mk-time-series from openaps git logs

mk-time-series

#!/bin/bash

# oref0-predict/oref0.json
INPUT=$1
TEST_EXEC="if (Array.isArray(this)) {  process.exit(1); }"
git log \
  --format="format:%h %aI %s" \
  -n 100 --follow -- $INPUT \
  | while read hash iso subject ; do
    spec=$hash:$INPUT
    git show $spec \
      | ( json -A -e "$TEST_EXEC" || ( echo "{}" \
      | json -0 -e "this.slice = $(git show $spec )"
      ) ) 2>/dev/null \
      | json -0 -e "this.dateString = '$iso'" \
      | json -0 -e "this.subject = '$subject'" \
      | json -0 -e "this.hash = '$hash'"
  done | json -ga -0 | json -g