coreboot: show history by week since a release

#!/bin/bash

RELEASE="24.02"
RELEASE_TIME="$(git --no-pager log -n 1 "${RELEASE}" --pretty=format:"%cI")"

BG_COLOR="0D0D26"
CAP_COLOR="FFFF99"
CAP_FILE="coreboot_${RELEASE}.txt"

git fetch
git log --reverse --pretty="%ct|%an)  %s" "${RELEASE}^..origin/main" >"${CAP_FILE}"

export _GIT_BRANCH="origin/main"

for i in {1..16}; do
  WEEK_START="$(date --date="${RELEASE_TIME} $((i - 1))week" +"%F %T %:::z")"
  WEEK_END="$(date --date="${RELEASE_TIME} ${i}week" +"%F %T %:::z")"
  FILENAME="coreboot_${RELEASE}_week_${i}"_GIT_BRANCH=main
  export _GIT_SINCE="${WEEK_START}"
  export _GIT_UNTIL="${WEEK_END}"

#Skip weeks already accounted for
#  if [[ "$(date --date="${WEEK_END}" +%s)" -lt "$(date -d "-1week" +%s)" ]]; then
#    echo "$(date --date="${WEEK_END}" +%s)  (${WEEK_END}) < last week:$(date -d "-1week" +%s) - continuing"
#    continue
#  fi

  if [[ "$(date --date="${WEEK_START}" +%s)" -ge "$(date +%s)" ]]; then
    echo "Week ${i} Start:$(date --date="$WEEK_START" +%s) (${WEEK_START}) >= today:$(date +%s) ($(date +"%F %T %:::z")) - breaking"
    break
  fi

  # Skip partial weeks
  if [[ "$(date --date="${WEEK_END}" +%s)" -ge "$(date +%s)" ]]; then
    echo "Week ${i} end:$(date --date="${WEEK_END}" +%s) (${WEEK_END}) >= today:$(date +%s) ($(date +"%F %T %:::z")) - breaking"
    break
  fi

  commits="$(git --no-pager log --reverse --pretty=format:"%h, %ci, %an, %s" "${RELEASE}^..origin/main" \
    --after="${WEEK_START}" --before="${WEEK_END}" | grep -v "mb/" )"

  if [[ -n "${commits}" ]]; then
    echo "--- Week ${i}: ${WEEK_START} to ${WEEK_END} ---"
    printf "%s\n\n\n" "${commits}"

    rm -f "${FILENAME}.mp4" "${FILENAME}.ppm"

    gource -f -1920x1080 \
      --key \
      --auto-skip-seconds 1 \
      --seconds-per-day 90 \
      --background-colour "${BG_COLOR}" \
      --logo "Documentation/coreboot_logo.png" \
      --title "coreboot ${RELEASE} week ${i}" \
      --caption-file "${CAP_FILE}" \
      --caption-colour "${CAP_COLOR}" \
      --caption-duration 8 \
      --caption-size 20 \
      --dir-font-size 15 \
      --dir-name-depth 4 \
      --max-user-speed 100 \
      --disable-bloom \
      --camera-mode overview \
      --caption-offset 1  \
      --start-date "${WEEK_START}" \
      --stop-date "${WEEK_END}" \
      --stop-at-end \
      --output-ppm-stream "${FILENAME}.ppm"

    ffmpeg \
      -y \
      -r 60 \
      -f image2pipe \
      -vcodec ppm \
      -i "${FILENAME}.ppm" \
      -vcodec libx264 \
      -preset medium \
      -pix_fmt yuv420p \
      -threads 0 \
      -bf 0 \
      "${FILENAME}.mp4"

  echo "_GIT_SINCE: ${_GIT_SINCE} _GIT_UNTIL: ${_GIT_UNTIL} _GIT_BRANCH: ${_GIT_BRANCH}"

    echo
    git-quick-stats -a
    echo
    git-quick-stats -z
    echo
    git-quick-stats -o
    echo
    git-quick-stats -w
    echo

  fi
done