| #!/bin/sh | |
| # This is a pre-commit hook that ensures attempts to commit files that are | |
| # are larger than $limit to your _local_ repo fail, with a helpful error message. | |
| # Maximum file size limit in bytes | |
| limit=5000000 # 5MB | |
| limitInMB=$(( $limit / 10**6 )) | |
| # Move to the repo root so git files paths make sense | |
| repo_root=$( git rev-parse --show-toplevel ) | |
| cd $repo_root | |
| empty_tree=$( git hash-object -t tree /dev/null ) | |
| if git rev-parse --verify HEAD > /dev/null 2>&1 | |
| then | |
| against=HEAD | |
| else | |
| against=empty_tree | |
| fi | |
| # Set split so that for loop below can handle spaces in file names by splitting on line breaks | |
| IFS=' | |
| ' | |
| echo "Checking staged file sizes" | |
| shouldFail=false | |
| for file in $( git diff-index --cached --name-only $against ); do | |
| file_size=$( ls -la $file | awk '{ print $5 }') | |
| if [ "$file_size" -gt "$limit" ]; then | |
| echo File $file is $(( $file_size / 10**6 )) MB, which is larger than our configured limit of $limitInMB MB | |
| shouldFail=true | |
| fi | |
| done | |
| if $shouldFail | |
| then | |
| echo If you really need to commit this file, you can push with the --no-verify switch, but the file should definitely, definitely be under 10MB!!! | |
| echo Commit aborted | |
| exit 1; | |
| fi |