Experimental conversion of ci_hsc repo to use lfs for *.fits files

convert-lfs.sh

# converting an existing repo to use "lfs"
#
# note that a .gitattributes file for lfs needs to be added to any commit in
# which large files are present in the tree

wget https://github.com/rtyley/bfg-repo-cleaner/releases/download/git-lfs-alpha/bfg-1.12.4-SNAPSHOT-git-lfs-7242876.jar
git clone [email protected]:/home/price/LSST/ci_hsc
cd ci_hsc
java -jar ../bfg-1.12.4-SNAPSHOT-git-lfs-7242876.jar --convert-to-git-lfs -fi *.fits --no-blob-protection --private
git reset --hard

# stolen from https://gist.github.com/larsxschneider/a31fb77c7e9a9c9b81da
for FILE in .git/lfs/objects/*; do
    OBJ_ID=$(basename "$FILE")
    OBJ_DIR=".git/lfs/objects/${OBJ_ID:0:2}/${OBJ_ID:2:2}"
    mkdir -p "$OBJ_DIR"
    mv "$FILE" "$OBJ_DIR/$OBJ_ID"
done
git filter-branch --tree-filter "echo '*.fits filter=lfs diff=lfs merge=lfs -text' > .gitattributes" HEAD

git reflog expire --expire=now --all && git gc --prune=now
git remote rename origin upstream
git remote add origin [email protected]:lsst/ci_hsc.git
git push -u origin master