git commit message hook with ticket check

commit-msg.sh

#!/bin/sh

# halp!!4
if [ $# -eq 0 ] || [ $1 == "--help" ] || [ $1 == "-h" ] || [ $1 == "/?" ]; then
    echo "check ticket online, pinging jira; usage:"
    echo "script (-v) [filename]"
    echo "-v        = verbose, optional; dumps messages, not just the exit codes"
    echo "filename  = name of the file containing the commit message, required"
    exit 0
fi

# is verbose?
if [ $1 == "-v" ]; then
    VERBOSE=1
    FILENAME=$2
else
    VERBOSE=0
    FILENAME=$1
fi

# error exit
die () {
    echo "ERROR: Jira ticket ID not found or is invalid!"
    exit 1
}

# da magic
TICKET=`cat $FILENAME | grep -E -e'\[[a-zA-Z]+-[0-9]+\]' | head -n1 | sed -n 's/.*\[//p' | sed -n 's/].*//p'`
if [ "$TICKET" == "" ]; then
    if [ $VERBOSE -eq 1 ]; then echo "no ticket pattern found"; fi
    die
fi
BASEURL='https://jira.3amlabs.net/browse/'
STATUSOK=`curl -s -k -I $BASEURL$TICKET | grep -E -e 'HTTP/[0-9]\.[0-9] (302|200) ' | wc -l`
if [ $STATUSOK -eq 1 ]; then
    if [ $VERBOSE -eq 1 ]; then echo "status ok"; fi
    NOSUCHTICKET=`curl -s -k $BASEURL$TICKET | grep "does not exist" | wc -l`
    if [ $NOSUCHTICKET -eq 1 ]; then
        if [ $VERBOSE -eq 1 ]; then echo "but the ticket doesn't exist"; fi
        die
    else
        if [ $VERBOSE -eq 1 ]; then echo "ticket ok"; fi
        exit 0
    fi
else
    if [ $VERBOSE -eq 1 ]; then echo "web server status not ok"; fi
    die
fi