$ git clone -n https://src.fedoraproject.org/rpms/rust-indexmap1.git /var/lib/mock/f45-build-42545-794/root/chroot_tmpdir/scmroot/rust-indexmap1
Cloning into '/var/lib/mock/f45-build-42545-794/root/chroot_tmpdir/scmroot/rust-indexmap1'...
$ git fetch origin 8e772cf4a742f48e22e87baa2ec171df7fbd4071:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-indexmap1
 * [new ref]         8e772cf4a742f48e22e87baa2ec171df7fbd4071 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8e772cf Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild