makepkg runs as the builder user and needs to write PKGDEST. /tmp/omarchy-pkg-build is created by root, so without an explicit chown the build aborts with 'You do not have write permission for the directory $PKGDEST'.
makepkg runs as the builder user and needs to write PKGDEST. /tmp/omarchy-pkg-build is created by root, so without an explicit chown the build aborts with 'You do not have write permission for the directory $PKGDEST'.