1#!/bin/sh
   2test_description='ancestor culling and limiting by parent number'
   4. ./test-lib.sh
   6check_revlist () {
   8        rev_list_args="$1" &&
   9        shift &&
  10        git rev-parse "$@" >expect &&
  11        git rev-list $rev_list_args --all >actual &&
  12        test_cmp expect actual
  13}
  14test_expect_success setup '
  16        touch file &&
  18        git add file &&
  19        test_commit one &&
  21        test_tick=$(($test_tick - 2400)) &&
  23        test_commit two &&
  25        test_commit three &&
  26        test_commit four &&
  27        git log --pretty=oneline --abbrev-commit
  29'
  30test_expect_success 'one is ancestor of others and should not be shown' '
  32        git rev-list one --not four >result &&
  34        >expect &&
  35        test_cmp expect result
  36'
  38test_expect_success 'setup roots, merges and octopuses' '
  40        git checkout --orphan newroot &&
  42        test_commit five &&
  43        git checkout -b sidebranch two &&
  44        test_commit six &&
  45        git checkout -b anotherbranch three &&
  46        test_commit seven &&
  47        git checkout -b yetanotherbranch four &&
  48        test_commit eight &&
  49        git checkout master &&
  50        test_tick &&
  51        git merge --allow-unrelated-histories -m normalmerge newroot &&
  52        git tag normalmerge &&
  53        test_tick &&
  54        git merge -m tripus sidebranch anotherbranch &&
  55        git tag tripus &&
  56        git checkout -b tetrabranch normalmerge &&
  57        test_tick &&
  58        git merge -m tetrapus sidebranch anotherbranch yetanotherbranch &&
  59        git tag tetrapus &&
  60        git checkout master
  61'
  62test_expect_success 'rev-list roots' '
  64        check_revlist "--max-parents=0" one five
  66'
  67test_expect_success 'rev-list no merges' '
  69        check_revlist "--max-parents=1" one eight seven six five four three two &&
  71        check_revlist "--no-merges" one eight seven six five four three two
  72'
  73test_expect_success 'rev-list no octopuses' '
  75        check_revlist "--max-parents=2" one normalmerge eight seven six five four three two
  77'
  78test_expect_success 'rev-list no roots' '
  80        check_revlist "--min-parents=1" tetrapus tripus normalmerge eight seven six four three two
  82'
  83test_expect_success 'rev-list merges' '
  85        check_revlist "--min-parents=2" tetrapus tripus normalmerge &&
  87        check_revlist "--merges" tetrapus tripus normalmerge
  88'
  89test_expect_success 'rev-list octopus' '
  91        check_revlist "--min-parents=3" tetrapus tripus
  93'
  94test_expect_success 'rev-list ordinary commits' '
  96        check_revlist "--min-parents=1 --max-parents=1" eight seven six four three two
  98'
  99test_expect_success 'rev-list --merges --no-merges yields empty set' '
 101        check_revlist "--min-parents=2 --no-merges" &&
 103        check_revlist "--merges --no-merges" &&
 104        check_revlist "--no-merges --merges"
 105'
 106test_expect_success 'rev-list override and infinities' '
 108        check_revlist "--min-parents=2 --max-parents=1 --max-parents=3" tripus normalmerge &&
 110        check_revlist "--min-parents=1 --min-parents=2 --max-parents=7" tetrapus tripus normalmerge &&
 111        check_revlist "--min-parents=2 --max-parents=8" tetrapus tripus normalmerge &&
 112        check_revlist "--min-parents=2 --max-parents=-1" tetrapus tripus normalmerge &&
 113        check_revlist "--min-parents=2 --no-max-parents" tetrapus tripus normalmerge &&
 114        check_revlist "--max-parents=0 --min-parents=1 --no-min-parents" one five
 115'
 116test_expect_success 'dodecapus' '
 118        roots= &&
 120        for i in 1 2 3 4 5 6 7 8 9 10 11
 121        do
 122                git checkout -b root$i five &&
 123                test_commit $i &&
 124                roots="$roots root$i" ||
 125                return
 126        done &&
 127        git checkout master &&
 128        test_tick &&
 129        git merge -m dodecapus $roots &&
 130        git tag dodecapus &&
 131        check_revlist "--min-parents=4" dodecapus tetrapus &&
 133        check_revlist "--min-parents=8" dodecapus &&
 134        check_revlist "--min-parents=12" dodecapus &&
 135        check_revlist "--min-parents=13" &&
 136        check_revlist "--min-parents=4 --max-parents=11" tetrapus
 137'
 138test_expect_success 'ancestors with the same commit time' '
 140        test_tick_keep=$test_tick &&
 142        for i in 1 2 3 4 5 6 7 8; do
 143                test_tick=$test_tick_keep
 144                test_commit t$i
 145        done &&
 146        git rev-list t1^! --not t$i >result &&
 147        >expect &&
 148        test_cmp expect result
 149'
 150test_done