epm-requires: use file -L for binaries

bin/epm-checkpkg

@@ -44,7 +44,7 @@ check_pkg_integrity()
         docmd apkg verify $PKG
         ;;
     exe)
-        file $PKG | grep -q "executable for MS Windows"
+        file -L $PKG | grep -q "executable for MS Windows"
         ;;
     msi)
         # TODO: add to patool via cabextract

bin/epm-requires

@@ -64,9 +64,9 @@ __epm_elf_requires()
     fi
 
     for i in $* ; do
-        if file "$i" | grep -q " ELF 32-bit " ; then
+        if file -L "$i" | grep -q " ELF 32-bit " ; then
             __epm_elf32_requires "$i"
-        elif file "$i" | grep -q " ELF 64-bit " ; then
+        elif file -L "$i" | grep -q " ELF 64-bit " ; then
             __epm_elf64_requires "$i"
         else
             warning "Unknown ELF binary"

bin/epm-sh-functions

@@ -795,7 +795,7 @@ get_package_type()
             return
             ;;
         *)
-            if [ -r "$1" ] && file "$1" | grep -q " ELF " ; then
+            if [ -r "$1" ] && file -L "$1" | grep -q " ELF " ; then
                 echo "ELF"
                 return
             fi