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Diffstat (limited to 't/t7102-reset.sh')
| -rwxr-xr-x | t/t7102-reset.sh | 609 |
1 files changed, 609 insertions, 0 deletions
diff --git a/t/t7102-reset.sh b/t/t7102-reset.sh new file mode 100755 index 0000000..22477f3 --- /dev/null +++ b/t/t7102-reset.sh @@ -0,0 +1,609 @@ +#!/bin/sh +# +# Copyright (c) 2007 Carlos Rica +# + +test_description='git reset + +Documented tests for git reset' + +GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main +export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME + +. ./test-lib.sh + +commit_msg () { + # String "modify 2nd file (changed)" partly in German + # (translated with Google Translate), + # encoded in UTF-8, used as a commit log message below. + msg="modify 2nd file (ge\303\244ndert)\n" + if test -n "$1" + then + printf "$msg" | iconv -f utf-8 -t "$1" + else + printf "$msg" + fi +} + +# Tested non-UTF-8 encoding +test_encoding="ISO8859-1" + +test_expect_success 'creating initial files and commits' ' + test_tick && + echo "1st file" >first && + git add first && + git commit -m "create 1st file" && + + echo "2nd file" >second && + git add second && + git commit -m "create 2nd file" && + + echo "2nd line 1st file" >>first && + git commit -a -m "modify 1st file" && + head5p2=$(git rev-parse --verify HEAD) && + head5p2f=$(git rev-parse --short HEAD:first) && + + git rm first && + git mv second secondfile && + git commit -a -m "remove 1st and rename 2nd" && + head5p1=$(git rev-parse --verify HEAD) && + head5p1s=$(git rev-parse --short HEAD:secondfile) && + + echo "1st line 2nd file" >secondfile && + echo "2nd line 2nd file" >>secondfile && + # "git commit -m" would break MinGW, as Windows refuse to pass + # $test_encoding encoded parameter to git. + commit_msg $test_encoding | git -c "i18n.commitEncoding=$test_encoding" commit -a -F - && + head5=$(git rev-parse --verify HEAD) && + head5s=$(git rev-parse --short HEAD:secondfile) && + head5sl=$(git rev-parse HEAD:secondfile) +' +# git log --pretty=oneline # to see those SHA1 involved + +check_changes () { + test "$(git rev-parse HEAD)" = "$1" && + git diff | test_cmp .diff_expect - && + git diff --cached | test_cmp .cached_expect - && + for FILE in * + do + echo $FILE':' + cat $FILE || return + done | test_cmp .cat_expect - +} + +test_expect_success 'reset --hard message' ' + hex=$(git log -1 --format="%h") && + git reset --hard >.actual && + echo HEAD is now at $hex $(commit_msg) >.expected && + test_cmp .expected .actual +' + +test_expect_success 'reset --hard message (ISO8859-1 logoutputencoding)' ' + hex=$(git log -1 --format="%h") && + git -c "i18n.logOutputEncoding=$test_encoding" reset --hard >.actual && + echo HEAD is now at $hex $(commit_msg $test_encoding) >.expected && + test_cmp .expected .actual +' + +test_expect_success 'giving a non existing revision should fail' ' + >.diff_expect && + >.cached_expect && + cat >.cat_expect <<-\EOF && + secondfile: + 1st line 2nd file + 2nd line 2nd file + EOF + + test_must_fail git reset aaaaaa && + test_must_fail git reset --mixed aaaaaa && + test_must_fail git reset --soft aaaaaa && + test_must_fail git reset --hard aaaaaa && + check_changes $head5 +' + +test_expect_success 'reset --soft with unmerged index should fail' ' + touch .git/MERGE_HEAD && + echo "100644 $head5sl 1 un" | + git update-index --index-info && + test_must_fail git reset --soft HEAD && + rm .git/MERGE_HEAD && + git rm --cached -- un +' + +test_expect_success 'giving paths with options different than --mixed should fail' ' + test_must_fail git reset --soft -- first && + test_must_fail git reset --hard -- first && + test_must_fail git reset --soft HEAD^ -- first && + test_must_fail git reset --hard HEAD^ -- first && + check_changes $head5 +' + +test_expect_success 'giving unrecognized options should fail' ' + test_must_fail git reset --other && + test_must_fail git reset -o && + test_must_fail git reset --mixed --other && + test_must_fail git reset --mixed -o && + test_must_fail git reset --soft --other && + test_must_fail git reset --soft -o && + test_must_fail git reset --hard --other && + test_must_fail git reset --hard -o && + check_changes $head5 +' + +test_expect_success 'trying to do reset --soft with pending merge should fail' ' + git branch branch1 && + git branch branch2 && + + git checkout branch1 && + echo "3rd line in branch1" >>secondfile && + git commit -a -m "change in branch1" && + + git checkout branch2 && + echo "3rd line in branch2" >>secondfile && + git commit -a -m "change in branch2" && + + test_must_fail git merge branch1 && + test_must_fail git reset --soft && + + printf "1st line 2nd file\n2nd line 2nd file\n3rd line" >secondfile && + git commit -a -m "the change in branch2" && + + git checkout main && + git branch -D branch1 branch2 && + check_changes $head5 +' + +test_expect_success 'trying to do reset --soft with pending checkout merge should fail' ' + git branch branch3 && + git branch branch4 && + + git checkout branch3 && + echo "3rd line in branch3" >>secondfile && + git commit -a -m "line in branch3" && + + git checkout branch4 && + echo "3rd line in branch4" >>secondfile && + + git checkout -m branch3 && + test_must_fail git reset --soft && + + printf "1st line 2nd file\n2nd line 2nd file\n3rd line" >secondfile && + git commit -a -m "the line in branch3" && + + git checkout main && + git branch -D branch3 branch4 && + check_changes $head5 +' + +test_expect_success 'resetting to HEAD with no changes should succeed and do nothing' ' + git reset --hard && + check_changes $head5 && + git reset --hard HEAD && + check_changes $head5 && + git reset --soft && + check_changes $head5 && + git reset --soft HEAD && + check_changes $head5 && + git reset --mixed && + check_changes $head5 && + git reset --mixed HEAD && + check_changes $head5 && + git reset && + check_changes $head5 && + git reset HEAD && + check_changes $head5 +' + +test_expect_success '--soft reset only should show changes in diff --cached' ' + >.diff_expect && + cat >.cached_expect <<-EOF && + diff --git a/secondfile b/secondfile + index $head5p1s..$head5s 100644 + --- a/secondfile + +++ b/secondfile + @@ -1 +1,2 @@ + -2nd file + +1st line 2nd file + +2nd line 2nd file + EOF + cat >.cat_expect <<-\EOF && + secondfile: + 1st line 2nd file + 2nd line 2nd file + EOF + git reset --soft HEAD^ && + check_changes $head5p1 && + test "$(git rev-parse ORIG_HEAD)" = \ + $head5 +' + +test_expect_success 'changing files and redo the last commit should succeed' ' + >.diff_expect && + >.cached_expect && + cat >.cat_expect <<-\EOF && + secondfile: + 1st line 2nd file + 2nd line 2nd file + 3rd line 2nd file + EOF + echo "3rd line 2nd file" >>secondfile && + git commit -a -C ORIG_HEAD && + head4=$(git rev-parse --verify HEAD) && + check_changes $head4 && + test "$(git rev-parse ORIG_HEAD)" = \ + $head5 +' + +test_expect_success '--hard reset should change the files and undo commits permanently' ' + >.diff_expect && + >.cached_expect && + cat >.cat_expect <<-\EOF && + first: + 1st file + 2nd line 1st file + second: + 2nd file + EOF + git reset --hard HEAD~2 && + check_changes $head5p2 && + test "$(git rev-parse ORIG_HEAD)" = \ + $head4 +' + +test_expect_success 'redoing changes adding them without commit them should succeed' ' + >.diff_expect && + cat >.cached_expect <<-EOF && + diff --git a/first b/first + deleted file mode 100644 + index $head5p2f..0000000 + --- a/first + +++ /dev/null + @@ -1,2 +0,0 @@ + -1st file + -2nd line 1st file + diff --git a/second b/second + deleted file mode 100644 + index $head5p1s..0000000 + --- a/second + +++ /dev/null + @@ -1 +0,0 @@ + -2nd file + diff --git a/secondfile b/secondfile + new file mode 100644 + index 0000000..$head5s + --- /dev/null + +++ b/secondfile + @@ -0,0 +1,2 @@ + +1st line 2nd file + +2nd line 2nd file + EOF + cat >.cat_expect <<-\EOF && + secondfile: + 1st line 2nd file + 2nd line 2nd file + EOF + git rm first && + git mv second secondfile && + + echo "1st line 2nd file" >secondfile && + echo "2nd line 2nd file" >>secondfile && + git add secondfile && + check_changes $head5p2 +' + +test_expect_success '--mixed reset to HEAD should unadd the files' ' + cat >.diff_expect <<-EOF && + diff --git a/first b/first + deleted file mode 100644 + index $head5p2f..0000000 + --- a/first + +++ /dev/null + @@ -1,2 +0,0 @@ + -1st file + -2nd line 1st file + diff --git a/second b/second + deleted file mode 100644 + index $head5p1s..0000000 + --- a/second + +++ /dev/null + @@ -1 +0,0 @@ + -2nd file + EOF + >.cached_expect && + cat >.cat_expect <<-\EOF && + secondfile: + 1st line 2nd file + 2nd line 2nd file + EOF + git reset && + check_changes $head5p2 && + test "$(git rev-parse ORIG_HEAD)" = $head5p2 +' + +test_expect_success 'redoing the last two commits should succeed' ' + >.diff_expect && + >.cached_expect && + cat >.cat_expect <<-\EOF && + secondfile: + 1st line 2nd file + 2nd line 2nd file + EOF + git add secondfile && + git reset --hard $head5p2 && + git rm first && + git mv second secondfile && + git commit -a -m "remove 1st and rename 2nd" && + + echo "1st line 2nd file" >secondfile && + echo "2nd line 2nd file" >>secondfile && + # "git commit -m" would break MinGW, as Windows refuse to pass + # $test_encoding encoded parameter to git. + commit_msg $test_encoding | git -c "i18n.commitEncoding=$test_encoding" commit -a -F - && + check_changes $head5 +' + +test_expect_success '--hard reset to HEAD should clear a failed merge' ' + >.diff_expect && + >.cached_expect && + cat >.cat_expect <<-\EOF && + secondfile: + 1st line 2nd file + 2nd line 2nd file + 3rd line in branch2 + EOF + git branch branch1 && + git branch branch2 && + + git checkout branch1 && + echo "3rd line in branch1" >>secondfile && + git commit -a -m "change in branch1" && + + git checkout branch2 && + echo "3rd line in branch2" >>secondfile && + git commit -a -m "change in branch2" && + head3=$(git rev-parse --verify HEAD) && + + test_must_fail git pull . branch1 && + git reset --hard && + check_changes $head3 +' + +test_expect_success '--hard reset to ORIG_HEAD should clear a fast-forward merge' ' + >.diff_expect && + >.cached_expect && + cat >.cat_expect <<-\EOF && + secondfile: + 1st line 2nd file + 2nd line 2nd file + EOF + git reset --hard HEAD^ && + check_changes $head5 && + + git pull . branch1 && + git reset --hard ORIG_HEAD && + check_changes $head5 && + + git checkout main && + git branch -D branch1 branch2 && + check_changes $head5 +' + +test_expect_success 'test --mixed <paths>' ' + echo 1 >file1 && + echo 2 >file2 && + git add file1 file2 && + test_tick && + git commit -m files && + before1=$(git rev-parse --short HEAD:file1) && + before2=$(git rev-parse --short HEAD:file2) && + git rm file2 && + echo 3 >file3 && + echo 4 >file4 && + echo 5 >file1 && + after1=$(git rev-parse --short $(git hash-object file1)) && + after4=$(git rev-parse --short $(git hash-object file4)) && + git add file1 file3 file4 && + git reset HEAD -- file1 file2 file3 && + test_must_fail git diff --quiet && + git diff >output && + + cat >expect <<-EOF && + diff --git a/file1 b/file1 + index $before1..$after1 100644 + --- a/file1 + +++ b/file1 + @@ -1 +1 @@ + -1 + +5 + diff --git a/file2 b/file2 + deleted file mode 100644 + index $before2..0000000 + --- a/file2 + +++ /dev/null + @@ -1 +0,0 @@ + -2 + EOF + + test_cmp expect output && + git diff --cached >output && + + cat >cached_expect <<-EOF && + diff --git a/file4 b/file4 + new file mode 100644 + index 0000000..$after4 + --- /dev/null + +++ b/file4 + @@ -0,0 +1 @@ + +4 + EOF + + test_cmp cached_expect output +' + +test_expect_success 'test resetting the index at give paths' ' + mkdir sub && + >sub/file1 && + >sub/file2 && + git update-index --add sub/file1 sub/file2 && + T=$(git write-tree) && + git reset HEAD sub/file2 && + test_must_fail git diff --quiet && + U=$(git write-tree) && + echo "$T" && + echo "$U" && + test_must_fail git diff-index --cached --exit-code "$T" && + test "$T" != "$U" +' + +test_expect_success 'resetting an unmodified path is a no-op' ' + git reset --hard && + git reset -- file1 && + git diff-files --exit-code && + git diff-index --cached --exit-code HEAD +' + +test_reset_refreshes_index () { + + # To test whether the index is refreshed in `git reset --mixed` with + # the given options, create a scenario where we clearly see different + # results depending on whether the refresh occurred or not. + + # Step 0: start with a clean index + git reset --hard HEAD && + + # Step 1: remove file2, but only in the index (no change to worktree) + git rm --cached file2 && + + # Step 2: reset index & leave worktree unchanged from HEAD + git $1 reset $2 --mixed HEAD && + + # Step 3: verify whether the index is refreshed by checking whether + # file2 still has staged changes in the index differing from HEAD (if + # the refresh occurred, there should be no such changes) + git diff-files >output.log && + test_must_be_empty output.log +} + +test_expect_success '--mixed refreshes the index' ' + # Verify default behavior (without --[no-]refresh or reset.refresh) + test_reset_refreshes_index && + + # With --quiet + test_reset_refreshes_index "" --quiet +' + +test_expect_success '--mixed --[no-]refresh sets refresh behavior' ' + # Verify that --[no-]refresh controls index refresh + test_reset_refreshes_index "" --refresh && + ! test_reset_refreshes_index "" --no-refresh +' + +test_expect_success '--mixed preserves skip-worktree' ' + echo 123 >>file2 && + git add file2 && + git update-index --skip-worktree file2 && + git reset --mixed HEAD >output && + test_must_be_empty output && + + cat >expect <<-\EOF && + Unstaged changes after reset: + M file2 + EOF + git update-index --no-skip-worktree file2 && + git add file2 && + git reset --mixed HEAD >output && + test_cmp expect output +' + +test_expect_success 'resetting specific path that is unmerged' ' + git rm --cached file2 && + F1=$(git rev-parse HEAD:file1) && + F2=$(git rev-parse HEAD:file2) && + F3=$(git rev-parse HEAD:secondfile) && + { + echo "100644 $F1 1 file2" && + echo "100644 $F2 2 file2" && + echo "100644 $F3 3 file2" + } | git update-index --index-info && + git ls-files -u && + git reset HEAD file2 && + test_must_fail git diff --quiet && + git diff-index --exit-code --cached HEAD +' + +test_expect_success 'disambiguation (1)' ' + git reset --hard && + >secondfile && + git add secondfile && + git reset secondfile && + test_must_fail git diff --quiet -- secondfile && + test -z "$(git diff --cached --name-only)" && + test -f secondfile && + test_must_be_empty secondfile +' + +test_expect_success 'disambiguation (2)' ' + git reset --hard && + >secondfile && + git add secondfile && + rm -f secondfile && + test_must_fail git reset secondfile && + test -n "$(git diff --cached --name-only -- secondfile)" && + test ! -f secondfile +' + +test_expect_success 'disambiguation (3)' ' + git reset --hard && + >secondfile && + git add secondfile && + rm -f secondfile && + git reset HEAD secondfile && + test_must_fail git diff --quiet && + test -z "$(git diff --cached --name-only)" && + test ! -f secondfile +' + +test_expect_success 'disambiguation (4)' ' + git reset --hard && + >secondfile && + git add secondfile && + rm -f secondfile && + git reset -- secondfile && + test_must_fail git diff --quiet && + test -z "$(git diff --cached --name-only)" && + test ! -f secondfile +' + +test_expect_success 'reset with paths accepts tree' ' + # for simpler tests, drop last commit containing added files + git reset --hard HEAD^ && + git reset HEAD^^{tree} -- . && + git diff --cached HEAD^ --exit-code && + git diff HEAD --exit-code +' + +test_expect_success 'reset -N keeps removed files as intent-to-add' ' + echo new-file >new-file && + git add new-file && + git reset -N HEAD && + + tree=$(git write-tree) && + git ls-tree $tree new-file >actual && + test_must_be_empty actual && + + git diff --name-only >actual && + echo new-file >expect && + test_cmp expect actual +' + +test_expect_success 'reset --mixed sets up work tree' ' + git init mixed_worktree && + ( + cd mixed_worktree && + test_commit dummy + ) && + git --git-dir=mixed_worktree/.git --work-tree=mixed_worktree reset >actual && + test_must_be_empty actual +' + +test_done |