Merge with git+ssh://master.kernel.org/pub/scm/git/git.git

8 files changed, 89 insertions, 39 deletions

diff --git a/git-clone.sh b/git-clone.sh
index a322a45995..71431319c0 100755
--- a/git-clone.sh
+++ b/git-clone.sh
@@ -9,7 +9,7 @@
 unset CDPATH
 
 usage() {
-	echo >&2 "* git clone [-l [-s]] [-q] [-u <upload-pack>] <repo> <dir>"
+	echo >&2 "* git clone [-l [-s]] [-q] [-u <upload-pack>] [-n] <repo> <dir>"
 	exit 1
 }
 
@@ -61,10 +61,12 @@ Perhaps git-update-server-info needs to be run there?"
 quiet=
 use_local=no
 local_shared=no
+no_checkout=
 upload_pack=
 while
 	case "$#,$1" in
 	0,*) break ;;
+	*,-n) no_checkout=yes ;;
 	*,-l|*,--l|*,--lo|*,--loc|*,--loca|*,--local) use_local=yes ;;
         *,-s|*,--s|*,--sh|*,--sha|*,--shar|*,--share|*,--shared) 
           local_shared=yes ;;
@@ -186,9 +188,16 @@ yes,yes)
 	;;
 esac
 
-# Update origin.
-mkdir -p "$D/.git/remotes/" &&
-rm -f "$D/.git/remotes/origin" &&
-echo >"$D/.git/remotes/origin" \
-"URL: $repo
+cd $D || exit
+
+if test -f ".git/HEAD"
+then
+	mkdir -p .git/remotes || exit
+	echo >.git/remotes/origin \
+	"URL: $repo
 Pull: master:origin"
+	case "$no_checkout" in
+	'')
+		git checkout
+	esac
+fi
diff --git a/git-commit.sh b/git-commit.sh
index d8bfc3c254..9412840d8f 100755
--- a/git-commit.sh
+++ b/git-commit.sh
@@ -141,6 +141,9 @@ t)
 esac
 
 if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
+
+	test -f "$GIT_DIR/MERGE_MSG" && cat "$GIT_DIR/MERGE_MSG"
+
 	echo "#"
 	echo "# It looks like your may be committing a MERGE."
 	echo "# If this is not correct, please remove the file"
diff --git a/git-core.spec.in b/git-core.spec.in
index 61beebd61c..6af5103ee6 100644
--- a/git-core.spec.in
+++ b/git-core.spec.in
@@ -9,7 +9,7 @@ URL: 		http://kernel.org/pub/software/scm/git/
 Source: 	http://kernel.org/pub/software/scm/git/%{name}-%{version}.tar.gz
 BuildRequires:	zlib-devel, openssl-devel, curl-devel  %{!?_without_docs:, xmlto, asciidoc > 6.0.3}
 BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
-Requires:	rsync, rcs, curl, less, openssh-clients, python >= 2.3, tk
+Requires:	rsync, rcs, curl, less, openssh-clients, python >= 2.3, tk >= 8.4
 
 %description
 This is a stupid (but extremely fast) directory content manager.  It
diff --git a/git-fetch.sh b/git-fetch.sh
index 822b4cd982..e4a6a68057 100755
--- a/git-fetch.sh
+++ b/git-fetch.sh
@@ -178,7 +178,7 @@ do
 	head=$(curl -nsf $curl_extra_args "$remote/$remote_name") &&
 	expr "$head" : "$_x40\$" >/dev/null ||
 		die "Failed to fetch $remote_name from $remote"
-	echo Fetching "$remote_name from $remote" using http
+	echo >&2 Fetching "$remote_name from $remote" using http
 	git-http-fetch -v -a "$head" "$remote/" || exit
 	;;
     rsync://*)
diff --git a/git-merge.sh b/git-merge.sh
index 41bc6d9561..7607e819c3 100755
--- a/git-merge.sh
+++ b/git-merge.sh
@@ -18,8 +18,22 @@ all_strategies='recursive octopus resolve stupid'
 default_strategies='resolve octopus'
 use_strategies=
 
-dropheads() {
-	rm -f -- "$GIT_DIR/MERGE_HEAD" || exit 1
+dropsave() {
+	rm -f -- "$GIT_DIR/MERGE_HEAD" "$GIT_DIR/MERGE_MSG" \
+		 "$GIT_DIR/MERGE_SAVE" || exit 1
+}
+
+savestate() {
+	git diff -r -z --name-only $head | cpio -0 -o >"$GIR_DIR/MERGE_SAVE"
+}
+
+restorestate() {
+        if test -f "$GIT_DIR/MERGE_SAVE"
+	then
+		git reset --hard $head
+		cpio -iuv <"$GIT_DIR/MERGE_SAVE"
+		git-update-index --refresh >/dev/null
+	fi
 }
 
 summary() {
@@ -93,7 +107,7 @@ case "$#,$common" in
 	# If head can reach all the merge then we are up to date.
 	# but first the most common case of merging one remote
 	echo "Already up-to-date. Yeeah!"
-	dropheads
+	dropsave
 	exit 0
 	;;
 1,"$head")
@@ -103,7 +117,7 @@ case "$#,$common" in
 	git-read-tree -u -m $head "$1" || exit 1
 	git-rev-parse --verify "$1^0" > "$GIT_DIR/HEAD"
 	summary "$1"
-	dropheads
+	dropsave
 	exit 0
 	;;
 1,*)
@@ -125,30 +139,52 @@ case "$#,$common" in
 	if test "$up_to_date" = t
 	then
 		echo "Already up-to-date. Yeeah!"
-		dropheads
+		dropsave
 		exit 0
 	fi
 	;;
 esac
 
-# At this point we need a real merge.  Require that the tree matches
-# exactly our head.
+# At this point, we need a real merge.  No matter what strategy
+# we use, it would operate on the index, possibly affecting the
+# working tree, and when resolved cleanly, have the desired tree
+# in the index -- this means that the index must be in sync with
+# the $head commit.
+files=$(git-diff-index --cached --name-only $head) || exit
+if [ "$files" ]; then
+   echo >&2 "Dirty index: cannot merge (dirty: $files)"
+   exit 1
+fi
 
-git-update-index --refresh &&
-test '' = "`git-diff-index --cached --name-only $head`" || {
-	die "Need real merge but the working tree has local changes."
-}
+case "$use_strategies" in
+?*' '?*)
+    # Stash away the local changes so that we can try more than one.
+    savestate
+    single_strategy=no
+    ;;
+*)
+    rm -f "$GIT_DIR/MERGE_SAVE"
+    single_strategy=yes
+    ;;
+esac
 
 result_tree= best_cnt=-1 best_strategy= wt_strategy=
 for strategy in $use_strategies
 do
     test "$wt_strategy" = '' || {
 	echo "Rewinding the tree to pristine..."
-	git reset --hard $head
+	restorestate
     }
-    echo "Trying merge strategy $strategy..."
+    case "$single_strategy" in
+    no)
+	echo "Trying merge strategy $strategy..."
+	;;
+    esac
+
+    # Remember which strategy left the state in the working tree
     wt_strategy=$strategy
-    git-merge-$strategy $common -- $head_arg "$@" || {
+
+    git-merge-$strategy $common -- "$head_arg" "$@" || {
 
 	# The backend exits with 1 when conflicts are left to be resolved,
 	# with 2 when it does not handle the given merge at all.
@@ -186,14 +222,14 @@ then
     echo "Committed merge $result_commit, made by $wt_strategy."
     echo $result_commit >"$GIT_DIR/HEAD"
     summary $result_commit
-    dropheads
+    dropsave
     exit 0
 fi
 
 # Pick the result from the best strategy and have the user fix it up.
 case "$best_strategy" in
 '')
-	git reset --hard $head
+	restorestate
 	die "No merge strategy handled the merge."
 	;;
 "$wt_strategy")
@@ -201,13 +237,15 @@ case "$best_strategy" in
 	;;
 *)
 	echo "Rewinding the tree to pristine..."
-	git reset --hard $head
+	restorestate
 	echo "Using the $best_strategy to prepare resolving by hand."
-	git-merge-$best_strategy $common -- $head_arg "$@"
+	git-merge-$best_strategy $common -- "$head_arg" "$@"
 	;;
 esac
 for remote
 do
 	echo $remote
 done >"$GIT_DIR/MERGE_HEAD"
+echo $merge_msg >"$GIT_DIR/MERGE_MSG"
+
 die "Automatic merge failed; fix up by hand"
diff --git a/git-revert.sh b/git-revert.sh
index 722c4f755a..dfd914cf56 100755
--- a/git-revert.sh
+++ b/git-revert.sh
@@ -56,9 +56,12 @@ t)
 		die "Your index file is unmerged."
 	;;
 *)
-	check_clean_tree || die "Cannot run $me from a dirty tree."
 	head=$(git-rev-parse --verify HEAD) ||
 		die "You do not have a valid HEAD"
+	files=$(git-diff-index --cached --name-only $head) || exit
+	if [ "$files" ]; then
+		die "Dirty index: cannot $me (dirty: $files)"
+	fi
 	;;
 esac
 
diff --git a/git-sh-setup.sh b/git-sh-setup.sh
index d5bfa62dee..55db795843 100755
--- a/git-sh-setup.sh
+++ b/git-sh-setup.sh
@@ -17,17 +17,6 @@ die() {
 	exit 1
 }
 
-check_clean_tree() {
-    dirty1_=`git-update-index -q --refresh` && {
-    dirty2_=`git-diff-index --name-only --cached HEAD`
-    case "$dirty2_" in '') : ;; *) (exit 1) ;; esac
-    } || {
-	echo >&2 "$dirty1_"
-	echo "$dirty2_" | sed >&2 -e 's/^/modified: /'
-	(exit 1)
-    }
-}
-
 [ -h "$GIT_DIR/HEAD" ] &&
 [ -d "$GIT_DIR/refs" ] &&
 [ -d "$GIT_OBJECT_DIRECTORY/00" ]
diff --git a/gitk b/gitk
index df86dceba0..f1ea4e1e43 100755
--- a/gitk
+++ b/gitk
@@ -1,6 +1,6 @@
 #!/bin/sh
 # Tcl ignores the next line -*- tcl -*- \
-exec wish "$0" -- "${1+$@}"
+exec wish "$0" -- "$@"
 
 # Copyright (C) 2005 Paul Mackerras.  All rights reserved.
 # This program is free software; it may be used, copied, modified
@@ -486,6 +486,8 @@ proc makewindow {} {
     bindall <B2-Motion> "allcanvs scan dragto 0 %y"
     bind . <Key-Up> "selnextline -1"
     bind . <Key-Down> "selnextline 1"
+    bind . <Key-Right> "goforw"
+    bind . <Key-Left> "goback"
     bind . <Key-Prior> "allcanvs yview scroll -1 pages"
     bind . <Key-Next> "allcanvs yview scroll 1 pages"
     bindkey <Key-Delete> "$ctext yview scroll -1 pages"
@@ -493,6 +495,12 @@ proc makewindow {} {
     bindkey <Key-space> "$ctext yview scroll 1 pages"
     bindkey p "selnextline -1"
     bindkey n "selnextline 1"
+    bindkey z "goback"
+    bindkey x "goforw"
+    bindkey i "selnextline -1"
+    bindkey k "selnextline 1"
+    bindkey j "goback"
+    bindkey l "goforw"
     bindkey b "$ctext yview scroll -1 pages"
     bindkey d "$ctext yview scroll 18 units"
     bindkey u "$ctext yview scroll -18 units"