$ git clone -n https://src.fedoraproject.org/rpms/perl-Array-Base.git /var/lib/mock/f40-build-732650-104925/root/chroot_tmpdir/scmroot/perl-Array-Base
Cloning into '/var/lib/mock/f40-build-732650-104925/root/chroot_tmpdir/scmroot/perl-Array-Base'...
$ git fetch origin 4d929c98b383dbe8828224ee27350a00be459b9e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Array-Base
 * [new ref]         4d929c98b383dbe8828224ee27350a00be459b9e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4d929c9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild