Format commit message

commit-msg

#!/bin/bash
#
# Add name branch as first line in commit body and flow and context in commit tittle
#
# If the branch has the format 'dev/flow/task' commit with the format 'git commit -m "context # commit title"'
# The commit will be:
#
#   _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
#
#     flow(context) commit title
#
#     dev/flow/task
#     -------------------
#     Description if exists
#   _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
#
# USAGE: 
#     Download to your project root
#     mv commit-msg .git/hooks/ 
#     chmod +x .git/hooks/commit-msg

BRANCH_NAME=$(git branch | sed -n -e 's/^* //gp')
FLOW=""
TITLE=""
BODY=""
COMMIT_MSG=""
LINE_NUMBER=0
NEWLINE=$'\n'

if [[ $BRANCH_NAME == *"/"*"/"* ]]; then
  FLOW=$(echo "$BRANCH_NAME" | cut -f 2 -d "/")
fi

while IFS='' read -r LINE || [[ -n "$LINE" ]]; do
  if [ "$LINE_NUMBER" -eq "0" ]; then
    if [[ $LINE == *"#"* ]]; then
      CONTEXT=$(echo "$LINE" | cut -f 1 -d "#" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')
      TITLE=$(echo "$LINE" | cut -f 2 -d "#" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')
    else
      TITLE="$LINE"
    fi
  elif [[ "$LINE_NUMBER" -gt "1" ]]; then
    BODY="$BODY$LINE$NEWLINE"
  fi
  let LINE_NUMBER++
done < "$1"

if [ ! -z "$FLOW" -a "$FLOW" != " " ]; then
        COMMIT_MSG=""$FLOW"("$CONTEXT") "
        echo
fi

COMMIT_MSG=""$COMMIT_MSG""$TITLE""

echo "$COMMIT_MSG" > $1
echo "" >> $1
echo "$BRANCH_NAME" >> $1
echo "-------------------" >> $1
echo "$BODY" >> $1