get stats from git repository

gitstat.sh

#!/bin/bash

strict_mode=false
PARAMS=()

usage() {
  cat <<EOF
Usage: gitstat.sh [since] [before] [arguments]
  -h, --help              Display this help and exit
  -o, --out OUTFILE       Write stats to OUTFILE instead of standard output
  -a, --author USER_NAME  Limit stats by author
  -s, --strict            Strict mode. Statrs git log with:
                          --ignore-space-change --ignore-all-space
                          --ignore-submodules --find-copies-harder
EOF
}

git_set_head_message() {
  cat <<EOF
Please set HEAD by yourself and run script again
For example, you can use 'git remote set-head origin --auto'
EOF
}

set_head() {
  git remote set-head origin --auto
}

check_head() {
  if [[ -z $(git branch -r | grep HEAD) ]]; then
    printf "%s\n" 'HEAD is not set. Do you want to set it automatically (y/N)?'

    read -r decision
    case "$decision" in
    y | Y)
      decision='Y'
      set_head
      ;;
    *)
      git_set_head_message
      ;;
    esac
  else
    decision='Y'
  fi
}

while (("$#")); do
  case "$1" in
  -h | --help)
    usage
    exit 0
    ;;
  -s | --strict)
    strict_mode=true
    shift
    ;;
  -o | --out)
    output="$2"
    shift 2
    ;;
  -a | --author)
    author="$2"
    shift 2
    ;;
  *)
    PARAMS+=("$1")
    shift
    ;;
  esac
done

check_head

if [[ $decision != 'Y' ]]; then
  exit 0
fi

if [[ "$OSTYPE" == "darwin"* ]]; then
  since=${PARAMS[0]:-$(date -v-14d '+%d %m %Y')}
else
  since=${PARAMS[0]:-$(date -d '14 days' '+%d %m %Y')}
fi

before=${PARAMS[1]:-$(date '+%d %m %Y')}

stats_period="Stats from $since to $before"
printf "%s\n" "$stats_period"

authors=$(git log origin --all --no-merges --format='%aN' --since="$since" --before="$before" | sort -u)
IFS=$'\n' read -d '' -r -a authors < <(printf '%s\n' "$authors")
IFS=' '

gitlog='git log origin --all --shortstat --no-merges --diff-filter=ACDM'

if $strict_mode; then
  gitlog+=' --ignore-space-change --ignore-all-space --ignore-submodules --find-copies-harder -M '
fi

author_stats() {
  awk -v author="$author" \
    '{files+=$1; inserted+=$4; deleted+=$6; delta+=$4-$6; hoc+=$4+$6; ratio=deleted/inserted} END {printf "\n\nCommit stats by %s:\n- Files changed (total)..  %s\n- Lines added (total)....  %s\n- Lines deleted (total)..  %s\n- Total lines (delta).... %s\n- Hits Of Code........... %s\n- Add./Del. ratio (1:n)..  1 : %s\n\n", author, files, inserted, deleted, delta, hoc, ratio }'
}

stats=''
if [[ -n $author ]]; then
  stats+=$($gitlog --author="$author" --since="$since" --before="$before" |
    grep -E "fil(e|es) changed" | author_stats "$author")

  printf '.'
else
  for author in "${authors[@]}"; do
    stats+=$($gitlog --author="$author" --since="$since" --before="$before" |
      grep -E "fil(e|es) changed" | author_stats "$author")

    printf '.'
  done
fi


if [[ -n $output ]]; then
  printf "%s %s" "$stats_period" "$stats" >"$output"
else
  printf "%s\n" "$stats"
fi

Что нового?

• Добавлена метрика Hits Of Code
• Добавлена фильтрация по автору