Updating port devel/git from 2.29.2 to 2.30 (make in devel/git, standard config) fails:
===> Installing contributed scripts
/bin/mkdir -p /usr/ports/devel/git/work-default/stage/usr/local/share/git-core/contrib
cp -f -R /usr/ports/devel/git/work-default/git-2.30.0/contrib/* /usr/ports/devel/git/work-default/stage/usr/local/share/git-core/contrib
ln: /usr/ports/devel/git/work-default/stage/usr/local/etc/bash_completion.d//git-completion.bash: File exists
*** Error code 1
Deinstalling and building from scratch fails also.
OS is CURRENT (FreeBSD 13.0-CURRENT #208 main-c255447-g5e78bbb74a1f: Wed Dec 30 17:32:17 CET 2020 amd64).
Ports tree has been updated recently (just before build).