65 lines
1.9 KiB
Bash
65 lines
1.9 KiB
Bash
#!/usr/bin/env bash
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#
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# DO NOT EDIT THIS FILE
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#
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# It is automatically copied from https://github.com/pion/.goassets repository.
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#
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# If you want to update the shared CI config, send a PR to
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# https://github.com/pion/.goassets instead of this repository.
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#
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set -e
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display_commit_message_error() {
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cat << EndOfMessage
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$1
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-------------------------------------------------
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The preceding commit message is invalid
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it failed '$2' of the following checks
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* Separate subject from body with a blank line
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* Limit the subject line to 50 characters
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* Capitalize the subject line
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* Do not end the subject line with a period
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* Wrap the body at 72 characters
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EndOfMessage
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exit 1
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}
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lint_commit_message() {
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if [[ "$(echo "$1" | awk 'NR == 2 {print $1;}' | wc -c)" -ne 1 ]]; then
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display_commit_message_error "$1" 'Separate subject from body with a blank line'
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fi
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if [[ "$(echo "$1" | head -n1 | awk '{print length}')" -gt 50 ]]; then
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display_commit_message_error "$1" 'Limit the subject line to 50 characters'
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fi
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if [[ ! $1 =~ ^[A-Z] ]]; then
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display_commit_message_error "$1" 'Capitalize the subject line'
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fi
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if [[ "$(echo "$1" | awk 'NR == 1 {print substr($0,length($0),1)}')" == "." ]]; then
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display_commit_message_error "$1" 'Do not end the subject line with a period'
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fi
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if [[ "$(echo "$1" | awk '{print length}' | sort -nr | head -1)" -gt 72 ]]; then
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display_commit_message_error "$1" 'Wrap the body at 72 characters'
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fi
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}
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if [ "$#" -eq 1 ]; then
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if [ ! -f "$1" ]; then
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echo "$0 was passed one argument, but was not a valid file"
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exit 1
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fi
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lint_commit_message "$(sed -n '/# Please enter the commit message for your changes. Lines starting/q;p' "$1")"
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else
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for commit in $(git rev-list --no-merges origin/master..); do
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lint_commit_message "$(git log --format="%B" -n 1 $commit)"
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done
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fi
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