diff options
Diffstat (limited to 'templates/hooks/commit-msg.sample')
| -rwxr-xr-x | templates/hooks/commit-msg.sample | 54 |
1 files changed, 52 insertions, 2 deletions
diff --git a/templates/hooks/commit-msg.sample b/templates/hooks/commit-msg.sample index b58d1184a9..f7458efe62 100755 --- a/templates/hooks/commit-msg.sample +++ b/templates/hooks/commit-msg.sample @@ -15,10 +15,60 @@ # SOB=$(git var GIT_AUTHOR_IDENT | sed -n 's/^\(.*>\).*$/Signed-off-by: \1/p') # grep -qs "^$SOB" "$1" || echo "$SOB" >> "$1" -# This example catches duplicate Signed-off-by lines. +# This example catches duplicate Signed-off-by lines and messages that +# would confuse 'git am'. + +ret=0 test "" = "$(grep '^Signed-off-by: ' "$1" | sort | uniq -c | sed -e '/^[ ]*1[ ]/d')" || { echo >&2 Duplicate Signed-off-by lines. - exit 1 + ret=1 } + +comment_re="$( + { + git config --get-regexp "^core\.comment(char|string)\$" || + echo '#' + } | sed -n -e ' + ${ + s/^[^ ]* // + s|[][*./\]|\\&|g + s/^auto$/[#;@!$%^&|:]/ + p + }' +)" +scissors_line="^${comment_re} -\{8,\} >8 -\{8,\}\$" +comment_line="^${comment_re}.*" +blank_line='^[ ]*$' +# Disallow lines starting with "diff -" or "Index: " in the body of the +# message. Stop looking if we see a scissors line. +line="$(sed -n -e " + # Skip comments and blank lines at the start of the file. + /${scissors_line}/q + /${comment_line}/d + /${blank_line}/d + # The first paragraph will become the subject header so + # does not need to be checked. + : subject + n + /${scissors_line}/q + /${blank_line}/!b subject + # Check the body of the message for problematic + # prefixes. + : body + n + /${scissors_line}/q + /${comment_line}/b body + /^diff -/{p;q;} + /^Index: /{p;q;} + b body + " "$1")" +if test -n "$line" +then + echo >&2 "Message contains a diff that will confuse 'git am'." + echo >&2 "To fix this indent the diff." + ret=1 +fi + +exit $ret |