$ git clone -n https://src.fedoraproject.org/rpms/libinstpatch.git /var/lib/mock/f45-build-16402-486/root/chroot_tmpdir/scmroot/libinstpatch
Cloning into '/var/lib/mock/f45-build-16402-486/root/chroot_tmpdir/scmroot/libinstpatch'...
$ git fetch origin 5762bf4790ab71a2bbeffa5eb42aeba57752c209:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libinstpatch
 * [new ref]         5762bf4790ab71a2bbeffa5eb42aeba57752c209 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5762bf4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild