Git 1.7.5-rc1

[thirdparty/git.git] / git-rebase.sh

diff --git a/git-rebase.sh b/git-rebase.sh
index 44f5c65fdb5e81c4b660a666c2edd71aa75c5c1a..cbb0ea90ed410d5af68ce814b7fd93a90829f3ee 100755 (executable)
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -3,7 +3,7 @@
 # Copyright (c) 2005 Junio C Hamano.
 #
 
-USAGE='[--interactive | -i] [-v] [--force-rebase | -f] [--no-ff] [--onto <newbase>] [<upstream>|--root] [<branch>] [--quiet | -q]'
+USAGE='[--interactive | -i] [-v] [--force-rebase | -f] [--no-ff] [--onto <newbase>] (<upstream>|--root) [<branch>] [--quiet | -q]'
 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>
@@ -44,11 +44,13 @@ To restore the original branch and stop rebasing run \"git rebase --abort\".
 "
 unset newbase
 strategy=recursive
+strategy_opts=
 do_merge=
 dotest="$GIT_DIR"/rebase-merge
 prec=4
 verbose=
-diffstat=$(git config --bool rebase.stat)
+diffstat=
+test "$(git config --bool rebase.stat)" = true && diffstat=t
 git_am_opt=
 rebase_root=
 force_rebase=
@@ -110,9 +112,9 @@ call_merge () {
        export GITHEAD_$cmt GITHEAD_$hd
        if test -n "$GIT_QUIET"
        then
-               export GIT_MERGE_VERBOSITY=1
+               GIT_MERGE_VERBOSITY=1 && export GIT_MERGE_VERBOSITY
        fi
-       git-merge-$strategy "$cmt^" -- "$hd" "$cmt"
+       eval 'git-merge-$strategy' $strategy_opts '"$cmt^" -- "$hd" "$cmt"'
        rv=$?
        case "$rv" in
        0)
@@ -198,24 +200,20 @@ test -f "$GIT_DIR"/rebase-apply/applying &&
 
 is_interactive "$@" && exec git-rebase--interactive "$@"
 
-if test $# -eq 0
-then
-       test -d "$dotest" -o -d "$GIT_DIR"/rebase-apply || usage
-       test -d "$dotest" -o -f "$GIT_DIR"/rebase-apply/rebasing &&
-               die 'A rebase is in progress, try --continue, --skip or --abort.'
-       die "No arguments given and $GIT_DIR/rebase-apply already exists."
-fi
-
 while test $# != 0
 do
        case "$1" in
        --no-verify)
                OK_TO_SKIP_PRE_REBASE=yes
                ;;
+       --verify)
+               OK_TO_SKIP_PRE_REBASE=
+               ;;
        --continue)
                test -d "$dotest" -o -d "$GIT_DIR"/rebase-apply ||
                        die "No rebase in progress?"
 
+               git update-index --ignore-submodules --refresh &&
                git diff-files --quiet --ignore-submodules || {
                        echo "You must edit all merge conflicts and then"
                        echo "mark them as resolved using git add"
@@ -280,15 +278,16 @@ do
                        die "No rebase in progress?"
 
                git rerere clear
-               if test -d "$dotest"
-               then
-                       GIT_QUIET=$(cat "$dotest/quiet")
-                       move_to_original_branch
-               else
-                       dotest="$GIT_DIR"/rebase-apply
-                       GIT_QUIET=$(cat "$dotest/quiet")
-                       move_to_original_branch
-               fi
+
+               test -d "$dotest" || dotest="$GIT_DIR"/rebase-apply
+
+               head_name="$(cat "$dotest"/head-name)" &&
+               case "$head_name" in
+               refs/*)
+                       git symbolic-ref HEAD $head_name ||
+                       die "Could not move back to $head_name"
+                       ;;
+               esac
                git reset --hard $(cat "$dotest/orig-head")
                rm -r "$dotest"
                exit
@@ -301,6 +300,23 @@ do
        -M|-m|--m|--me|--mer|--merg|--merge)
                do_merge=t
                ;;
+       -X*|--strategy-option*)
+               case "$#,$1" in
+               1,-X|1,--strategy-option)
+                       usage ;;
+               *,-X|*,--strategy-option)
+                       newopt="$2"
+                       shift ;;
+               *,--strategy-option=*)
+                       newopt="$(expr " $1" : ' --strategy-option=\(.*\)')" ;;
+               *,-X*)
+                       newopt="$(expr " $1" : ' -X\(.*\)')" ;;
+               1,*)
+                       usage ;;
+               esac
+               strategy_opts="$strategy_opts $(git rev-parse --sq-quote "--$newopt")"
+               do_merge=t
+               ;;
        -s=*|--s=*|--st=*|--str=*|--stra=*|--strat=*|--strate=*|\
                --strateg=*|--strategy=*|\
        -s|--s|--st|--str|--stra|--strat|--strate|--strateg|--strategy)
@@ -353,7 +369,7 @@ do
        --root)
                rebase_root=t
                ;;
-       -f|--f|--fo|--for|--forc|force|--force-r|--force-re|--force-reb|--force-reba|--force-rebas|--force-rebase|--no-ff)
+       -f|--f|--fo|--for|--forc|--force|--force-r|--force-re|--force-reb|--force-reba|--force-rebas|--force-rebase|--no-ff)
                force_rebase=t
                ;;
        --rerere-autoupdate|--no-rerere-autoupdate)
@@ -370,6 +386,13 @@ do
 done
 test $# -gt 2 && usage
 
+if test $# -eq 0 && test -z "$rebase_root"
+then
+       test -d "$dotest" -o -d "$GIT_DIR"/rebase-apply || usage
+       test -d "$dotest" -o -f "$GIT_DIR"/rebase-apply/rebasing &&
+               die 'A rebase is in progress, try --continue, --skip or --abort.'
+fi
+
 # Make sure we do not have $GIT_DIR/rebase-apply
 if test -z "$do_merge"
 then
@@ -394,19 +417,7 @@ else
        fi
 fi
 
-# The tree must be really really clean.
-if ! git update-index --ignore-submodules --refresh > /dev/null; then
-       echo >&2 "cannot rebase: you have unstaged changes"
-       git diff-files --name-status -r --ignore-submodules -- >&2
-       exit 1
-fi
-diff=$(git diff-index --cached --name-status -r --ignore-submodules HEAD --)
-case "$diff" in
-?*)    echo >&2 "cannot rebase: your index contains uncommitted changes"
-       echo >&2 "$diff"
-       exit 1
-       ;;
-esac
+require_clean_work_tree "rebase" "Please commit or stash them."
 
 if test -z "$rebase_root"
 then
@@ -471,6 +482,7 @@ case "$#" in
        then
                head_name="detached HEAD"
        else
+               echo >&2 "fatal: no such branch: $1"
                usage
        fi
        ;;
@@ -502,7 +514,7 @@ then
        if test -z "$force_rebase"
        then
                # Lazily switch to the target branch if needed...
-               test -z "$switch_to" || git checkout "$switch_to"
+               test -z "$switch_to" || git checkout "$switch_to" --
                say "Current branch $branch_name is up to date."
                exit 0
        else
@@ -544,7 +556,8 @@ fi
 if test -z "$do_merge"
 then
        git format-patch -k --stdout --full-index --ignore-if-in-upstream \
-               $root_flag "$revisions" |
+               --src-prefix=a/ --dst-prefix=b/ \
+               --no-renames $root_flag "$revisions" |
        git am $git_am_opt --rebasing --resolvemsg="$RESOLVEMSG" &&
        move_to_original_branch
        ret=$?