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6 changes: 4 additions & 2 deletions hook.sh
Original file line number Diff line number Diff line change
Expand Up @@ -130,8 +130,10 @@ validate_commit_message() {
# reset warnings
WARNINGS=()

# capture the subject, and remove the 'squash! ' prefix if present
COMMIT_SUBJECT=${COMMIT_MSG_LINES[0]/#squash! /}
# capture the subject, and remove the 'squash! ', 'tag: ', '[tag] ' or '{tag} ' prefix if present
shopt -s extglob
COMMIT_SUBJECT=${COMMIT_MSG_LINES[0]/#@(+([[:alnum:][:punct:]])@(?(\(+([[:alnum:][:punct:]])\))|*(: +([[:alnum:][:punct:]]))):|\[+([[:alnum:][:punct:]])\]|\{+([[:alnum:][:punct:]])\}|squash\!) /}
shopt -u extglob

# if the commit is empty there's nothing to validate, we can return here
COMMIT_MSG_STR="${COMMIT_MSG_LINES[*]}"
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