Reduce the number of connects when fetching

diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index f83e00fe8fec63d5c58f375ec49ee8bf865f1344..402ff3782c0aaa472a2013ff3a9bef44a6cd8550 100755 (executable)
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -73,14 +73,19 @@ comment_for_reflog () {
        esac
 }
 
+last_count=
 mark_action_done () {
        sed -e 1q < "$TODO" >> "$DONE"
        sed -e 1d < "$TODO" >> "$TODO".new
        mv -f "$TODO".new "$TODO"
        count=$(($(grep -ve '^$' -e '^#' < "$DONE" | wc -l)))
        total=$(($count+$(grep -ve '^$' -e '^#' < "$TODO" | wc -l)))
-       printf "Rebasing (%d/%d)\r" $count $total
-       test -z "$VERBOSE" || echo
+       if test "$last_count" != "$count"
+       then
+               last_count=$count
+               printf "Rebasing (%d/%d)\r" $count $total
+               test -z "$VERBOSE" || echo
+       fi
 }
 
 make_patch () {
@@ -215,15 +220,17 @@ make_squash_message () {
                COUNT=$(($(sed -n "s/^# This is [^0-9]*\([1-9][0-9]*\).*/\1/p" \
                        < "$SQUASH_MSG" | tail -n 1)+1))
                echo "# This is a combination of $COUNT commits."
-               sed -n "2,\$p" < "$SQUASH_MSG"
+               sed -e 1d -e '2,/^./{
+                       /^$/d
+               }' <"$SQUASH_MSG"
        else
                COUNT=2
                echo "# This is a combination of two commits."
                echo "# The first commit's message is:"
                echo
                git cat-file commit HEAD | sed -e '1,/^$/d'
-               echo
        fi
+       echo
        echo "# This is the $(nth_string $COUNT) commit message:"
        echo
        git cat-file commit $1 | sed -e '1,/^$/d'
@@ -289,22 +296,22 @@ do_next () {
                output git reset --soft HEAD^
                pick_one -n $sha1 || failed=t
                echo "$author_script" > "$DOTEST"/author-script
-               case $failed in
-               f)
+               if test $failed = f
+               then
                        # This is like --amend, but with a different message
                        eval "$author_script"
                        GIT_AUTHOR_NAME="$GIT_AUTHOR_NAME" \
                        GIT_AUTHOR_EMAIL="$GIT_AUTHOR_EMAIL" \
                        GIT_AUTHOR_DATE="$GIT_AUTHOR_DATE" \
-                       $USE_OUTPUT git commit -F "$MSG" $EDIT_COMMIT
-                       ;;
-               t)
+                       $USE_OUTPUT git commit --no-verify -F "$MSG" $EDIT_COMMIT || failed=t
+               fi
+               if test $failed = t
+               then
                        cp "$MSG" "$GIT_DIR"/MERGE_MSG
                        warn
                        warn "Could not apply $sha1... $rest"
                        die_with_patch $sha1 ""
-                       ;;
-               esac
+               fi
                ;;
        *)
                warn "Unknown command: $command $sha1 $rest"
@@ -322,7 +329,12 @@ do_next () {
                test -f "$DOTEST"/current-commit &&
                        current_commit=$(cat "$DOTEST"/current-commit) &&
                        git rev-parse HEAD > "$REWRITTEN"/$current_commit
-               NEWHEAD=$(cat "$REWRITTEN"/$OLDHEAD)
+               if test -f "$REWRITTEN"/$OLDHEAD
+               then
+                       NEWHEAD=$(cat "$REWRITTEN"/$OLDHEAD)
+               else
+                       NEWHEAD=$OLDHEAD
+               fi
        else
                NEWHEAD=$(git rev-parse HEAD)
        fi &&
@@ -358,16 +370,28 @@ do
 
                test -d "$DOTEST" || die "No interactive rebase running"
 
-               # commit if necessary
-               git rev-parse --verify HEAD > /dev/null &&
-               git update-index --refresh &&
-               git diff-files --quiet &&
-               ! git diff-index --cached --quiet HEAD -- &&
-               . "$DOTEST"/author-script && {
-                       test ! -f "$DOTEST"/amend || git reset --soft HEAD^
-               } &&
-               export GIT_AUTHOR_NAME GIT_AUTHOR_NAME GIT_AUTHOR_DATE &&
-               git commit -F "$DOTEST"/message -e
+               # Sanity check
+               git rev-parse --verify HEAD >/dev/null ||
+                       die "Cannot read HEAD"
+               git update-index --refresh && git diff-files --quiet ||
+                       die "Working tree is dirty"
+
+               # do we have anything to commit?
+               if git diff-index --cached --quiet HEAD --
+               then
+                       : Nothing to commit -- skip this
+               else
+                       . "$DOTEST"/author-script ||
+                               die "Cannot find the author identity"
+                       if test -f "$DOTEST"/amend
+                       then
+                               git reset --soft HEAD^ ||
+                               die "Cannot rewind the HEAD"
+                       fi
+                       export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_AUTHOR_DATE &&
+                       git commit --no-verify -F "$DOTEST"/message -e ||
+                       die "Could not commit staged changes."
+               fi
 
                require_clean_work_tree
                do_rest