup commit_metadata$OPTIONAL
  41        EOF
  42        git commit-graph read >output &&
  43        test_cmp expect output
  44}
  45
  46test_expect_success 'write graph' '
  47        cd "$TRASH_DIRECTORY/full" &&
  48        graph1=$(git commit-graph write) &&
  49        test_path_is_file $objdir/info/commit-graph &&
  50        graph_read_expect "3"
  51'
  52
  53test_expect_success 'Add more commits' '
  54        cd "$TRASH_DIRECTORY/full" &&
  55        git reset --hard commits/1 &&
  56        for i in $(test_seq 4 5)
  57        do
  58                test_commit $i &&
  59                git branch commits/$i
  60        done &&
  61        git reset --hard commits/2 &&
  62        for i in $(test_seq 6 7)
  63        do
  64                test_commit $i &&
  65                git branch commits/$i
  66        done &&
  67        git reset --hard commits/2 &&
  68        git merge commits/4 &&
  69        git branch merge/1 &&
  70        git reset --hard commits/4 &&
  71        git merge commits/6 &&
  72        git branch merge/2 &&
  73        git reset --hard commits/3 &&
  74        git merge commits/5 commits/7 &&
  75        git branch merge/3 &&
  76        git repack
  77'
  78
  79# Current graph structure:
  80#
  81#   __M3___
  82#  /   |   \
  83# 3 M1 5 M2 7
  84# |/  \|/  \|
  85# 2    4    6
  86# |___/____/
  87# 1
  88
  89
  90test_expect_success 'write graph with merges' '
  91        cd "$TRASH_DIRECTORY/full" &&
  92        git commit-graph write &&
  93        test_path_is_file $objdir/info/commit-graph &&
  94        graph_read_expect "10" "large_edges"
  95'
  96
  97test_expect_success 'Add one more commit' '
  98        cd "$TRASH_DIRECTORY/full" &&
  99        test_commit 8 &&
 100        git branch commits/8 &&
 101        ls $objdir/pack | grep idx >existing-idx &&
 102        git repack &&
 103        ls $objdir/pack| grep idx | grep -v --file=existing-idx >new-idx
 104'
 105
 106# Current graph structure:
 107#
 108#      8
 109#      |
 110#   __M3___
 111#  /   |   \
 112# 3 M1 5 M2 7
 113# |/  \|/  \|
 114# 2    4    6
 115# |___/____/
 116# 1
 117
 118test_expect_success 'write graph with new commit' '
 119        cd "$TRASH_DIRECTORY/full" &&
 120        git commit-graph write &&
 121        test_path_is_file $objdir/info/commit-graph &&
 122        graph_read_expect "11" "large_edges"
 123'
 124
 125test_expect_success 'write graph with nothing new' '
 126        cd "$TRASH_DIRECTORY/full" &&
 127        git commit-graph write &&
 128        test_path_is_file $objdir/info/commit-graph &&
 129        graph_read_expect "11" "large_edges"
 130'
 131
 132test_expect_success 'setup bare repo' '
 133        cd "$TRASH_DIRECTORY" &&
 134        git clone --bare --no-local full bare &&
 135        cd bare &&
 136        baredir="./objects"
 137'
 138
 139test_expect_success 'write graph in bare repo' '
 140        cd "$TRASH_DIRECTORY/bare" &&
 141        git commit-graph write &&
 142        test_path_is_file $baredir/info/commit-graph &&
 143        graph_read_expect "11" "large_edges"
 144'
 145
 146test_done