Kalle Kromann <kalle.kromann@xxxxxxxxxx> writes: > And the git version was the latest available from apt-get in WSL, 2.7.4. Wow, that's ancient. "git merge" started calling commit-msg hook f8b86359 (builtin/merge: honor commit-msg hook for merges, 2017-09-07), which first appeared in 2.15 (from Oct 2017, that is also ancient in Git timescale) IIUC.