$ git clone -n https://src.fedoraproject.org/rpms/golang-github-rwcarlsen-goexif.git /var/lib/mock/f45-build-12462-442/root/chroot_tmpdir/scmroot/golang-github-rwcarlsen-goexif
Cloning into '/var/lib/mock/f45-build-12462-442/root/chroot_tmpdir/scmroot/golang-github-rwcarlsen-goexif'...
$ git fetch origin 974ff3d80063f2f33793414db6a4b4a818e02046:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-rwcarlsen-goexif
 * [new ref]         974ff3d80063f2f33793414db6a4b4a818e02046 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 974ff3d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild