Add function to get package version using underscore separator

[hvlinux.git] / functions / main

diff --git a/functions/main b/functions/main
index d888168..0adc06d 100644 (file)
--- a/functions/main
+++ b/functions/main
@@ -51,6 +51,17 @@ fi
 # Load stage number definition
 source ./stage.def
 
+if [ -z "${LFS_STAGE}" ]; then
+    echo "LFS_STAGE is undefined (see stage.def)"
+    return ${EXIT_FAILURE}
+fi
+
+if [ "x${LFS_STAGE}" != "xstage0" -a "x${LFS_STAGE}" != "xstage1" ]; then
+    LFS=""
+fi
+
+CLFS=${LFS}
+
 # Load functions
 source ../functions/fpkg
 source ../functions/lpkg
@@ -117,17 +128,6 @@ CLFS_HOST="$(echo $MACHTYPE | \
 
 export CLFS_BUILDFLAGS CLFS_TARGET CLFS_ARCH CLFS_HOST CLFS_ENDIAN CLFS_NOT_ENDIAN
 
-if [ -z "${LFS_STAGE}" ]; then
-    echo "LFS_STAGE is undefined (see stage.def)"
-    return ${EXIT_FAILURE}
-fi
-
-if [ "x${LFS_STAGE}" != "xstage0" -a "x${LFS_STAGE}" != "xstage1" ]; then
-    LFS=""
-fi
-
-CLFS=${LFS}
-
 test_presence_of_packages_directory()
 {
     if [ ! -d "$(dirname $(pwd))/packages" ]; then
@@ -178,6 +178,19 @@ get_pkg_ver()
     echo ${1} | sed "s!.*-\([0-9].*\)!\1!g"
 }
 
+# Extracting the version number from a complete package name using underscore as separator.
+# Arg. #1: Complete package name with version (ex: ecryptfs-utils_103 will output 103)
+get_pkg_ver_underscore()
+{
+    # Checking for correct number of arguments
+    if [ $# -ne 1 ]; then
+       echo "${FUNCNAME}(), wrong number of arguments: ${*}"
+       return 1
+    fi
+
+    echo ${1} | sed "s!.*_\([0-9].*\)!\1!g"
+}
+
 # Extracting the first digit version number from a complete package name.
 # Arg. #1: Complete package name with version (ex: gcc-3.4.4 will output 3)
 get_pkg_ver1()