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#!/bin/bash
#
# Gather statistics on "Who wrote GlusterFS". The idea comes from the excellent
# articles on http://lwn.net/ named "Who wrote <linux-version>?".
#
# gitdm comes from git://git.lwn.net/gitdm.git by Jonathan Corbet.
#
# Confguration files used:
# - gitdm.config: main configuration file, pointing to the others
# - gitdm.aliases: merge users with different emailaddresses into one
# - gitdm.domain-map: map domain names from emailaddresses to companies
#
DIRNAME=$(dirname $0)
GITDM_REPO=git://git.lwn.net/gitdm.git
GITDM_DIR=${DIRNAME}/gitdm
GITDM_CMD="python ${GITDM_DIR}/gitdm"
error()
{
local ret=${?}
printf "${@}\n" > /dev/stderr
return ${ret}
}
check_gitdm()
{
if [ ! -e "${GITDM_DIR}/gitdm" ]
then
git clone --quiet git://git.lwn.net/gitdm.git ${DIRNAME}/gitdm
fi
}
# The first argument is the revision-range (see 'git rev-list --help').
# REV can be empty, and the statistics will be calculated over the whole
# current branch.
REV=${1}
shift
# all remaining options are passed to gitdm, see the gitdm script for an
# explanation of the accepted options.
GITDM_OPTS=${@}
if ! check_gitdm
then
error "Could not find 'gitdm', exiting..."
exit 1
fi
git log --numstat -M ${REV} | ${GITDM_CMD} -b ${DIRNAME} -n ${GITDM_OPTS}
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