Merge branch 'ap/rebase-multiple-fixups'
authorJunio C Hamano <gitster@pobox.com>
Mon, 1 Jul 2013 19:41:52 +0000 (12:41 -0700)
committerJunio C Hamano <gitster@pobox.com>
Mon, 1 Jul 2013 19:41:52 +0000 (12:41 -0700)
Having multiple "fixup!" on a line in the rebase instruction sheet
did not work very well with "git rebase -i --autosquash".

* ap/rebase-multiple-fixups:
lib-rebase: style: use write_script, <<-\EOF
rebase -i: handle fixup! fixup! in --autosquash

Documentation/git-rebase.txt
git-rebase--interactive.sh
t/lib-rebase.sh
t/t3415-rebase-autosquash.sh
index c84854ae87df094683600c559e88c13a8b770e01..6b2e1c86ab6c1084421e06b5f677264dc4099b6a 100644 (file)
@@ -389,7 +389,9 @@ squash/fixup series.
        the same ..., automatically modify the todo list of rebase -i
        so that the commit marked for squashing comes right after the
        commit to be modified, and change the action of the moved
-       commit from `pick` to `squash` (or `fixup`).
+       commit from `pick` to `squash` (or `fixup`).  Ignores subsequent
+       "fixup! " or "squash! " after the first, in case you referred to an
+       earlier fixup/squash with `git commit --fixup/--squash`.
 +
 This option is only valid when the '--interactive' option is used.
 +
index f953d8d22499b9e41d3c0ed86183655e39d807af..169e876eedac48f6367ea3ea3178c01e45cc0560 100644 (file)
@@ -689,8 +689,22 @@ rearrange_squash () {
                case "$message" in
                "squash! "*|"fixup! "*)
                        action="${message%%!*}"
-                       rest="${message#*! }"
-                       echo "$sha1 $action $rest"
+                       rest=$message
+                       prefix=
+                       # skip all squash! or fixup! (but save for later)
+                       while :
+                       do
+                               case "$rest" in
+                               "squash! "*|"fixup! "*)
+                                       prefix="$prefix${rest%%!*},"
+                                       rest="${rest#*! }"
+                                       ;;
+                               *)
+                                       break
+                                       ;;
+                               esac
+                       done
+                       echo "$sha1 $action $prefix $rest"
                        # if it's a single word, try to resolve to a full sha1 and
                        # emit a second copy. This allows us to match on both message
                        # and on sha1 prefix
@@ -699,7 +713,7 @@ rearrange_squash () {
                                if test -n "$fullsha"; then
                                        # prefix the action to uniquely identify this line as
                                        # intended for full sha1 match
-                                       echo "$sha1 +$action $fullsha"
+                                       echo "$sha1 +$action $prefix $fullsha"
                                fi
                        fi
                esac
@@ -714,7 +728,7 @@ rearrange_squash () {
                esac
                printf '%s\n' "$pick $sha1 $message"
                used="$used$sha1 "
-               while read -r squash action msg_content
+               while read -r squash action msg_prefix msg_content
                do
                        case " $used" in
                        *" $squash "*) continue ;;
@@ -730,7 +744,8 @@ rearrange_squash () {
                                case "$message" in "$msg_content"*) emit=1;; esac ;;
                        esac
                        if test $emit = 1; then
-                               printf '%s\n' "$action $squash $action! $msg_content"
+                               real_prefix=$(echo "$msg_prefix" | sed "s/,/! /g")
+                               printf '%s\n' "$action $squash ${real_prefix}$msg_content"
                                used="$used$squash "
                        fi
                done <"$1.sq"
index 4b74ae460b8943c176b6563d374e1663f89a1d7b..2451e6b1ea82317c649e47d7321beb1d1dce576f 100644 (file)
 #   ">" -- Add a blank line.
 
 set_fake_editor () {
-       echo "#!$SHELL_PATH" >fake-editor.sh
-       cat >> fake-editor.sh <<\EOF
-case "$1" in
-*/COMMIT_EDITMSG)
-       test -z "$EXPECT_HEADER_COUNT" ||
-               test "$EXPECT_HEADER_COUNT" = "$(sed -n '1s/^# This is a combination of \(.*\) commits\./\1/p' < "$1")" ||
+       write_script fake-editor.sh <<-\EOF
+       case "$1" in
+       */COMMIT_EDITMSG)
+               test -z "$EXPECT_HEADER_COUNT" ||
+                       test "$EXPECT_HEADER_COUNT" = "$(sed -n '1s/^# This is a combination of \(.*\) commits\./\1/p' < "$1")" ||
+                       exit
+               test -z "$FAKE_COMMIT_MESSAGE" || echo "$FAKE_COMMIT_MESSAGE" > "$1"
+               test -z "$FAKE_COMMIT_AMEND" || echo "$FAKE_COMMIT_AMEND" >> "$1"
                exit
-       test -z "$FAKE_COMMIT_MESSAGE" || echo "$FAKE_COMMIT_MESSAGE" > "$1"
-       test -z "$FAKE_COMMIT_AMEND" || echo "$FAKE_COMMIT_AMEND" >> "$1"
-       exit
-       ;;
-esac
-test -z "$EXPECT_COUNT" ||
-       test "$EXPECT_COUNT" = $(sed -e '/^#/d' -e '/^$/d' < "$1" | wc -l) ||
-       exit
-test -z "$FAKE_LINES" && exit
-grep -v '^#' < "$1" > "$1".tmp
-rm -f "$1"
-echo 'rebase -i script before editing:'
-cat "$1".tmp
-action=pick
-for line in $FAKE_LINES; do
-       case $line in
-       squash|fixup|edit|reword)
-               action="$line";;
-       exec*)
-               echo "$line" | sed 's/_/ /g' >> "$1";;
-       "#")
-               echo '# comment' >> "$1";;
-       ">")
-               echo >> "$1";;
-       *)
-               sed -n "${line}s/^pick/$action/p" < "$1".tmp >> "$1"
-               action=pick;;
+               ;;
        esac
-done
-echo 'rebase -i script after editing:'
-cat "$1"
-EOF
+       test -z "$EXPECT_COUNT" ||
+               test "$EXPECT_COUNT" = $(sed -e '/^#/d' -e '/^$/d' < "$1" | wc -l) ||
+               exit
+       test -z "$FAKE_LINES" && exit
+       grep -v '^#' < "$1" > "$1".tmp
+       rm -f "$1"
+       echo 'rebase -i script before editing:'
+       cat "$1".tmp
+       action=pick
+       for line in $FAKE_LINES; do
+               case $line in
+               squash|fixup|edit|reword)
+                       action="$line";;
+               exec*)
+                       echo "$line" | sed 's/_/ /g' >> "$1";;
+               "#")
+                       echo '# comment' >> "$1";;
+               ">")
+                       echo >> "$1";;
+               *)
+                       sed -n "${line}s/^pick/$action/p" < "$1".tmp >> "$1"
+                       action=pick;;
+               esac
+       done
+       echo 'rebase -i script after editing:'
+       cat "$1"
+       EOF
+
+       test_set_editor "$(pwd)/fake-editor.sh"
+}
+
+# After set_cat_todo_editor, rebase -i will write the todo list (ignoring
+# blank lines and comments) to stdout, and exit failure (so you should run
+# it with test_must_fail).  This can be used to verify the expected user
+# experience, for todo list changes that do not affect the outcome of
+# rebase; or as an extra check in addition to checking the outcome.
 
+set_cat_todo_editor () {
+       write_script fake-editor.sh <<-\EOF
+       grep "^[^#]" "$1"
+       exit 1
+       EOF
        test_set_editor "$(pwd)/fake-editor.sh"
-       chmod a+x fake-editor.sh
 }
 
 # checks that the revisions in "$2" represent a linear range with the
index a1e86c4097ba096245b11a991c39e79886ca2b91..41370ab998c72e14f269a257304b3e0cc4aebc8c 100755 (executable)
@@ -4,6 +4,8 @@ test_description='auto squash'
 
 . ./test-lib.sh
 
+. "$TEST_DIRECTORY"/lib-rebase.sh
+
 test_expect_success setup '
        echo 0 >file0 &&
        git add . &&
@@ -193,4 +195,59 @@ test_expect_success 'use commit --squash' '
        test_auto_commit_flags squash 2
 '
 
+test_auto_fixup_fixup () {
+       git reset --hard base &&
+       echo 1 >file1 &&
+       git add -u &&
+       test_tick &&
+       git commit -m "$1! first" &&
+       echo 2 >file1 &&
+       git add -u &&
+       test_tick &&
+       git commit -m "$1! $2! first" &&
+       git tag "final-$1-$2" &&
+       test_tick &&
+       (
+               set_cat_todo_editor &&
+               test_must_fail git rebase --autosquash -i HEAD^^^^ >actual &&
+               cat >expected <<-EOF &&
+               pick $(git rev-parse --short HEAD^^^) first commit
+               $1 $(git rev-parse --short HEAD^) $1! first
+               $1 $(git rev-parse --short HEAD) $1! $2! first
+               pick $(git rev-parse --short HEAD^^) second commit
+               EOF
+               test_cmp expected actual
+       ) &&
+       git rebase --autosquash -i HEAD^^^^ &&
+       git log --oneline >actual &&
+       test_line_count = 3 actual
+       git diff --exit-code "final-$1-$2" &&
+       test 2 = "$(git cat-file blob HEAD^:file1)" &&
+       if test "$1" = "fixup"
+       then
+               test 1 = $(git cat-file commit HEAD^ | grep first | wc -l)
+       elif test "$1" = "squash"
+       then
+               test 3 = $(git cat-file commit HEAD^ | grep first | wc -l)
+       else
+               false
+       fi
+}
+
+test_expect_success 'fixup! fixup!' '
+       test_auto_fixup_fixup fixup fixup
+'
+
+test_expect_success 'fixup! squash!' '
+       test_auto_fixup_fixup fixup squash
+'
+
+test_expect_success 'squash! squash!' '
+       test_auto_fixup_fixup squash squash
+'
+
+test_expect_success 'squash! fixup!' '
+       test_auto_fixup_fixup squash fixup
+'
+
 test_done