blob: 878e87c8a43a9de2990e685fcb1da7d86a01e6d6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
#!/usr/bin/env bash
# the file containing the commit message is passed as the first argument
commit_file="$1"
commit_message=$(cat "$commit_file")
error() {
echo -e "\033[0;31m$1:\033[0m"
echo "$commit_message"
exit 1
}
# fail if the commit message contains windows style line breaks (carriage returns)
if grep -q -U $'\x0D' "$commit_file"; then
error "Commit message contains CRLF line breaks (only unix-style LF linebreaks are allowed)"
fi
line_number=0
while read -r line; do
# break on git cut line, used by git commit --verbose
if [[ "$line" == "# ------------------------ >8 ------------------------" ]]; then
break
fi
# ignore comment lines
[[ "$line" =~ ^#.* ]] && continue
# ignore overlong 'fixup!' commit descriptions
[[ "$line" =~ ^fixup!\ .* ]] && continue
((line_number += 1))
line_length=${#line}
if [[ $line_number -eq 2 ]] && [[ $line_length -ne 0 ]]; then
error "Empty line between commit title and body is missing"
fi
merge_commit_pattern="^Merge branch"
if [[ $line_number -eq 1 ]] && (echo "$line" | grep -E -q "$merge_commit_pattern"); then
error "Commit is a git merge commit, use the rebase command instead"
fi
category_pattern='^(Revert "|\S+: )'
if [[ $line_number -eq 1 ]] && (echo "$line" | grep -E -v -q "$category_pattern"); then
error "Missing category in commit title (if this is a fix up of a previous commit, it should be squashed)"
fi
title_case_pattern="^\S.*?: [A-Z0-9]"
if [[ $line_number -eq 1 ]] && (echo "$line" | grep -E -v -q "$title_case_pattern"); then
error "First word of commit after the subsystem is not capitalized"
fi
if [[ $line_number -eq 1 ]] && [[ "$line" =~ \.$ ]]; then
error "Commit title ends in a period"
fi
url_pattern="([a-z]+:\/\/)?(([a-zA-Z0-9_]|-)+\.)+[a-z]{2,}(:\d+)?([a-zA-Z_0-9@:%\+.~\?&\/=]|-)+"
if [[ $line_length -gt 72 ]] && (echo "$line" | grep -E -v -q "$url_pattern"); then
error "Commit message lines are too long (maximum allowed is 72 characters)"
fi
if [[ "$line" == "Signed-off-by: "* ]]; then
error "Commit body contains a Signed-off-by tag"
fi
done <"$commit_file"
exit 0
|
