$ git clone -n https://src.fedoraproject.org/rpms/perl-Unix-Statgrab.git /var/lib/mock/f39-build-1439850-32290/root/chroot_tmpdir/scmroot/perl-Unix-Statgrab
Cloning into '/var/lib/mock/f39-build-1439850-32290/root/chroot_tmpdir/scmroot/perl-Unix-Statgrab'...
$ git fetch origin 264ec5c0e66057c7dc1842b45852d7c8a68c1da8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Unix-Statgrab
 * [new ref]         264ec5c0e66057c7dc1842b45852d7c8a68c1da8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 264ec5c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild