pgit.sh: Add command exec

Add a command "exec", which takes its arguments and runs it as a
shell command within all projects in $PGIT_SH_PROJECTS.

Signed-off-by: Jan Lindemann <jan@janware.com>

scripts/pgit.sh

@@ -93,6 +93,24 @@ cmd_run()
 	done
 )
 
+cmd_exec()
+(
+	local d
+
+	set_global_variables
+	cd $projects_dir
+
+	if [ "$PGIT_KEEP_GOING" != y ]; then set -e; fi
+	for d in $project_dirs; do
+		cur=`expr $cur + 1`
+		fat_marker $d: "$@"
+		(
+			cd $d
+			"$@"
+		)
+	done
+)
+
 cmd_commit()
 (
 	local d do_cvs
@@ -278,7 +296,7 @@ while [ "${1:0:1}" = - ]; do
 done
 
 case $cmd in
-	get|diff|commit)
+	get|diff|commit|exec)
 		cmd_${cmd//-/_} "$@"
 		;;
 	*)