It spent 3 1/2 minutes on the "Unpacking" line, moving almost a gigabyte of data, to alter 26 lines in 3 text files whose total size is 54 KB. This happens somewhat regularly, but not always.

9:09:31 AM: git pull
remote: Enumerating objects: 32, done.
remote: Counting objects: 100% (32/32), done.
remote: Compressing objects: 100% (21/21), done.
remote: Total 25 (delta 17), reused 4 (delta 3), pack-reused 0
Unpacking objects: 100% (25/25), 905.64 MiB | 5.27 MiB/s, done.
From www.dnalounge.com:/cvsroot/dna
  11efceccd4d7..718b8646a307  master     -> origin/master
Updating 11efceccd4d7..718b8646a307
Fast-forward
calendar/2022/07-15.html |  8 ++++----
calendar/2022/07.html    |  6 +++---
calendar/weekly.html     | 38 +++++++++++++++++++-------------------
3 files changed, 26 insertions(+), 26 deletions(-)
9:13:00 AM: done.

% git diff -U0 11efceccd4d7..718b8646a307 | grep '^\+' | wc
      29     107    3910

Previously, previously, previously, previously.