git diff archive

gda.sh

#!/bin/sh

# ---
# git diff archive
#
# HOWTO
#   ./gda.sh [from]
#   ./gda.sh [from] [to]
#   toを省略した場合はHEADがのコミットハッシュが使われます
#
# OUTPUT
#   ./dist/prod_[from]_[to].zip
# ---

# check arg
if [ $# -lt 1 ]; then
  echo "引数例外：引数が$#個です。" 1>&2
  echo "下記のように実行してください：" 1>&2
  echo "./gda.sh [from]" 1>&2
  echo "./gda.sh [from] [to]" 1>&2
  exit 1
fi

# get arg
FROM_RIVISION=$1
TO_RIVISION=HEAD
if [ "$2" ]; then
    TO_RIVISION=$2
fi

# set short commit hash
FROM_RIVISION=`git log $FROM_RIVISION --pretty="%h" | head -1`
TO_RIVISION=`git log $TO_RIVISION --pretty="%h" | head -1`

# set path
ARCHIVE_PATH=$(pwd)/dist/"prod_${FROM_RIVISION}_${TO_RIVISION}.zip"

# archive
DIFF_LIST_PATH=`git diff --name-only $TO_RIVISION $FROM_RIVISION --diff-filter=ACMR`
git archive $TO_RIVISION $DIFF_LIST_PATH -o $ARCHIVE_PATH