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#!/bin/bash
# Usage: [TARGET=…] $0 [ref]
# - Build from either the ref (or refs/heads/master) or from the current working directory
# - Can be used as a post-update hook
set -eu
shopt -s extglob
tmp=$(mktemp -d)
trap "rm -rf '$tmp'" EXIT INT
staging="$tmp/staging" # the temporary build dir
pubdir=${TARGET:-/srv/www/vhosts/www.exim.org} # publish here
if [[ $(git rev-parse --is-inside-work-tree) != true ]]
then
workdir=$tmp/workdir
install -d "$workdir"
git --work-tree="$workdir" checkout -f refs/heads/master # FIXME: use the receiving branch
cd "$workdir"
fi
if ! test -d "$pubdir"
then
echo "Warning: $pubdir does not exist. Did you forget to set the TARGET env in \"local\" mode?" >&2
exit 1
fi
if getent group eximdev
then install -m 02775 -g eximdev -d "$staging"
else install -d "$staging"
fi
cp -r --preserve=timestamps "$pubdir"/exim-+(html|pdf)-* "$staging/" ||:
# start working
latest=$(cd docbook && compgen -G '[45].*' | sort -V | tail -n1)
script/gen \
--web \
--spec docbook/[45]*/spec.xml \
--filter docbook/[45]*/filter.xml \
--tmpl templates \
--latest "$latest" \
--docroot "$staging"
mv "$staging" "$pubdir.$$" # may take some time (tmp -> data volume)
mv "$pubdir" "$pubdir.$(date -Isecond)" # backup
mv "$pubdir.$$" "$pubdir" # should be fast
echo "*** updated into $pubdir"
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