improve swtrunk

Author: oldratlee

swtrunk.sh

@@ -7,18 +7,41 @@
 #
 # @author Jerry Lee
 
+colorEcho() {
+    local color=$1
+    shift
+    if [ -c /dev/stdout ] ; then
+        # if stdout is console, turn on color output.
+        echo -ne "\033[1;${color}m"
+        echo -n "$@"
+        echo -e "\033[0m"
+    else
+        echo "$@"
+    fi
+}
+
+redEcho() {
+    colorEcho 31 "$@"
+}
+
+greenEcho() {
+    colorEcho 32 "$@"
+}
+
 [ $# -eq 0 ] && dirs=(.) || dirs=("$@")
 
 for d in "${dirs[@]}" ; do
-	[ ! -d ${d}/.svn ] && {
-		echo "$d is not svn work dir!"
-		continue
-	}
-	(
-		cd "$d"
-		branches=`svn info | grep '^URL' | awk '{print $2}'`
-		trunk=`echo $branches | awk -F'/branches/' '{print $1}'`/trunk
-		svn sw "$trunk"
-		echo "svn work dir $d switch from ${branches} to ${trunk} ."
-	)
+    [ ! -d ${d}/.svn ] && {
+        redEcho "directory $d is not a svn work directory, ignore directory $d !"
+        continue
+    }
+    (
+        cd "$d" &&
+        branches=`svn info | grep '^URL' | awk '{print $2}'` &&
+        trunk=`echo $branches | awk -F'/branches/' '{print $1}'`/trunk &&
+
+        svn sw "$trunk" &&
+        greenEcho "svn work directory $d switch from ${branches} to ${trunk} ." ||
+        redEcho "fail to switch $d to trunk!"
+    )
 done