Ticket #5874: hgdumpchangesets.sh

#!/bin/bash
# TODO Add support for command line arguments
#usage:
# hgdumpchangesets [<int> [<int>]]

# defaults
rev=0
tip=`hg tip`
max=`echo ${tip} | awk '{ print $2 }' | sed -e 's/:.*//g'`

# parse command line options, if specified
if [ "$1" != "" ] ; then
    if [ $1 -gt 0 ] ; then
        rev=$1
    fi
    if [ "$2" != "" ] ; then
        if [ $2 -gt $1 ] ; then
            max=$2
        fi
    fi
fi

if [ $rev -gt $max ] ; then
    echo 'A revision greater than the working repository was specified. Exiting ...'
    exit 1
fi

output='dumped_changesets'
if  [ -d ${output} ] ; then
    # be happy.
    echo ''
else
    mkdir ${output}
fi
while [ $rev -le $max ] ; do
    echo "Creating a logged patch for ${rev} ..."
    patchfile="${output}/hg-${rev}.patch"
    #echo "hg -v log -r ${rev} > ${patchfile}"
    #echo "hg diff -r ${rev} >> ${patchfile}"
    hg -v log -r ${rev} > ${patchfile}
    hg diff -c ${rev} >> ${patchfile}
    rev=`expr ${rev} + 1`
done