epm repack: add support for .appimage (low case) extension

bin/epm-repack

@@ -110,7 +110,7 @@ __prepare_source_package()
     load_helper epm-pack
 
     # they will fill $returntarname
-    if rhas "$alpkg" "\.AppImage$" ; then
+    if rihas "$alpkg" "\.AppImage$" ; then
         # big hack with $pkg_urls_downloaded (it can be a list, not a single url)
         __epm_pack_run_handler generic-appimage "$pkg" "" "$pkg_urls_downloaded"
         SUBGENERIC='appimage'

bin/epm-sh-functions

@@ -795,7 +795,7 @@ get_package_type()
             echo "msi"
             return
             ;;
-        *.AppImage)
+        *.AppImage|*.appimage)
             echo "AppImage"
             return
             ;;

pack.d/generic-appimage.sh

@@ -7,6 +7,13 @@ URL="$4"
 
 . $(dirname $0)/common.sh
 
+# allow .appimage extension
+if rhas "$TAR" "\.appimage$" ; then
+    newtarname="${TAR/.appimage/.AppImage}"
+    mv "$TAR" "$newtarname"
+    TAR="$newtarname"
+fi
+
 if ! rhas "$TAR" "\.AppImage$" ; then
     fatal "No idea how to handle $TAR"
 fi