fcaps.eclass: skip fcaps() on Prefix.

Gentoo Prefix runs with a normal user and cannot grant extra
capabilities.  Exit gracefully with a message.

Reference: https://archives.gentoo.org/gentoo-dev/message/4207cffd6b875450bb2fdbcf1b076053
Signed-off-by: Benda Xu <heroxbd@gentoo.org>

diff --git a/eclass/fcaps.eclass b/eclass/fcaps.eclass
index 2b6e5be4683d7bc3793ba777871d91972b5fb3be..0bb23f8cca7094f4b7b4544db7439050aa311437 100644 (file)
--- a/eclass/fcaps.eclass
+++ b/eclass/fcaps.eclass
@@ -81,6 +81,11 @@ esac
 fcaps() {
        debug-print-function ${FUNCNAME} "$@"
 
+       if [[ ${EUID} != 0 ]] ; then
+               einfo "Insufficient privileges to execute ${FUNCNAME}, skipping."
+               return 0
+       fi
+
        # Process the user options first.
        local owner='root'
        local group='0'