t/t3404-rebase-interactive.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2007 Johannes E. Schindelin
   4 #
   5
   6 test_description='git rebase interactive
   7
   8 This test runs git rebase "interactively", by faking an edit, and verifies
   9 that the result still makes sense.
  10 '
  11 . ./test-lib.sh
  12
  13 # set up two branches like this:
  14 #
  15 # A - B - C - D - E
  16 #   \
  17 #     F - G - H
  18 #       \
  19 #         I
  20 #
  21 # where B, D and G touch the same file.
  22
  23 test_expect_success 'setup' '
  24         : > file1 &&
  25         git add file1 &&
  26         test_tick &&
  27         git commit -m A &&
  28         git tag A &&
  29         echo 1 > file1 &&
  30         test_tick &&
  31         git commit -m B file1 &&
  32         : > file2 &&
  33         git add file2 &&
  34         test_tick &&
  35         git commit -m C &&
  36         echo 2 > file1 &&
  37         test_tick &&
  38         git commit -m D file1 &&
  39         : > file3 &&
  40         git add file3 &&
  41         test_tick &&
  42         git commit -m E &&
  43         git checkout -b branch1 A &&
  44         : > file4 &&
  45         git add file4 &&
  46         test_tick &&
  47         git commit -m F &&
  48         git tag F &&
  49         echo 3 > file1 &&
  50         test_tick &&
  51         git commit -m G file1 &&
  52         : > file5 &&
  53         git add file5 &&
  54         test_tick &&
  55         git commit -m H &&
  56         git checkout -b branch2 F &&
  57         : > file6 &&
  58         git add file6 &&
  59         test_tick &&
  60         git commit -m I &&
  61         git tag I
  62 '
  63
  64 cat > fake-editor.sh << EOF
  65 #!/bin/sh
  66 test "\$1" = .git/COMMIT_EDITMSG && {
  67         test -z "\$FAKE_COMMIT_MESSAGE" || echo "\$FAKE_COMMIT_MESSAGE" > "\$1"
  68         test -z "\$FAKE_COMMIT_AMEND" || echo "\$FAKE_COMMIT_AMEND" >> "\$1"
  69         exit
  70 }
  71 test -z "\$FAKE_LINES" && exit
  72 grep -v "^#" < "\$1" > "\$1".tmp
  73 rm "\$1"
  74 cat "\$1".tmp
  75 action=pick
  76 for line in \$FAKE_LINES; do
  77         case \$line in
  78         squash)
  79                 action="\$line";;
  80         *)
  81                 echo sed -n "\${line}s/^pick/\$action/p"
  82                 sed -n "\${line}p" < "\$1".tmp
  83                 sed -n "\${line}s/^pick/\$action/p" < "\$1".tmp >> "\$1"
  84                 action=pick;;
  85         esac
  86 done
  87 EOF
  88
  89 chmod a+x fake-editor.sh
  90 VISUAL="$(pwd)/fake-editor.sh"
  91 export VISUAL
  92
  93 test_expect_success 'no changes are a nop' '
  94         git rebase -i F &&
  95         test $(git rev-parse I) = $(git rev-parse HEAD)
  96 '
  97
  98 test_expect_success 'rebase on top of a non-conflicting commit' '
  99         git checkout branch1 &&
 100         git tag original-branch1 &&
 101         git rebase -i branch2 &&
 102         test file6 = $(git diff --name-only original-branch1) &&
 103         test $(git rev-parse I) = $(git rev-parse HEAD~2)
 104 '
 105
 106 test_expect_success 'reflog for the branch shows state before rebase' '
 107         test $(git rev-parse branch1@{1}) = $(git rev-parse original-branch1)
 108 '
 109
 110 test_expect_success 'exchange two commits' '
 111         FAKE_LINES="2 1" git rebase -i HEAD~2 &&
 112         test H = $(git cat-file commit HEAD^ | tail -n 1) &&
 113         test G = $(git cat-file commit HEAD | tail -n 1)
 114 '
 115
 116 cat > expect << EOF
 117 diff --git a/file1 b/file1
 118 index e69de29..00750ed 100644
 119 --- a/file1
 120 +++ b/file1
 121 @@ -0,0 +1 @@
 122 +3
 123 EOF
 124
 125 cat > expect2 << EOF
 126 <<<<<<< HEAD:file1
 127 2
 128 =======
 129 3
 130 >>>>>>> b7ca976... G:file1
 131 EOF
 132
 133 test_expect_success 'stop on conflicting pick' '
 134         git tag new-branch1 &&
 135         ! git rebase -i master &&
 136         diff -u expect .git/.dotest-merge/patch &&
 137         diff -u expect2 file1 &&
 138         test 4 = $(grep -v "^#" < .git/.dotest-merge/done | wc -l) &&
 139         test 0 = $(grep -v "^#" < .git/.dotest-merge/todo | wc -l)
 140 '
 141
 142 test_expect_success 'abort' '
 143         git rebase --abort &&
 144         test $(git rev-parse new-branch1) = $(git rev-parse HEAD) &&
 145         ! test -d .git/.dotest-merge
 146 '
 147
 148 test_expect_success 'retain authorship' '
 149         echo A > file7 &&
 150         git add file7 &&
 151         test_tick &&
 152         GIT_AUTHOR_NAME="Twerp Snog" git commit -m "different author" &&
 153         git tag twerp &&
 154         git rebase -i --onto master HEAD^ &&
 155         git show HEAD | grep "^Author: Twerp Snog"
 156 '
 157
 158 test_expect_success 'squash' '
 159         git reset --hard twerp &&
 160         echo B > file7 &&
 161         test_tick &&
 162         GIT_AUTHOR_NAME="Nitfol" git commit -m "nitfol" file7 &&
 163         echo "******************************" &&
 164         FAKE_LINES="1 squash 2" git rebase -i --onto master HEAD~2 &&
 165         test B = $(cat file7) &&
 166         test $(git rev-parse HEAD^) = $(git rev-parse master)
 167 '
 168
 169 test_expect_success 'retain authorship when squashing' '
 170         git show HEAD | grep "^Author: Nitfol"
 171 '
 172
 173 test_expect_success 'preserve merges with -p' '
 174         git checkout -b to-be-preserved master^ &&
 175         : > unrelated-file &&
 176         git add unrelated-file &&
 177         test_tick &&
 178         git commit -m "unrelated" &&
 179         git checkout -b to-be-rebased master &&
 180         echo B > file1 &&
 181         test_tick &&
 182         git commit -m J file1 &&
 183         test_tick &&
 184         git merge to-be-preserved &&
 185         echo C > file1 &&
 186         test_tick &&
 187         git commit -m K file1 &&
 188         test_tick &&
 189         git rebase -i -p --onto branch1 master &&
 190         test $(git rev-parse HEAD^^2) = $(git rev-parse to-be-preserved) &&
 191         test $(git rev-parse HEAD~3) = $(git rev-parse branch1) &&
 192         test $(git show HEAD:file1) = C &&
 193         test $(git show HEAD~2:file1) = B
 194 '
 195
 196 test_expect_success '--continue tries to commit' '
 197         test_tick &&
 198         ! git rebase -i --onto new-branch1 HEAD^ &&
 199         echo resolved > file1 &&
 200         git add file1 &&
 201         FAKE_COMMIT_MESSAGE="chouette!" git rebase --continue &&
 202         test $(git rev-parse HEAD^) = $(git rev-parse new-branch1) &&
 203         git show HEAD | grep chouette
 204 '
 205
 206 test_expect_success 'verbose flag is heeded, even after --continue' '
 207         git reset --hard HEAD@{1} &&
 208         test_tick &&
 209         ! git rebase -v -i --onto new-branch1 HEAD^ &&
 210         echo resolved > file1 &&
 211         git add file1 &&
 212         git rebase --continue > output &&
 213         grep "^ file1 |    2 +-$" output
 214 '
 215
 216 test_expect_success 'multi-squash only fires up editor once' '
 217         base=$(git rev-parse HEAD~4) &&
 218         FAKE_COMMIT_AMEND="ONCE" FAKE_LINES="1 squash 2 squash 3 squash 4" \
 219                 git rebase -i $base &&
 220         test $base = $(git rev-parse HEAD^) &&
 221         test 1 = $(git show | grep ONCE | wc -l)
 222 '
 223
 224 test_done