rerere: add clear, diff, and status commands
[gitweb.git] / git-rebase.sh
index 8c5da7219e760cd7e57b523eb626629727b1d44b..25530dfdc5ba3b88ba9f45393d3aace8faa89472 100755 (executable)
@@ -3,7 +3,7 @@
 # Copyright (c) 2005 Junio C Hamano.
 #
 
-USAGE='[--onto <newbase>] <upstream> [<branch>]'
+USAGE='[-v] [--onto <newbase>] <upstream> [<branch>]'
 LONG_USAGE='git-rebase replaces <branch> with a new branch of the
 same name.  When the --onto option is provided the new branch starts
 out with a HEAD equal to <newbase>, otherwise it is equal to <upstream>
@@ -35,16 +35,11 @@ If you would prefer to skip this patch, instead run \"git rebase --skip\".
 To restore the original branch and stop rebasing run \"git rebase --abort\".
 "
 unset newbase
-case "${GIT_USE_RECUR_FOR_RECURSIVE}" in
-'')
-       strategy=recursive ;;
-?*)
-       strategy=recur ;;
-esac
-
+strategy=recursive
 do_merge=
 dotest=$GIT_DIR/.dotest-merge
 prec=4
+verbose=
 
 continue_merge () {
        test -n "$prev_head" || die "prev_head must be defined"
@@ -137,7 +132,8 @@ do
                        finish_rb_merge
                        exit
                fi
-               git am --resolved --3way --resolvemsg="$RESOLVEMSG"
+               git am --resolved --3way --resolvemsg="$RESOLVEMSG" \
+                       --reflog-action=rebase
                exit
                ;;
        --skip)
@@ -156,7 +152,8 @@ do
                        finish_rb_merge
                        exit
                fi
-               git am -3 --skip --resolvemsg="$RESOLVEMSG"
+               git am -3 --skip --resolvemsg="$RESOLVEMSG" \
+                       --reflog-action=rebase
                exit
                ;;
        --abort)
@@ -194,6 +191,9 @@ do
                esac
                do_merge=t
                ;;
+       -v|--verbose)
+               verbose=t
+               ;;
        -*)
                usage
                ;;
@@ -204,11 +204,6 @@ do
        shift
 done
 
-case "$strategy,${GIT_USE_RECUR_FOR_RECURSIVE}" in
-recursive,?*)
-       strategy=recur ;;
-esac
-
 # Make sure we do not have .dotest
 if test -z "$do_merge"
 then
@@ -275,14 +270,17 @@ onto=$(git-rev-parse --verify "${onto_name}^0") || exit
 
 # Check if we are already based on $onto, but this should be
 # done only when upstream and onto are the same.
-if test "$upstream" = "$onto"
+mb=$(git-merge-base "$onto" "$branch")
+if test "$upstream" = "$onto" && test "$mb" = "$onto"
 then
-       mb=$(git-merge-base "$onto" "$branch")
-       if test "$mb" = "$onto"
-       then
-               echo >&2 "Current branch $branch_name is up to date."
-               exit 0
-       fi
+       echo >&2 "Current branch $branch_name is up to date."
+       exit 0
+fi
+
+if test -n "$verbose"
+then
+       echo "Changes from $mb to $onto:"
+       git-diff-tree --stat --summary "$mb" "$onto"
 fi
 
 # Rewind the head to "$onto"; this saves our current head in ORIG_HEAD.
@@ -290,28 +288,20 @@ git-reset --hard "$onto"
 
 # If the $onto is a proper descendant of the tip of the branch, then
 # we just fast forwarded.
-if test "$mb" = "$onto"
+if test "$mb" = "$branch"
 then
-       echo >&2 "Fast-forwarded $branch to $newbase."
+       echo >&2 "Fast-forwarded $branch_name to $onto_name."
        exit 0
 fi
 
 if test -z "$do_merge"
 then
-       git-format-patch -k --stdout --full-index "$upstream"..ORIG_HEAD |
-       git am --binary -3 -k --resolvemsg="$RESOLVEMSG"
+       git-format-patch -k --stdout --full-index --ignore-if-in-upstream "$upstream"..ORIG_HEAD |
+       git am --binary -3 -k --resolvemsg="$RESOLVEMSG" \
+               --reflog-action=rebase
        exit $?
 fi
 
-if test "@@NO_PYTHON@@" && test "$strategy" = "recursive"
-then
-       die 'The recursive merge strategy currently relies on Python,
-which this installation of git was not configured with.  Please consider
-a different merge strategy (e.g. octopus, resolve, stupid, ours)
-or install Python and git with Python support.'
-
-fi
-
 # start doing a rebase with git-merge
 # this is rename-aware if the recursive (default) strategy is used