$ git clone -n https://src.fedoraproject.org/rpms/perl-Text-Brew.git /var/lib/mock/f39-build-1439652-32273/root/chroot_tmpdir/scmroot/perl-Text-Brew
Cloning into '/var/lib/mock/f39-build-1439652-32273/root/chroot_tmpdir/scmroot/perl-Text-Brew'...
$ git fetch origin 1500c48f90558866031022e326b8892b675b8c9b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Text-Brew
 * [new ref]         1500c48f90558866031022e326b8892b675b8c9b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1500c48 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild