git: Add a command to log to JSON

See https://til.simonwillison.net/jq/git-log-json.

Author: sschuberth

git/git-log-json

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+# See https://til.simonwillison.net/jq/git-log-json.
+
+git log --pretty=format:'%H%x00%an <%ae>%x00%ad%x00%s%x00' | \
+  jq -R -s '[split("\n")[:-1] | map(split("\u0000")) | .[] | {
+    "commit": .[0],
+    "author": .[1],
+    "date": .[2],
+    "message": .[3]
+  }]'