git-merge: add --ff and --no-ff options

[git.git] / git-rebase.sh

diff --git a/git-rebase.sh b/git-rebase.sh
index c5906611794adadfbd37463481412abae6f11a8f..1583402a060793c25e49c3446c2a35fe27101883 100755 (executable)
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -59,20 +59,20 @@ continue_merge () {
                die "$RESOLVEMSG"
        fi
 
+       cmt=`cat $dotest/current`
        if ! git diff-index --quiet HEAD
        then
-               if ! git-commit -C "`cat $dotest/current`"
+               if ! git-commit -C "$cmt"
                then
                        echo "Commit failed, please do not call \"git commit\""
                        echo "directly, but instead do one of the following: "
                        die "$RESOLVEMSG"
                fi
-               printf "Committed: %0${prec}d" $msgnum
+               printf "Committed: %0${prec}d " $msgnum
        else
-               printf "Already applied: %0${prec}d" $msgnum
+               printf "Already applied: %0${prec}d " $msgnum
        fi
-       echo ' '`git rev-list --pretty=oneline -1 HEAD | \
-                               sed 's/^[a-f0-9]\+ //'`
+       git rev-list --pretty=oneline -1 "$cmt" | sed -e 's/^[^ ]* //'
 
        prev_head=`git rev-parse HEAD^0`
        # save the resulting commit so we can read-tree on it later
@@ -101,7 +101,7 @@ call_merge () {
                return
                ;;
        1)
-               test -d "$GIT_DIR/rr-cache" && git rerere
+               git rerere
                die "$RESOLVEMSG"
                ;;
        2)
@@ -122,15 +122,14 @@ finish_rb_merge () {
 
 is_interactive () {
        test -f "$dotest"/interactive ||
-       while case $#,"$1" in 0,|*,-i|*,--interactive) break ;; esac
-       do
+       while :; do case $#,"$1" in 0,|*,-i|*,--interactive) break ;; esac
                shift
        done && test -n "$1"
 }
 
 is_interactive "$@" && exec git-rebase--interactive "$@"
 
-while case "$#" in 0) break ;; esac
+while test $# != 0
 do
        case "$1" in
        --continue)
@@ -160,10 +159,7 @@ do
        --skip)
                if test -d "$dotest"
                then
-                       if test -d "$GIT_DIR/rr-cache"
-                       then
-                               git rerere clear
-                       fi
+                       git rerere clear
                        prev_head="`cat $dotest/prev_head`"
                        end="`cat $dotest/end`"
                        msgnum="`cat $dotest/msgnum`"
@@ -181,10 +177,7 @@ do
                exit
                ;;
        --abort)
-               if test -d "$GIT_DIR/rr-cache"
-               then
-                       git rerere clear
-               fi
+               git rerere clear
                if test -d "$dotest"
                then
                        rm -r "$dotest"
@@ -222,9 +215,11 @@ do
        -v|--verbose)
                verbose=t
                ;;
+       --whitespace=*)
+               git_am_opt="$git_am_opt $1"
+               ;;
        -C*)
-               git_am_opt=$1
-               shift
+               git_am_opt="$git_am_opt $1"
                ;;
        -*)
                usage
@@ -305,10 +300,12 @@ branch=$(git rev-parse --verify "${branch_name}^0") || exit
 
 # Now we are rebasing commits $upstream..$branch on top of $onto
 
-# Check if we are already based on $onto, but this should be
-# done only when upstream and onto are the same.
+# Check if we are already based on $onto with linear history,
+# but this should be done only when upstream and onto are the same.
 mb=$(git merge-base "$onto" "$branch")
-if test "$upstream" = "$onto" && test "$mb" = "$onto"
+if test "$upstream" = "$onto" && test "$mb" = "$onto" &&
+       # linear history?
+       ! git rev-list --parents "$onto".."$branch" | grep " .* " > /dev/null
 then
        echo >&2 "Current branch $branch_name is up to date."
        exit 0