git ssb

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#!/bin/sh
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test -z "$SITE_URL" && echo 'Define the SITE_URL env variable' >&2 && exit 1
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dir=$(dirname $([ -L $0 ] && readlink -f $0 || echo $0))
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cmd=
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xslt_sheet=
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args=
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for arg; do
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  case $cmd in
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    '') case "$arg" in
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      --xslt) cmd=xslt;;
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      --) args="$args ${@:i+1}"; break;;
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      *) args="$args $arg";;
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      esac;;
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    xslt) xslt_sheet="$arg"; cmd=;;
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  esac
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done
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set -- "$args"
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hash uuidgen 2>&- || uuidgen() {
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    uuid ||
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    cat /proc/sys/kernel/random/uuid 2>&- || # Linux
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    cat /compat/linux/proc/sys/kernel/random/uuid 2>&- || # FreeBSD
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    python -c 'import uuid; print uuid.uuid1()'
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}
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: ${SITE_TITLE:=My Cool Site}
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: ${SITE_ID:=$(cat site_id 2>&- || echo urn:uuid:$(uuidgen) | tee site_id)}
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: ${FEED_ENTRIES:=15}
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: ${FEED_WIDTH:=80}
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echo '<?xml version="1.0" encoding="utf-8"?>'
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if [ "$xslt_sheet" ]; then
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  echo '<?xml-stylesheet type="text/xsl" href="'$xslt_sheet'" version="1.0"?>'
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fi
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cat <<EOF
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  <feed xmlns="http://www.w3.org/2005/Atom">
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    <title>$SITE_TITLE</title>
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    <link rel="alternate" type="text/html" href="$SITE_URL"/>
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    <link rel="self" type="application/rss+xml" href="${SITE_URL}feed.xml"/>
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    <updated>$(date --iso-8601=seconds | sed 's/..$/:&/')</updated>
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    <id>$SITE_ID</id>
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EOF
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content_delim=$(uuidgen)
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git log -$FEED_ENTRIES --stat=$FEED_WIDTH --format=format:"entry $content_delim
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title %s
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id %H
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name %aN
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email %aE
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updated %ai
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content $content_delim
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commit %H
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%B
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stat $content_delim" $@ | awk -f "$dir/xml.awk" -v site="$SITE_URL"
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cat <<EOF
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  </feed>
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EOF
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