epm: add support for run script from stdin

bin/epm

@@ -19,6 +19,9 @@
 
 PROGDIR=$(dirname $0)
 [ "$PROGDIR" = "." ] && PROGDIR=$(pwd)
+if [ "$0" = "/dev/stdin" ] || [ "$0" = "sh" ] ; then
+    PROGDIR=""
+fi
 
 # will replaced to /usr/share/eepm during install
 SHAREDIR=$PROGDIR
@@ -364,8 +367,8 @@ for opt in "$@" ; do
     check_filenames $opt
 done
 
-# if input is not console, get pkg from it too
-if ! inputisatty ; then
+# if input is not console and run script from file, get pkgs from stdin too
+if ! inputisatty && [ -n "$PROGDIR" ] ; then
     for opt in $(withtimeout 1 cat) ; do
         check_filenames $opt
     done

bin/epm-sh-functions

@@ -394,6 +394,10 @@ get_package_type()
 # print options description from HELPCMD/HELPOPT lines in the code
 get_help()
 {
+    if [ "$0" = "/dev/stdin" ] || [ "$0" = "sh" ] ; then
+        return
+    fi
+
     grep -v -- "^#" $0 | grep -- "# $1" | while read n ; do
         opt=$(echo $n | sed -e "s|) # $1:.*||g")
         desc=$(echo $n | sed -e "s|.*) # $1:||g")

pack_in_onefile.sh

@@ -41,7 +41,7 @@ get_version()
 
 filter_out()
 {
-	grep -v "^ *load_helper " | sed -e 's|DISTRVENDOR=$PROGDIR/distr_info|DISTRVENDOR=internal_distr_info|g' | \
+	grep -v "^[ 	]*load_helper " | sed -e 's|DISTRVENDOR=$PROGDIR/distr_info|DISTRVENDOR=internal_distr_info|g' | \
 		sed -e "s|@VERSION@|$(get_version)|g"
 
 }