pre-commit-git-lfs.sh

#!/usr/bin/env bash

BINARY_FILES=""
LFS_FILES=""

LFS_FILES=()
for FILE in "$@"
do
    LFS_FILE=$(git check-attr filter "$FILE" | grep 'filter: lfs$' | sed -e 's/: filter: lfs//')
    if [ ! -z "$LFS_FILE" ]; then
        LFS_FILES+=("$LFS_FILE")
    fi
done

if [ -z "$LFS_FILES" ]; then
    exit 0
fi

for FILE in ${LFS_FILES[@]}
do
    SOFT_SHA=$(git hash-object -w "$FILE")
    RAW_SHA=$(git hash-object -w --no-filters "$FILE")

    if [ $SOFT_SHA == $RAW_SHA ]; then
        BINARY_FILES="$FILE\n$BINARY_FILES"
    fi
done

if [[ -n "$BINARY_FILES" ]]; then
    echo "Attention!"
    echo "----------"
    echo "You tried to commit binary files:"
    echo -e "\x1B[31m$BINARY_FILES\x1B[0m"
    echo "Make sure you have git-lfs installed properly!"
    echo "Revert your changes and commit those files with git-lfs!"
    echo "----------"
    exit 1
fi