http://dqn.sakusakutto.jp/2013/09/git_add_very_large_file.html を試してみた。

git-pack-gc.sh

REPO_DIR=git-pack-gc
LINE_NUM=100000 #000
FILE_NAME=numbers.txt
GIT_OBJECTS_DIR='.git/objects'

echo "mkdir and git init"
mkdir ${REPO_DIR}
cd ${REPO_DIR}
git init

echo ""
echo "Create ${LINE_NUM} lines file."
seq 1 ${LINE_NUM} > ${FILE_NAME}

echo "working tree size."
ls -lh

echo ""
echo "find git objects."
find ${GIT_OBJECTS_DIR}

echo ""
echo "git add ."
git add .

echo ""
echo "find git objects after git add command."
find ${GIT_OBJECTS_DIR}

echo ""
echo ".git/objects size."
du -sh ${GIT_OBJECTS_DIR}

echo ""
echo "git commit"
git commit -m "Create ${LINE_NUM} lines file."

echo ""
echo "find git objects."
find ${GIT_OBJECTS_DIR}

echo ""
echo "add one line to ${FILE_NAME} and git add."
echo `expr ${LINE_NUM} + 1` >> ${FILE_NAME}
git add .

echo ""
echo "find git objects."
find ${GIT_OBJECTS_DIR}

echo ""
echo ".git/objects size."
du -sh ${GIT_OBJECTS_DIR}

echo ""
echo "git commit."
git commit -m "Add 1 line."

echo ""
echo "find git objects."
find ${GIT_OBJECTS_DIR}

echo ""
echo ".git/objects size."
du -sh ${GIT_OBJECTS_DIR}

echo ""
echo "git gc"
git gc

echo ""
echo ".git/objects size."
du -sh ${GIT_OBJECTS_DIR}

echo ""
echo "find git objects."
find ${GIT_OBJECTS_DIR}