$ git clone -n https://src.fedoraproject.org/rpms/golang-github-uber-jaeger-lib.git /var/lib/mock/f39-build-1756340-41478/root/chroot_tmpdir/scmroot/golang-github-uber-jaeger-lib
Cloning into '/var/lib/mock/f39-build-1756340-41478/root/chroot_tmpdir/scmroot/golang-github-uber-jaeger-lib'...
$ git fetch origin dc5758d39431e589c10ccae84deb4188c47b7b0a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-uber-jaeger-lib
 * [new ref]         dc5758d39431e589c10ccae84deb4188c47b7b0a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc5758d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild