$ git clone -n https://src.fedoraproject.org/rpms/tcl-snack.git /var/lib/mock/f40-build-730665-103578/root/chroot_tmpdir/scmroot/tcl-snack
Cloning into '/var/lib/mock/f40-build-730665-103578/root/chroot_tmpdir/scmroot/tcl-snack'...
$ git fetch origin f1ade317260c133d165de5c4b42b078b1bb12a59:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tcl-snack
 * [new ref]         f1ade317260c133d165de5c4b42b078b1bb12a59 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f1ade31 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild