t/t3431-rebase-fork-point.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2019 Denton Liu
   4 #
   5
   6 test_description='git rebase --fork-point test'
   7
   8 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   9 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
  10
  11 . ./test-lib.sh
  12
  13 # A---B---D---E    (main)
  14 #      \
  15 #       C*---F---G (side)
  16 #
  17 # C was formerly part of main but main was rewound to remove C
  18 #
  19 test_expect_success setup '
  20         test_commit A &&
  21         test_commit B &&
  22         test_commit C &&
  23         git branch -t side &&
  24         git reset --hard HEAD^ &&
  25         test_commit D &&
  26         test_commit E &&
  27         git checkout side &&
  28         test_commit F &&
  29         test_commit G
  30 '
  31
  32 do_test_rebase () {
  33         expected="$1" &&
  34         shift &&
  35         git checkout main &&
  36         git reset --hard E &&
  37         git checkout side &&
  38         git reset --hard G &&
  39         git rebase $* &&
  40         test_write_lines $expected >expect &&
  41         git log --pretty=%s >actual &&
  42         test_cmp expect actual
  43 }
  44
  45 test_rebase () {
  46         expected="$1" &&
  47         shift &&
  48         test_expect_success "git rebase $*" "do_test_rebase '$expected' $*"
  49 }
  50
  51 test_rebase 'G F E D B A'
  52 test_rebase 'G F D B A' --onto D
  53 test_rebase 'G F B A' --keep-base
  54 test_rebase 'G F C E D B A' --no-fork-point
  55 test_rebase 'G F C D B A' --no-fork-point --onto D
  56 test_rebase 'G F C B A' --no-fork-point --keep-base
  57
  58 test_rebase 'G F E D B A' --fork-point refs/heads/main
  59 test_rebase 'G F E D B A' --fork-point main
  60
  61 test_rebase 'G F D B A' --fork-point --onto D refs/heads/main
  62 test_rebase 'G F D B A' --fork-point --onto D main
  63
  64 test_rebase 'G F B A' --fork-point --keep-base refs/heads/main
  65 test_rebase 'G F B A' --fork-point --keep-base main
  66
  67 test_rebase 'G F C E D B A' refs/heads/main
  68 test_rebase 'G F C E D B A' main
  69
  70 test_rebase 'G F C D B A' --onto D refs/heads/main
  71 test_rebase 'G F C D B A' --onto D main
  72
  73 test_rebase 'G F C B A' --keep-base refs/heads/main
  74 test_rebase 'G F C B A' --keep-base main
  75
  76 test_expect_success 'git rebase --fork-point with ambigous refname' '
  77         git checkout main &&
  78         git checkout -b one &&
  79         git checkout side &&
  80         git tag one &&
  81         test_must_fail git rebase --fork-point --onto D one
  82 '
  83
  84 test_expect_success '--fork-point and --root both given' '
  85         test_must_fail git rebase --fork-point --root 2>err &&
  86         test_i18ngrep "cannot be used together" err
  87 '
  88
  89 test_expect_success 'rebase.forkPoint set to false' '
  90         test_config rebase.forkPoint false &&
  91         do_test_rebase "G F C E D B A"
  92 '
  93
  94 test_expect_success 'rebase.forkPoint set to false and then to true' '
  95         test_config_global rebase.forkPoint false &&
  96         test_config rebase.forkPoint true &&
  97         do_test_rebase "G F E D B A"
  98 '
  99
 100 test_expect_success 'rebase.forkPoint set to false and command line says --fork-point' '
 101         test_config rebase.forkPoint false &&
 102         do_test_rebase "G F E D B A" --fork-point
 103 '
 104
 105 test_expect_success 'rebase.forkPoint set to true and command line says --no-fork-point' '
 106         test_config rebase.forkPoint true &&
 107         do_test_rebase "G F C E D B A" --no-fork-point
 108 '
 109
 110 test_expect_success 'rebase.forkPoint set to true and --root given' '
 111         test_config rebase.forkPoint true &&
 112         git rebase --root
 113 '
 114
 115 test_done