$ git clone -n https://src.fedoraproject.org/rpms/tcl-trf.git /var/lib/mock/f40-build-730645-103558/root/chroot_tmpdir/scmroot/tcl-trf
Cloning into '/var/lib/mock/f40-build-730645-103558/root/chroot_tmpdir/scmroot/tcl-trf'...
$ git fetch origin 55b16956b2e3adb75cde4e79e762f49b7b2c32e0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tcl-trf
 * [new ref]         55b16956b2e3adb75cde4e79e762f49b7b2c32e0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55b1695 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild