| 1 | #!/bin/sh |
| 2 | |
| 3 | test_description='checkout can switch to last branch and merge base' |
| 4 | |
| 5 | GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main |
| 6 | export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME |
| 7 | |
| 8 | . ./test-lib.sh |
| 9 | |
| 10 | test_expect_success 'setup' ' |
| 11 | test_commit initial world hello && |
| 12 | git branch other && |
| 13 | test_commit --append second world "hello again" |
| 14 | ' |
| 15 | |
| 16 | test_expect_success '"checkout -" does not work initially' ' |
| 17 | test_must_fail git checkout - |
| 18 | ' |
| 19 | |
| 20 | test_expect_success 'first branch switch' ' |
| 21 | git checkout other |
| 22 | ' |
| 23 | |
| 24 | test_cmp_symbolic_HEAD_ref () { |
| 25 | echo refs/heads/"$1" >expect && |
| 26 | git symbolic-ref HEAD >actual && |
| 27 | test_cmp expect actual |
| 28 | } |
| 29 | |
| 30 | test_expect_success '"checkout -" switches back' ' |
| 31 | git checkout - && |
| 32 | test_cmp_symbolic_HEAD_ref main |
| 33 | ' |
| 34 | |
| 35 | test_expect_success '"checkout -" switches forth' ' |
| 36 | git checkout - && |
| 37 | test_cmp_symbolic_HEAD_ref other |
| 38 | ' |
| 39 | |
| 40 | test_expect_success 'detach HEAD' ' |
| 41 | git checkout $(git rev-parse HEAD) |
| 42 | ' |
| 43 | |
| 44 | test_expect_success '"checkout -" attaches again' ' |
| 45 | git checkout - && |
| 46 | test_cmp_symbolic_HEAD_ref other |
| 47 | ' |
| 48 | |
| 49 | test_expect_success '"checkout -" detaches again' ' |
| 50 | git checkout - && |
| 51 | |
| 52 | git rev-parse other >expect && |
| 53 | git rev-parse HEAD >actual && |
| 54 | test_cmp expect actual && |
| 55 | |
| 56 | test_must_fail git symbolic-ref HEAD |
| 57 | ' |
| 58 | |
| 59 | test_expect_success 'more switches' ' |
| 60 | for i in 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 |
| 61 | do |
| 62 | git checkout -b branch$i || return 1 |
| 63 | done |
| 64 | ' |
| 65 | |
| 66 | more_switches () { |
| 67 | for i in 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 |
| 68 | do |
| 69 | git checkout branch$i || return 1 |
| 70 | done |
| 71 | } |
| 72 | |
| 73 | test_expect_success 'switch to the last' ' |
| 74 | more_switches && |
| 75 | git checkout @{-1} && |
| 76 | test_cmp_symbolic_HEAD_ref branch2 |
| 77 | ' |
| 78 | |
| 79 | test_expect_success 'switch to second from the last' ' |
| 80 | more_switches && |
| 81 | git checkout @{-2} && |
| 82 | test_cmp_symbolic_HEAD_ref branch3 |
| 83 | ' |
| 84 | |
| 85 | test_expect_success 'switch to third from the last' ' |
| 86 | more_switches && |
| 87 | git checkout @{-3} && |
| 88 | test_cmp_symbolic_HEAD_ref branch4 |
| 89 | ' |
| 90 | |
| 91 | test_expect_success 'switch to fourth from the last' ' |
| 92 | more_switches && |
| 93 | git checkout @{-4} && |
| 94 | test_cmp_symbolic_HEAD_ref branch5 |
| 95 | ' |
| 96 | |
| 97 | test_expect_success 'switch to twelfth from the last' ' |
| 98 | more_switches && |
| 99 | git checkout @{-12} && |
| 100 | test_cmp_symbolic_HEAD_ref branch13 |
| 101 | ' |
| 102 | |
| 103 | test_expect_success 'merge base test setup' ' |
| 104 | git checkout -b another other && |
| 105 | test_commit --append third world "hello again" |
| 106 | ' |
| 107 | |
| 108 | test_expect_success 'another...main' ' |
| 109 | git checkout another && |
| 110 | git checkout another...main && |
| 111 | |
| 112 | git rev-parse --verify main^ >expect && |
| 113 | git rev-parse --verify HEAD >actual && |
| 114 | test_cmp expect actual |
| 115 | ' |
| 116 | |
| 117 | test_expect_success '...main' ' |
| 118 | git checkout another && |
| 119 | git checkout ...main && |
| 120 | |
| 121 | git rev-parse --verify main^ >expect && |
| 122 | git rev-parse --verify HEAD >actual && |
| 123 | test_cmp expect actual |
| 124 | ' |
| 125 | |
| 126 | test_expect_success 'main...' ' |
| 127 | git checkout another && |
| 128 | git checkout main... && |
| 129 | |
| 130 | git rev-parse --verify main^ >expect && |
| 131 | git rev-parse --verify HEAD >actual && |
| 132 | test_cmp expect actual |
| 133 | ' |
| 134 | |
| 135 | test_expect_success '"checkout -" works after a rebase A' ' |
| 136 | git checkout main && |
| 137 | git checkout other && |
| 138 | git rebase main && |
| 139 | git checkout - && |
| 140 | test_cmp_symbolic_HEAD_ref main |
| 141 | ' |
| 142 | |
| 143 | test_expect_success '"checkout -" works after a rebase A B' ' |
| 144 | git branch moodle main~1 && |
| 145 | git checkout main && |
| 146 | git checkout other && |
| 147 | git rebase main moodle && |
| 148 | git checkout - && |
| 149 | test_cmp_symbolic_HEAD_ref main |
| 150 | ' |
| 151 | |
| 152 | test_expect_success '"checkout -" works after a rebase -i A' ' |
| 153 | git checkout main && |
| 154 | git checkout other && |
| 155 | git rebase -i main && |
| 156 | git checkout - && |
| 157 | test_cmp_symbolic_HEAD_ref main |
| 158 | ' |
| 159 | |
| 160 | test_expect_success '"checkout -" works after a rebase -i A B' ' |
| 161 | git branch foodle main~1 && |
| 162 | git checkout main && |
| 163 | git checkout other && |
| 164 | git rebase main foodle && |
| 165 | git checkout - && |
| 166 | test_cmp_symbolic_HEAD_ref main |
| 167 | ' |
| 168 | |
| 169 | test_done |