117 lines
3.2 KiB
Go
117 lines
3.2 KiB
Go
package versions
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import (
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"fmt"
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"local/notes-server/config"
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"strings"
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)
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func getScript() string {
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return strings.ReplaceAll(script, "{{{MAXSIZE}}}", fmt.Sprint(config.MaxSizeMB<<20))
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}
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const script = `
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#!/bin/bash -u
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# https://github.com/mgit-at/git-max-filesize/blob/master/pre-receive.sh
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# git-max-filesize
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#
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# git pre-receive hook to reject large files that should be commited
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# via git-lfs (large file support) instead.
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#
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# Author: Christoph Hack <chack@mgit.at>
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# Copyright (c) 2017 mgIT GmbH. All rights reserved.
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# Distributed under the Apache License. See LICENSE for details.
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#
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set -o pipefail
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# "5242880" # 5MB
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readonly DEFAULT_MAXSIZE={{{MAXSIZE}}}
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readonly CONFIG_NAME="hooks.maxfilesize"
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readonly NULLSHA="0000000000000000000000000000000000000000"
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readonly EXIT_SUCCESS="0"
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readonly EXIT_FAILURE="1"
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# main entry point
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function main() {
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local status="$EXIT_SUCCESS"
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# get maximum filesize (from repository-specific config)
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local maxsize
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maxsize="$(get_maxsize)"
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if [[ "$?" != 0 ]]; then
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echo "failed to get ${CONFIG_NAME} from config"
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exit "$EXIT_FAILURE"
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fi
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# skip this hook entirely if maxsize is 0.
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if [[ "$maxsize" == 0 ]]; then
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cat > /dev/null
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exit "$EXIT_SUCCESS"
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fi
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# read lines from stdin (format: "<oldref> <newref> <refname>\n")
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local oldref
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local newref
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local refname
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while read oldref newref refname; do
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# skip branch deletions
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if [[ "$newref" == "$NULLSHA" ]]; then
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continue
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fi
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# find large objects
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# check all objects from $oldref (possible $NULLSHA) to $newref, but
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# skip all objects that have already been accepted (i.e. are referenced by
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# another branch or tag).
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local target
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if [[ "$oldref" == "$NULLSHA" ]]; then
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target="$newref"
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else
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target="${oldref}..${newref}"
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fi
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local large_files
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large_files="$(git rev-list --objects "$target" --not --branches=\* --tags=\* | \
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git cat-file $'--batch-check=%(objectname)\t%(objecttype)\t%(objectsize)\t%(rest)' | \
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awk -F '\t' -v maxbytes="$maxsize" '$3 > maxbytes' | cut -f 4-)"
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if [[ "$?" != 0 ]]; then
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echo "failed to check for large files in ref ${refname}"
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continue
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fi
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IFS=$'\n'
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for file in $large_files; do
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if [[ "$status" == 0 ]]; then
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echo ""
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echo "-------------------------------------------------------------------------"
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echo "Your push was rejected because it contains files larger than $(numfmt --to=iec "$maxsize")."
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echo "Please use https://git-lfs.github.com/ to store larger files."
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echo "-------------------------------------------------------------------------"
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echo ""
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echo "Offending files:"
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status="$EXIT_FAILURE"
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fi
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echo " - ${file} (ref: ${refname})"
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done
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unset IFS
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done
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exit "$status"
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}
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# get the maximum filesize configured for this repository or the default
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# value if no specific option has been set. Suffixes like 5k, 5m, 5g, etc.
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# can be used (see git config --int).
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function get_maxsize() {
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local value;
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value="$(git config --int "$CONFIG_NAME")"
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if [[ "$?" != 0 ]] || [[ -z "$value" ]]; then
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echo "$DEFAULT_MAXSIZE"
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return "$EXIT_SUCCESS"
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fi
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echo "$value"
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return "$EXIT_SUCCESS"
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}
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main
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`
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