#!/bin/sh # # Copyright (c) 2007 Carlos Rica # test_description='git reset Documented tests for git reset' . ./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 $(commit_msg) > .expected && test_i18ncmp .expected .actual ' test_expect_success 'reset --hard message (ISO8859-1 logoutputencoding)' ' hex=$(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_i18ncmp .expected .actual ' >.diff_expect >.cached_expect cat >.cat_expect <<EOF secondfile: 1st line 2nd file 2nd line 2nd file EOF test_expect_success 'giving a non existing revision should fail' ' 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 master && 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 master && 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 ' >.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 test_expect_success '--soft reset only should show changes in diff --cached' ' git reset --soft HEAD^ && check_changes $head5p1 && test "$(git rev-parse ORIG_HEAD)" = \ $head5 ' >.diff_expect >.cached_expect cat >.cat_expect <<EOF secondfile: 1st line 2nd file 2nd line 2nd file 3rd line 2nd file EOF test_expect_success \ 'changing files and redo the last commit should succeed' ' echo "3rd line 2nd file" >>secondfile && git commit -a -C ORIG_HEAD && head4=$(git rev-parse --verify HEAD) && check_changes $head4 && test "$(git rev-parse ORIG_HEAD)" = \ $head5 ' >.diff_expect >.cached_expect cat >.cat_expect <<EOF first: 1st file 2nd line 1st file second: 2nd file EOF test_expect_success \ '--hard reset should change the files and undo commits permanently' ' git reset --hard HEAD~2 && check_changes $head5p2 && test "$(git rev-parse ORIG_HEAD)" = \ $head4 ' >.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 test_expect_success \ 'redoing changes adding them without commit them should succeed' ' 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 ' 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 test_expect_success '--mixed reset to HEAD should unadd the files' ' git reset && check_changes $head5p2 && test "$(git rev-parse ORIG_HEAD)" = $head5p2 ' >.diff_expect >.cached_expect cat >.cat_expect <<EOF secondfile: 1st line 2nd file 2nd line 2nd file EOF test_expect_success 'redoing the last two commits should succeed' ' 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 $head5 ' >.diff_expect >.cached_expect cat >.cat_expect <<EOF secondfile: 1st line 2nd file 2nd line 2nd file 3rd line in branch2 EOF test_expect_success '--hard reset to HEAD should clear a failed merge' ' git branch branch1 && git branch branch2 && git checkout branch1 && echo "3rd line in branch1" >>secondfile && git commit -a -m "change in branch1" && git checkout branch2 && echo "3rd line in branch2" >>secondfile && git commit -a -m "change in branch2" && head3=$(git rev-parse --verify HEAD) && test_must_fail git pull . branch1 && git reset --hard && check_changes $head3 ' >.diff_expect >.cached_expect cat >.cat_expect <<EOF secondfile: 1st line 2nd file 2nd line 2nd file EOF test_expect_success \ '--hard reset to ORIG_HEAD should clear a fast-forward merge' ' git reset --hard HEAD^ && check_changes $head5 && git pull . branch1 && git reset --hard ORIG_HEAD && check_changes $head5 && git checkout master && 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" != "$U" ' test_expect_success 'resetting an unmodified path is a no-op' ' git reset --hard && git reset -- file1 && git diff-files --exit-code && git diff-index --cached --exit-code HEAD ' cat > expect << EOF Unstaged changes after reset: M file2 EOF test_expect_success '--mixed refreshes the index' ' echo 123 >> file2 && git reset --mixed HEAD > output && test_i18ncmp expect output ' test_expect_success 'resetting specific path that is unmerged' ' git rm --cached file2 && F1=$(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