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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hash uuidgen >&2 || uuidgen() {
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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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: ${SITE_AUTHOR:=$(grep $(id -u) /etc/passwd | cut -d: -f 5 | cut -d, -f1)}
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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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: ${FEED_WIDTH:=80}
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cat <<EOF
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<?xml version="1.0" encoding="utf-8"?>
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  <feed xmlns="http://www.w3.org/2005/Atom">
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    <title>$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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    <author>
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      <name>$SITE_AUTHOR</name>
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    </author>
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    <id>$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 $content_delim" | awk -f xml.awk -v site="$SITE_URL"
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cat <<EOF
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  </feed>
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EOF
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