$ git clone -n https://src.fedoraproject.org/rpms/tcl-tclvfs.git /var/lib/mock/f41-build-812230-147737/root/chroot_tmpdir/scmroot/tcl-tclvfs
Cloning into '/var/lib/mock/f41-build-812230-147737/root/chroot_tmpdir/scmroot/tcl-tclvfs'...
$ git fetch origin 38a2d2c0b87ec519911bccd9e79013968b9aba12:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tcl-tclvfs
 * [new ref]         38a2d2c0b87ec519911bccd9e79013968b9aba12 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 38a2d2c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild