$ git clone -n https://src.fedoraproject.org/rpms/perl-smartmatch.git /var/lib/mock/f39-build-1439324-32244/root/chroot_tmpdir/scmroot/perl-smartmatch
Cloning into '/var/lib/mock/f39-build-1439324-32244/root/chroot_tmpdir/scmroot/perl-smartmatch'...
$ git fetch origin 207c59cbd2f23d751993fb496e3fbc871b4360a3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-smartmatch
 * [new ref]         207c59cbd2f23d751993fb496e3fbc871b4360a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 207c59c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild