t: branch: fix typo
[gitweb.git] / git-rebase--interactive.sh
index 8ed7fccc18507b6f3e2508bb117ce056a764de77..83d6d4676bc1cadcec5ea5889fcf4a0769ee8d31 100644 (file)
@@ -57,6 +57,9 @@ rewritten="$state_dir"/rewritten
 
 dropped="$state_dir"/dropped
 
+end="$state_dir"/end
+msgnum="$state_dir"/msgnum
+
 # A script to set the GIT_AUTHOR_NAME, GIT_AUTHOR_EMAIL, and
 # GIT_AUTHOR_DATE that will be used for the commit that is currently
 # being rebased.
@@ -77,9 +80,24 @@ amend="$state_dir"/amend
 rewritten_list="$state_dir"/rewritten-list
 rewritten_pending="$state_dir"/rewritten-pending
 
+strategy_args=
+if test -n "$do_merge"
+then
+       strategy_args=${strategy:+--strategy=$strategy}
+       eval '
+               for strategy_opt in '"$strategy_opts"'
+               do
+                       strategy_args="$strategy_args -X$(git rev-parse --sq-quote "${strategy_opt#--}")"
+               done
+       '
+fi
+
 GIT_CHERRY_PICK_HELP="$resolvemsg"
 export GIT_CHERRY_PICK_HELP
 
+comment_char=$(git config --get core.commentchar 2>/dev/null | cut -c1)
+: ${comment_char:=#}
+
 warn () {
        printf '%s\n' "$*" >&2
 }
@@ -105,8 +123,10 @@ mark_action_done () {
        sed -e 1q < "$todo" >> "$done"
        sed -e 1d < "$todo" >> "$todo".new
        mv -f "$todo".new "$todo"
-       new_count=$(sane_grep -c '^[^#]' < "$done")
-       total=$(($new_count+$(sane_grep -c '^[^#]' < "$todo")))
+       new_count=$(git stripspace --strip-comments <"$done" | wc -l)
+       echo $new_count >"$msgnum"
+       total=$(($new_count + $(git stripspace --strip-comments <"$todo" | wc -l)))
+       echo $total >"$end"
        if test "$last_count" != "$new_count"
        then
                last_count=$new_count
@@ -116,19 +136,19 @@ mark_action_done () {
 }
 
 append_todo_help () {
-       cat >> "$todo" << EOF
-#
-Commands:
- p, pick = use commit
- r, reword = use commit, but edit the commit message
- e, edit = use commit, but stop for amending
- s, squash = use commit, but meld into previous commit
- f, fixup = like "squash", but discard this commit's log message
- x, exec = run command (the rest of the line) using shell
-#
-These lines can be re-ordered; they are executed from top to bottom.
-#
-If you remove a line here THAT COMMIT WILL BE LOST.
+       git stripspace --comment-lines >>"$todo" <<\EOF
+
+Commands:
+ p, pick = use commit
+ r, reword = use commit, but edit the commit message
+ e, edit = use commit, but stop for amending
+ s, squash = use commit, but meld into previous commit
+ f, fixup = like "squash", but discard this commit's log message
+ x, exec = run command (the rest of the line) using shell
+
+These lines can be re-ordered; they are executed from top to bottom.
+
+If you remove a line here THAT COMMIT WILL BE LOST.
 EOF
 }
 
@@ -179,7 +199,7 @@ die_abort () {
 }
 
 has_action () {
-       sane_grep '^[^#]' "$1" >/dev/null
+       test -n "$(git stripspace --strip-comments <"$1")"
 }
 
 is_empty_commit() {
@@ -231,7 +251,7 @@ pick_one () {
 
        test -d "$rewritten" &&
                pick_one_preserving_merges "$@" && return
-       output git cherry-pick $empty_args $ff "$@"
+       output eval git cherry-pick "$strategy_args" $empty_args $ff "$@"
 }
 
 pick_one_preserving_merges () {
@@ -332,9 +352,8 @@ pick_one_preserving_merges () {
                        msg_content="$(commit_message $sha1)"
                        # No point in merging the first parent, that's HEAD
                        new_parents=${new_parents# $first_parent}
-                       if ! do_with_author output \
-                               git merge --no-ff ${strategy:+-s $strategy} -m \
-                                       "$msg_content" $new_parents
+                       if ! do_with_author output eval \
+                       'git merge --no-ff $strategy_args -m "$msg_content" $new_parents'
                        then
                                printf "%s\n" "$msg_content" > "$GIT_DIR"/MERGE_MSG
                                die_with_patch $sha1 "Error redoing merge $sha1"
@@ -342,7 +361,7 @@ pick_one_preserving_merges () {
                        echo "$sha1 $(git rev-parse HEAD^0)" >> "$rewritten_list"
                        ;;
                *)
-                       output git cherry-pick "$@" ||
+                       output eval git cherry-pick "$strategy_args" "$@" ||
                                die_with_patch $sha1 "Could not pick $sha1"
                        ;;
                esac
@@ -363,10 +382,10 @@ update_squash_messages () {
        if test -f "$squash_msg"; then
                mv "$squash_msg" "$squash_msg".bak || exit
                count=$(($(sed -n \
-                       -e "1s/^# This is a combination of \(.*\) commits\./\1/p" \
+                       -e "1s/^. This is a combination of \(.*\) commits\./\1/p" \
                        -e "q" < "$squash_msg".bak)+1))
                {
-                       echo "# This is a combination of $count commits."
+                       printf '%s\n' "$comment_char This is a combination of $count commits."
                        sed -e 1d -e '2,/^./{
                                /^$/d
                        }' <"$squash_msg".bak
@@ -375,8 +394,8 @@ update_squash_messages () {
                commit_message HEAD > "$fixup_msg" || die "Cannot write $fixup_msg"
                count=2
                {
-                       echo "# This is a combination of 2 commits."
-                       echo "# The first commit's message is:"
+                       printf '%s\n' "$comment_char This is a combination of 2 commits."
+                       printf '%s\n' "$comment_char The first commit's message is:"
                        echo
                        cat "$fixup_msg"
                } >"$squash_msg"
@@ -385,21 +404,22 @@ update_squash_messages () {
        squash)
                rm -f "$fixup_msg"
                echo
-               echo "# This is the $(nth_string $count) commit message:"
+               printf '%s\n' "$comment_char This is the $(nth_string $count) commit message:"
                echo
                commit_message $2
                ;;
        fixup)
                echo
-               echo "# The $(nth_string $count) commit message will be skipped:"
+               printf '%s\n' "$comment_char The $(nth_string $count) commit message will be skipped:"
                echo
-               commit_message $2 | sed -e 's/^/#       /'
+               # Change the space after the comment character to TAB:
+               commit_message $2 | git stripspace --comment-lines | sed -e 's/ /       /'
                ;;
        esac >>"$squash_msg"
 }
 
 peek_next_command () {
-       sed -n -e "/^#/d" -e '/^$/d' -e "s/ .*//p" -e "q" < "$todo"
+       git stripspace --strip-comments <"$todo" | sed -n -e 's/ .*//p' -e q
 }
 
 # A squash/fixup has failed.  Prepare the long version of the squash
@@ -464,7 +484,7 @@ do_next () {
        rm -f "$msg" "$author_script" "$amend" || exit
        read -r command sha1 rest < "$todo"
        case "$command" in
-       '#'*|''|noop)
+       "$comment_char"*|''|noop)
                mark_action_done
                ;;
        pick|p)
@@ -619,17 +639,16 @@ do_next () {
                "$GIT_DIR"/hooks/post-rewrite rebase < "$rewritten_list"
                true # we don't care if this hook failed
        fi &&
-       rm -rf "$state_dir" &&
-       git gc --auto &&
        warn "Successfully rebased and updated $head_name."
 
-       exit
+       return 1 # not failure; just to break the do_rest loop
 }
 
+# can only return 0, when the infinite loop breaks
 do_rest () {
        while :
        do
-               do_next
+               do_next || break
        done
 }
 
@@ -681,8 +700,22 @@ 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 $rest"
                        # if it's a single word, try to resolve to a full sha1 and
                        # emit a second copy. This allows us to match on both message
                        # and on sha1 prefix
@@ -691,7 +724,7 @@ rearrange_squash () {
                                if test -n "$fullsha"; then
                                        # prefix the action to uniquely identify this line as
                                        # intended for full sha1 match
-                                       echo "$sha1 +$action $fullsha"
+                                       echo "$sha1 +$action $prefix $fullsha"
                                fi
                        fi
                esac
@@ -706,7 +739,7 @@ rearrange_squash () {
                esac
                printf '%s\n' "$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
                        *" $squash "*) continue ;;
@@ -722,7 +755,8 @@ rearrange_squash () {
                                case "$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"
@@ -796,22 +830,24 @@ first and then run 'git rebase --continue' again."
 
        require_clean_work_tree "rebase"
        do_rest
+       return 0
        ;;
 skip)
        git rerere clear
 
        do_rest
+       return 0
        ;;
 edit-todo)
-       sed -e '/^#/d' < "$todo" > "$todo".new
+       git stripspace --strip-comments <"$todo" >"$todo".new
        mv -f "$todo".new "$todo"
        append_todo_help
-       cat >> "$todo" << EOF
-#
-You are editing the todo file of an ongoing interactive rebase.
-To continue rebase after editing, run:
-    git rebase --continue
-#
+       git stripspace --comment-lines >>"$todo" <<\EOF
+
+You are editing the todo file of an ongoing interactive rebase.
+To continue rebase after editing, run:
+    git rebase --continue
+
 EOF
 
        git_sequence_editor "$todo" ||
@@ -828,12 +864,15 @@ comment_for_reflog start
 
 if test ! -z "$switch_to"
 then
+       GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $switch_to"
        output git checkout "$switch_to" -- ||
-               die "Could not checkout $switch_to"
+       die "Could not checkout $switch_to"
+
+       comment_for_reflog start
 fi
 
 orig_head=$(git rev-parse --verify HEAD) || die "No HEAD?"
-mkdir "$state_dir" || die "Could not create temporary $state_dir"
+mkdir -p "$state_dir" || die "Could not create temporary $state_dir"
 
 : > "$state_dir"/interactive || die "Could not mark as interactive"
 write_basic_state
@@ -881,7 +920,7 @@ do
 
        if test -z "$keep_empty" && is_empty_commit $shortsha1 && ! is_merge_commit $shortsha1
        then
-               comment_out="# "
+               comment_out="$comment_char "
        else
                comment_out=
        fi
@@ -942,20 +981,20 @@ test -s "$todo" || echo noop >> "$todo"
 test -n "$autosquash" && rearrange_squash "$todo"
 test -n "$cmd" && add_exec_commands "$todo"
 
-cat >> "$todo" << EOF
+cat >>"$todo" <<EOF
 
-# Rebase $shortrevisions onto $shortonto
+$comment_char Rebase $shortrevisions onto $shortonto
 EOF
 append_todo_help
-cat >> "$todo" << EOF
-#
-However, if you remove everything, the rebase will be aborted.
-#
+git stripspace --comment-lines >>"$todo" <<\EOF
+
+However, if you remove everything, the rebase will be aborted.
+
 EOF
 
 if test -z "$keep_empty"
 then
-       echo "# Note that empty commits are commented out" >>"$todo"
+       printf '%s\n' "$comment_char Note that empty commits are commented out" >>"$todo"
 fi
 
 
@@ -971,6 +1010,7 @@ has_action "$todo" ||
 
 test -d "$rewritten" || test -n "$force_rebase" || skip_unnecessary_picks
 
+GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $onto_name"
 output git checkout $onto || die_abort "could not detach HEAD"
 git update-ref ORIG_HEAD $orig_head
 do_rest