$ git clone -n https://src.fedoraproject.org/rpms/string-template-maven-plugin.git /var/lib/mock/f40-build-2538455-61856/root/chroot_tmpdir/scmroot/string-template-maven-plugin
Cloning into '/var/lib/mock/f40-build-2538455-61856/root/chroot_tmpdir/scmroot/string-template-maven-plugin'...
$ git fetch origin 55a6142e049267663744412500b319d0b5f0ce7b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/string-template-maven-plugin
 * [new ref]         55a6142e049267663744412500b319d0b5f0ce7b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55a6142 Use maven plugin annotations