$ git clone -n https://src.fedoraproject.org/rpms/golang-modernc-tcl.git /var/lib/mock/f42-build-867190-174687/root/chroot_tmpdir/scmroot/golang-modernc-tcl
Cloning into '/var/lib/mock/f42-build-867190-174687/root/chroot_tmpdir/scmroot/golang-modernc-tcl'...
$ git fetch origin 05f1b2d6665394a16fdeeeb474df8122619b616e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-modernc-tcl
 * [new ref]         05f1b2d6665394a16fdeeeb474df8122619b616e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 05f1b2d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild