Merge pull request #385 from sudo-give-me-coffee/master

Check if .DirIcon is png (mimetype)
AppImageCommunity · Sep 6, 2019 · ca5d905 · ca5d905
2 parents c48feb9 + 18bbbe8
commit ca5d905
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/appdir-lint.sh b/appdir-lint.sh
@@ -38,6 +38,12 @@ if [ ! -e "${APPDIR}/.DirIcon" ] ; then
   fatal ".DirIcon is missing in ${APPDIR}"
 fi
 
+DIR_ICON_MIME=$(mimetype $(readlink -f ${APPDIR}/.DirIcon) | awk '{print $2}')
+
+if [[  ! "$DIR_ICON_MIME" = "image/png"  ]] ; then
+  warn "Icon is not in PNG format. It should be so that it can be used as a thumbnail"
+fi
+
 if [ ! -x "${APPDIR}/AppRun" ] ; then
   fatal "AppRun is not executable" // This seems to generate false alarms? https://travis-ci.org/AppImage/AppImageHub/builds/266084511#L539
 fi