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