Prints a changelog in wiki format from git assuming an svn backend

cl.sh

#!/bin/bash

if [ "$1" == "--help" -o $# -lt 3 ]; then
    echo "Usage: cl.sh STUDIO_PROJECT_KEY TAG_OLD TAG_NEW"
    echo ""
    echo "This command is meant to be ran in a git repository pointing at a remote svn repo"
    exit 1
fi

oldtag=$2
newtag=$3
studioProjectKey=$1

git log --date=short --format=tformat:"subject:%s%nbody:%b" tags/$oldtag..tags/$newtag | \ 
sed -n "
/^subject:/ {
    /^subject:\[maven\-/ !{
        s/subject://
        s/\([^\n]\{1,180\}\).*/* \1/
        s|\($studioProjectKey\-[0-9]\+\)|[\1\|http://studio.atlassian.com/browse/\1]|
        p
    }    
}
/git-svn-id:/ {
    s|.*@\([0-9]\+\) .*| [more\|http://studio.atlassian.com/source/changelog/$studioProjectKey?cs=\1]|
    p
} " | \ 
sed -n '
/^ \[more/!{
    h
    n
    H
    x
    s/\n//
    p
}'