$ git clone -n https://src.fedoraproject.org/rpms/perl-Syntax-Keyword-Defer.git /var/lib/mock/f39-build-1731896-41251/root/chroot_tmpdir/scmroot/perl-Syntax-Keyword-Defer
Cloning into '/var/lib/mock/f39-build-1731896-41251/root/chroot_tmpdir/scmroot/perl-Syntax-Keyword-Defer'...
$ git fetch origin 7e7b2d92b01677cd06334a34c80cb2dc243a97a5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Syntax-Keyword-Defer
 * [new ref]         7e7b2d92b01677cd06334a34c80cb2dc243a97a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e7b2d9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild