Some random fixes in the sys/*.sh

sys/bokken.sh

@@ -2,8 +2,8 @@
 # find root
 cd `dirname $PWD/$0`
 
-mkdir -p _work
-cd _work
+mkdir  _work
+cd _work || exit 1
 if [ -d bokken ]; then
 	cd bokken
 	hg pull -u

sys/dist-all.sh

@@ -5,7 +5,7 @@ sys/clone-r2-bindings.sh
 sys/install.sh
 make dist
 
-cd radare2-bindings
+cd radare2-bindings || exit 1
 ./configure --prefix=/usr --enable-devel
 make mrproper
 cd python
@@ -15,7 +15,7 @@ make dist
 
 DD=/tmp/r2
 rm -rf $DD
-mkdir -p $DD
+mkdir $DD
 cp ../radare2-bindings-`make version`.tar.gz $DD
 cd ..
 cp ../radare2-`make version`.tar.gz $DD

sys/farm/check.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 
 revision() {
-	echo `hg tip|head -n 1|cut -d : -f 2`
+	echo `git log | head -1 | cut -d " " -f 2`
 }
 
 cd `dirname $PWD/$0` ; cd ..

sys/valabind.sh

@@ -3,8 +3,8 @@
 # find root
 cd `dirname $PWD/$0`
 
-mkdir -p _work
-cd _work
+mkdir  _work
+cd _work || exit 1
 if [ -d valabind ]; then
 	cd valabind
 	git pull