$ git clone -n https://src.fedoraproject.org/rpms/perl-Syntax-Feature-Loop.git /var/lib/mock/f39-build-1974687-43330/root/chroot_tmpdir/scmroot/perl-Syntax-Feature-Loop
Cloning into '/var/lib/mock/f39-build-1974687-43330/root/chroot_tmpdir/scmroot/perl-Syntax-Feature-Loop'...
$ git fetch origin 510c6662eec5381dc09967f871226dadab9c00c9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Syntax-Feature-Loop
 * [new ref]         510c6662eec5381dc09967f871226dadab9c00c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 510c666 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild