$ git clone -n https://src.fedoraproject.org/rpms/golang-github-playground-locales.git /var/lib/mock/f39-build-1505017-35095/root/chroot_tmpdir/scmroot/golang-github-playground-locales
Cloning into '/var/lib/mock/f39-build-1505017-35095/root/chroot_tmpdir/scmroot/golang-github-playground-locales'...
$ git fetch origin 8338f84e25f1586ede63f7cd8a0ed6c26ad169a0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-playground-locales
 * [new ref]         8338f84e25f1586ede63f7cd8a0ed6c26ad169a0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8338f84 Update to 0.14.1 - Closes rhbz#2158545