compose/script/validate-dco

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1.8 KiB
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#!/bin/bash
source "$(dirname "$BASH_SOURCE")/.validate"
adds=$(validate_diff --numstat | awk '{ s += $1 } END { print s }')
dels=$(validate_diff --numstat | awk '{ s += $2 } END { print s }')
notDocs="$(validate_diff --numstat | awk '$3 !~ /^docs\// { print $3 }')"
: ${adds:=0}
: ${dels:=0}
# "Username may only contain alphanumeric characters or dashes and cannot begin with a dash"
githubUsernameRegex='[a-zA-Z0-9][a-zA-Z0-9-]+'
# https://github.com/docker/docker/blob/master/CONTRIBUTING.md#sign-your-work
dcoPrefix='Signed-off-by:'
dcoRegex="^(Docker-DCO-1.1-)?$dcoPrefix ([^<]+) <([^<>@]+@[^<>]+)>( \\(github: ($githubUsernameRegex)\\))?$"
check_dco() {
grep -qE "$dcoRegex"
}
if [ $adds -eq 0 -a $dels -eq 0 ]; then
echo '0 adds, 0 deletions; nothing to validate! :)'
elif [ -z "$notDocs" -a $adds -le 1 -a $dels -le 1 ]; then
echo 'Congratulations! DCO small-patch-exception material!'
else
commits=( $(validate_log --format='format:%H%n') )
badCommits=()
for commit in "${commits[@]}"; do
if [ -z "$(git log -1 --format='format:' --name-status "$commit")" ]; then
# no content (ie, Merge commit, etc)
continue
fi
if ! git log -1 --format='format:%B' "$commit" | check_dco; then
badCommits+=( "$commit" )
fi
done
if [ ${#badCommits[@]} -eq 0 ]; then
echo "Congratulations! All commits are properly signed with the DCO!"
else
{
echo "These commits do not have a proper '$dcoPrefix' marker:"
for commit in "${badCommits[@]}"; do
echo " - $commit"
done
echo
echo 'Please amend each commit to include a properly formatted DCO marker.'
echo
echo 'Visit the following URL for information about the Docker DCO:'
echo ' https://github.com/docker/docker/blob/master/CONTRIBUTING.md#sign-your-work'
echo
} >&2
false
fi
fi