Andrew's git / gitweb.git /
d2b0c45ccae162ce443afa2b9b288e652add5607
   1#!/bin/sh
   2
   3test_description='exercise basic bitmap functionality'
   4. ./test-lib.sh
   5
   6test_expect_success 'setup repo with moderate-sized history' '
   7        for i in $(test_seq 1 10); do
   8                test_commit $i
   9        done &&
  10        git checkout -b other HEAD~5 &&
  11        for i in $(test_seq 1 10); do
  12                test_commit side-$i
  13        done &&
  14        git checkout master &&
  15        blob=$(echo tagged-blob | git hash-object -w --stdin) &&
  16        git tag tagged-blob $blob &&
  17        git config pack.writebitmaps true
  18'
  19
  20test_expect_success 'full repack creates bitmaps' '
  21        git repack -ad &&
  22        ls .git/objects/pack/ | grep bitmap >output &&
  23        test_line_count = 1 output
  24'
  25
  26test_expect_success 'rev-list --test-bitmap verifies bitmaps' '
  27        git rev-list --test-bitmap HEAD
  28'
  29
  30rev_list_tests() {
  31        state=$1
  32
  33        test_expect_success "counting commits via bitmap ($state)" '
  34                git rev-list --count HEAD >expect &&
  35                git rev-list --use-bitmap-index --count HEAD >actual &&
  36                test_cmp expect actual
  37        '
  38
  39        test_expect_success "counting partial commits via bitmap ($state)" '
  40                git rev-list --count HEAD~5..HEAD >expect &&
  41                git rev-list --use-bitmap-index --count HEAD~5..HEAD >actual &&
  42                test_cmp expect actual
  43        '
  44
  45        test_expect_success "counting non-linear history ($state)" '
  46                git rev-list --count other...master >expect &&
  47                git rev-list --use-bitmap-index --count other...master >actual &&
  48                test_cmp expect actual
  49        '
  50
  51        test_expect_success "enumerate --objects ($state)" '
  52                git rev-list --objects --use-bitmap-index HEAD >tmp &&
  53                cut -d" " -f1 <tmp >tmp2 &&
  54                sort <tmp2 >actual &&
  55                git rev-list --objects HEAD >tmp &&
  56                cut -d" " -f1 <tmp >tmp2 &&
  57                sort <tmp2 >expect &&
  58                test_cmp expect actual
  59        '
  60
  61        test_expect_success "bitmap --objects handles non-commit objects ($state)" '
  62                git rev-list --objects --use-bitmap-index HEAD tagged-blob >actual &&
  63                grep $blob actual
  64        '
  65}
  66
  67rev_list_tests 'full bitmap'
  68
  69test_expect_success 'clone from bitmapped repository' '
  70        git clone --no-local --bare . clone.git &&
  71        git rev-parse HEAD >expect &&
  72        git --git-dir=clone.git rev-parse HEAD >actual &&
  73        test_cmp expect actual
  74'
  75
  76test_expect_success 'setup further non-bitmapped commits' '
  77        for i in $(test_seq 1 10); do
  78                test_commit further-$i
  79        done
  80'
  81
  82rev_list_tests 'partial bitmap'
  83
  84test_expect_success 'fetch (partial bitmap)' '
  85        git --git-dir=clone.git fetch origin master:master &&
  86        git rev-parse HEAD >expect &&
  87        git --git-dir=clone.git rev-parse HEAD >actual &&
  88        test_cmp expect actual
  89'
  90
  91test_expect_success 'incremental repack cannot create bitmaps' '
  92        test_commit more-1 &&
  93        test_must_fail git repack -d
  94'
  95
  96test_expect_success 'incremental repack can disable bitmaps' '
  97        test_commit more-2 &&
  98        git repack -d --no-write-bitmap-index
  99'
 100
 101test_expect_success 'full repack, reusing previous bitmaps' '
 102        git repack -ad &&
 103        ls .git/objects/pack/ | grep bitmap >output &&
 104        test_line_count = 1 output
 105'
 106
 107test_expect_success 'fetch (full bitmap)' '
 108        git --git-dir=clone.git fetch origin master:master &&
 109        git rev-parse HEAD >expect &&
 110        git --git-dir=clone.git rev-parse HEAD >actual &&
 111        test_cmp expect actual
 112'
 113
 114test_lazy_prereq JGIT '
 115        type jgit
 116'
 117
 118test_expect_success JGIT 'we can read jgit bitmaps' '
 119        git clone . compat-jgit &&
 120        (
 121                cd compat-jgit &&
 122                rm -f .git/objects/pack/*.bitmap &&
 123                jgit gc &&
 124                git rev-list --test-bitmap HEAD
 125        )
 126'
 127
 128test_expect_success JGIT 'jgit can read our bitmaps' '
 129        git clone . compat-us &&
 130        (
 131                cd compat-us &&
 132                git repack -adb &&
 133                # jgit gc will barf if it does not like our bitmaps
 134                jgit gc
 135        )
 136'
 137
 138test_done