Refine script build-slapos.sh

windows/scripts/build-slapos.sh

 #! /bin/bash
 
-if [[ ! -d /opt/slapos ]] ; then
-    mkdir -p /opt/slapos
+slapos_home=/opt/slapos
+slapos_cache=/opt/download-cache
+
+if [[ ! -d $slapos_home ]] ; then
+    echo "Make directory of slapos home: $slapos_home"
+    mkdir -p $slapos_home
 fi
-if [[ ! -d /opt/download-cache ]] ; then
-    mkdir -p /opt/download-cache
+if [[ ! -d $slapos_cache ]] ; then
+    echo "Make directory of slapos cache: $slapos_cache"
+    mkdir -p $slapos_cache
 fi
 
-cd /opt/slapos
+cd $slapos_home
 if [[ ! -f buildout.cfg ]] ; then
+    echo "Create $slapos_home/buildout.cfg"
     echo "[buildout]
 extends = http://git.erp5.org/gitweb/slapos.git/blob_plain/refs/tags/cygwin-0:/component/slapos/buildout.cfg
 download-cache = /opt/download-cache
@@ -17,20 +23,17 @@ prefix = ${buildout:directory}
 fi
 
 if [[ ! -f bootstrap.py ]] ; then
+    echo "Download $slapos_home/bootstrap.py"
     python -S -c 'import urllib2;print urllib2.urlopen("http://git.erp5.org/gitweb/slapos.core.git/blob_plain/HEAD:/bootstrap.py").read()' > bootstrap.py
     python -S bootstrap.py
 fi
 
-bin/buildout -v -N
-
-if (( ! $? == 0 )) ; then
-    echo "Error: buildout of slapos failed"
-    exit 1
-fi
+bin/buildout -v -N || (echo "Buildout SlapOS failed."; exit 1)
 
 # apply patches
 if [[ -f /etc/slapos/patches/slapos-core.patch ]] ; then
-    (cd `ls -d /opt/slapos/eggs/slapos.core-*-py2.7.egg`/slapos ; \
+    echo "Apply patch: /etc/slapos/patches/slapos-core.patch"
+    (cd `ls -d $slapos_home/eggs/slapos.core-*-py2.7.egg`/slapos ; \
      patch -p1 < /etc/slapos/patches/slapos-core.patch )
     (cd  /etc/slapos/patches ; mv slapos-core.patch slapos-core.patch.done)
 fi