packages.sh, added the ability to <get> a copy of the BLFS svn tree

BLFS/packages.sh

@@ -4,6 +4,8 @@
 #
 set -e
 
+declare -r SVN="svn://svn.linuxfromscratch.org"
+
 BLFS_XML=$1  # Book directory
 DOC_MODE=$2  # Action to take, only update at the moment
 
@@ -12,41 +14,66 @@ DOC_MODE=$2  # Action to take, only update at the moment
 source libs/func_packages
 [[ $? > 0 ]] && echo -e "\n\tERROR: func_packages did not load..\n" && exit
 
+#----------------------------#
+BOOK_Source() {              #
+#----------------------------#
+: <<inline_doc
+    function:   Retrieve a fresh copy or upate an existing copy of the BLFS svn tree
+    input vars: $1 BLFS_XML directory
+                $2 DOC_MODE action get/update
+    externals:  none
+    modifies:   $BLFS_XML directory tree
+    returns:    nothing
+    output:     
+    on error:   exit
+    on success: text messages
+inline_doc
 
-if [[ -z "$1" ]] ; then
-  echo -e "\n\tYou must to provide the name of the BLFS book sources directory.\n"
-  exit 1
-fi
+    # Redundant definitions but this function may be reused
+  local BLFS_XML=$1
+  local DOC_MODE=$2
+  
+  if [[ -z "$BLFS_XML" ]] ; then
+    echo -e "\n\tYou must to provide the name of the BLFS book sources directory.\n"
+    exit 1
+  fi
 
-if [[ ! -d $BLFS_XML ]] ; then
-  echo -e "\n\t$BLFS_XML is not a directory\n"
-  exit 1
-fi
+  if [[ -n "$DOC_MODE" ]] ; then
+    case $DOC_MODE in
+      update )
+        if [[ ! -d $BLFS_XML ]] ; then
+          echo -e "\n\t$BLFS_XML is not a directory\n"
+          exit 1
+        fi
+        if [[ ! -f $BLFS_XML/use-unzip.xml ]] ; then
+          echo -e "\n\tLooks like $BLFS_XML is not a BLFS book sources directory\n"
+          exit 1
+        fi
 
-if [[ ! -f $BLFS_XML/use-unzip.xml ]] ; then
-  echo -e "\n\tLooks like $BLFS_XML is not a BLFS book sources directory\n"
-  exit 1
-fi
-
-if [[ -n "$DOC_MODE" ]] ; then
-  case $DOC_MODE in
-    update )
-      if [[ -d $BLFS_XML/.svn ]] ; then
-      echo -e "\n\tUpdating the $BLFS_XML book sources ...\n"
-        pushd $BLFS_XML 1> /dev/null
-        svn up
-        popd 1> /dev/null
-        echo -e "\n\tBook sources updated."
-      else
-        echo -e "\n\tLooks like $BLFS_XML is not a svn working copy."
-        echo -e "\tSkipping BLFS sources update.\n"
-      fi
+        if [[ -d $BLFS_XML/.svn ]] ; then
+          echo -e "\n\tUpdating the $BLFS_XML book sources ...\n"
+          pushd $BLFS_XML 1> /dev/null
+            svn up
+          popd 1> /dev/null
+          echo -e "\n\tBook sources updated."
+        else
+          echo -e "\n\tLooks like $BLFS_XML is not a svn working copy."
+          echo -e "\tSkipping BLFS sources update.\n"
+        fi
+        ;;
+      
+      get )
+        [[ ! -d $BLFS_XML ]] && mkdir -pv $BLFS_XML
+        svn co $SVN/BLFS/trunk/BOOK $BLFS_XML 2>&1
+       ;;
+      * )
+         echo -e "\n\tUnknown option ${DOC_MODE} ignored.\n"
       ;;
-    * )
-      echo -e "\n\tUnknown option ${DOC_MODE} ignored.\n"
-      ;;
-  esac
-fi
+    esac
+  fi
+}
+
+BOOK_Source $BLFS_XML $DOC_MODE
 
 echo -en "\n\tGenerating packages file ..."
 generate_packages