$ git clone -n https://src.fedoraproject.org/rpms/signon-plugin-oauth2.git /var/lib/mock/f39-build-1470189-33883/root/chroot_tmpdir/scmroot/signon-plugin-oauth2
Cloning into '/var/lib/mock/f39-build-1470189-33883/root/chroot_tmpdir/scmroot/signon-plugin-oauth2'...
$ git fetch origin e9b8e79fc76a2cdd39b9cbf35313c95e013614c4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/signon-plugin-oauth2
 * [new ref]         e9b8e79fc76a2cdd39b9cbf35313c95e013614c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e9b8e79 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild