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void-packages/common/scripts/lint-commits
2024-03-29 08:12:19 +01:00

66 lines
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#!/bin/sh
die() {
printf '%s\n' "$*" >&2
exit 1
}
command -v git >/dev/null 2>&1 ||
die "neither chroot-git nor git could be found!"
rev_parse() {
if [ -n "$1" ]; then
git rev-parse --verify "$1"
else
shift
while test "$#" != 0
do
git rev-parse --verify "$1" 2>/dev/null && return
shift
done
return 1
fi
}
base=$(rev_parse "$1" FETCH_HEAD ORIG_HEAD) || die "base commit not found"
tip=$(rev_parse "$2" HEAD) || die "tip commit not found"
status=0
for cmt in $(git rev-list --abbrev-commit $base..$tip)
do
git cat-file commit "$cmt" |
awk -vC="$cmt" '
# skip header
/^$/ && !msg { msg = 1; next }
/^author .*noreply/ && !msg {
print "::error title=Commit Lint::" C ": authored by noreply email";
ret=1;
}
/^author .*(localhost|localdomain|[(]none[)])/ && !msg {
print "::error title=Commit Lint::" C ": authored by localhost email";
ret=1;
}
!msg { next }
# 3: long-line-is-banned-except-footnote-like-this-for-url
(NF > 2) && (length > 80) {
print "::error title=Commit Lint::" C ": long line: " $0
ret = 1
}
!subject {
if (length > 50) { print "::warning title=Commit Lint::" C ": subject is a bit long" }
if (!($0 ~ ":" || $0 ~ "^Take over maintainership " || $0 ~ "^Orphan ")) { print "::error title=Commit Lint::" C ": subject does not follow CONTRIBUTING.md guildelines"; exit 1 }
# Below check is too noisy?
# if (!($0 ~ "^New package:" || $0 ~ ".*: update to")) {
# print "::warning title=Commit Lint::" C ": not new package/update/removal?"
# }
subject = 1; next
}
/^$/ { body = 1; next }
!body {
print "::error title=Commit Lint::" C ": second line must be blank"
ret = 1
}
END { exit ret }
' || status=1
done
exit $status