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|
#!/bin/sh
set -euo pipefail
usage() {
echo <<-'EOF'
Usage:
conf GLOBALCONF FILENAME.adoc
conf -G BASECONF > GLOBALCONF
EOF
}
GENERATE=false
while getopts 'G' flag; do
case "$flag" in
(G)
GENERATE=true
;;
(*)
usage >&2
exit 2
;;
esac
done
shift $((OPTIND - 1))
needs() {
if [ -z "${1:-}" ]; then
printf '%s\n' "$2" >&2
exit 1
fi
}
DATE_I='+%Y-%m-%d'
DATE_Is="${DATE_I}T%H:%M:%S%:z"
datex() {
# date(1), plus non-POSIX -d option
DATESTR="$1"
shift
date -d "$DATESTR" "$@"
}
dateiso() {
datex "$1" -u "$DATE_Is"
}
CONF="${1:-}"
FILENAME="${2:-}"
eval "$(assert-arg -- "$CONF" 'CONF')"
. ./"$CONF"
needs "${url_pre:-}" 'Missing required $url_pre (e.g. https://example.com)'
needs "${site_name:-}" 'Missing required $site_name'
needs "${feed_title:-}" 'Missing required $feed_title'
needs "${feed_url:-}" 'Missing required $feed_url'
needs "${feed_alternate_url:-}" 'Missing required $feed_alternate_url'
needs "${list_addr:-}" 'Missing required $list_addr'
needs "${discussions_url_prefix:-}" 'Missing required $discussions_url_prefix'
needs "${email:-}" 'Missing required $email'
needs "${author:-}" 'Missing required $author'
needs "${sourcecode_url:-}" 'Missing required $sourcecode_url'
needs "${sourcecode_url_prefix:-}" 'Missing required $sourcecode_url_prefix'
if [ "$GENERATE" = true ]; then
now_iso="$(dateiso "@${SOURCE_DATE_EPOCH:-$(date '+%s')}" | shesc)"
feed_title_html="$(printf '%s\n' "$feed_title" | htmlesc | shesc)"
site_name_html="$( printf '%s\n' "$site_name" | htmlesc | shesc)"
if [ -z "${logo_alt:-}" ]; then
logo_alt='The website logo'
fi
logo_alt="$(printf '%s\n' "$logo_alt" | htmlesc | shesc)"
cat -- "$CONF"
cat <<-EOF
export now_iso="$now_iso"
export feed_title_html="$feed_title_html"
export site_name_html="$site_name_html"
export feed_url_absolute="$url_pre/$feed_url"
export feed_alternate_url_absolute="$url_pre/$feed_alternate_url"
export logo_alt="$logo_alt"
EOF
exit
fi
eval "$(assert-arg -- "$FILENAME" 'FILENAME')"
trap 'rm -f -- "$FILENAME".embedded-config' EXIT
awk '
$0 == "" {exit}
/^= / {next}
{ printf "export %s=\"%s\"\n",
substr($1, 2, length($1) - 2),
substr($0, length($1) + 2) }
' "$FILENAME" > "$FILENAME".embedded-config
. ./"$FILENAME".embedded-config
is_article() {
printf '%s\n' "$FILENAME" | grep -qE \
'^[-a-zA-Z0-9/]*/[0-9]{4}/[0-9]{2}/[0-9]{2}/[-A-Za-z0-9]+\.adoc$'
#^src/a/b/c/ /1970 /01 /01/ /some-file-N4me.adoc
}
base_url() {
# src/sub/dirs/file.txt -> ../..
# src/file.txt -> .
printf '%s/\n' "$(dirname -- "$UNPREFIXED")" |
sed 's|^\./$|.|' |
sed \
-e 's|[^/]*/|../|g' \
-e 's|/$||'
}
last3dirnames() {
dirname -- "$UNPREFIXED" | tr '/' '\n' | tail -n3 | paste -sd-
}
datefmt() {
LANG=en_GB.UTF-8 datex "$1" -u '+%B %-d, %Y'
}
if [ -z "${root_dir:-}" ]; then
root_dir="$(dirname -- "$CONF")"
fi
root_dir="${root_dir%/}"
if [ -z "${img_dir:-}" ]; then
img_dir=img
fi
img_dir="${img_dir%/}"
UNPREFIXED="${FILENAME#$root_dir/}"
cat -- "$CONF"
url="$(printf '%s\n' "${UNPREFIXED%.adoc}.html" | shesc)"
collurl=
date_iso=
date_formatted=
updatedat_iso=
updatedat_formatted=
if is_article; then
lastdirnames="$(last3dirnames)"
date_iso="$(dateiso "$lastdirnames" | shesc)"
date_formatted="$(datefmt "$date_iso" | shesc)"
if [ -n "${updatedat:-}" ]; then
updatedat_iso="$(dateiso "$updatedat" | shesc)"
updatedat_formatted="$(datefmt "$updatedat_iso" | shesc)"
fi
file="$(basename "$url")"
collurl="$(printf '%s\n' "$lastdirnames" | sed 's|-|/|g' | shesc)/$file"
fi
BASE_URL="$(base_url)"
TITLE_RAW="$(cat -- "$FILENAME" | grep '^= .*' | head -n1 | cut -d' ' -f2- ||
echo 'MISSING')"
TITLEFULL_RAW="$TITLE_RAW | $site_name"
if [ -z "${css_url:-}" ]; then
css_url="$BASE_URL/style.css"
fi
if [ -z "${feed_url:-}" ]; then
feed_url="$BASE_URL/feed.xml"
fi
if [ -z "${feedicon_url:-}" ]; then
needs "${img_dir:-}" 'Define either $feedicon_url or $img_dir'
feedicon_url="$BASE_URL/$img_dir/feed.svg"
fi
if [ -z "${favicon_url:-}" ]; then
needs "${img_dir:-}" 'Define either $favicon_url or $img_dir'
favicon_url="$BASE_URL/$img_dir/favicon.svg"
fi
if [ -z "${logo_url_prefix:-}" ]; then
needs "${img_dir:-}" 'Define either $logo_url_prefix or $img_dir'
logo_url_prefix="$BASE_URL/$img_dir/logo"
fi
if [ -z "${envelopeicon_url_prefix:-}" ]; then
needs "${img_dir:-}" 'Define either $envelopeicon_url_prefix or $img_dir'
envelopeicon_url_prefix="$BASE_URL/$img_dir/envelope"
fi
if [ -z "${lockicon_url_prefix:-}" ]; then
needs "${img_dir:-}" 'Define either $lockicon_url_prefix or $img_dir'
lockicon_url_prefix="$BASE_URL/$img_dir/lock"
fi
title_uri="$(printf '%s' "$TITLE_RAW" | uri)"
comment_url="$(printf 'mailto:%s?Subject=Re%%3A%%20%s\n' "$list_addr" "$title_uri" | shesc)"
discussions_url="$(printf '%s%s\n' "$discussions_url_prefix" "$title_uri" | shesc)"
css_url="$( printf '%s\n' "$css_url" | shesc)"
feed_url="$( printf '%s\n' "$feed_url" | shesc)"
feedicon_url="$( printf '%s\n' "$feedicon_url" | shesc)"
favicon_url="$( printf '%s\n' "$favicon_url" | shesc)"
logo_url_prefix="$( printf '%s\n' "$logo_url_prefix" | shesc)"
envelopeicon_url_prefix="$(printf '%s\n' "$envelopeicon_url_prefix" | shesc)"
lockicon_url_prefix="$( printf '%s\n' "$lockicon_url_prefix" | shesc)"
source_path="$(printf '%s\n' "$FILENAME" | shesc)"
base_url_prefix="$(printf '%s\n' "$BASE_URL" | shesc)"
title="$( printf '%s\n' "$TITLE_RAW" | shesc)"
title_html="$( printf '%s\n' "$TITLE_RAW" | htmlesc | shesc)"
titlefull="$( printf '%s\n' "$TITLEFULL_RAW" | shesc)"
titlefull_html="$(printf '%s\n' "$TITLEFULL_RAW" | htmlesc | shesc)"
cat <<-EOF
export css_url="$css_url"
export feed_url="$feed_url"
export feedicon_url="$feedicon_url"
export favicon_url="$favicon_url"
export logo_url_prefix="$logo_url_prefix"
export envelopeicon_url_prefix="$envelopeicon_url_prefix"
export lockicon_url_prefix="$lockicon_url_prefix"
export source_path="$source_path"
export publickey_url="$base_url_prefix/${publickey_url:-}"
export url="$url"
export collurl="$collurl"
export url_absolute="$url_pre/$url"
export base_url_prefix="$base_url_prefix"
export title="$title"
export title_html="$title_html"
export titlefull="$titlefull"
export titlefull_html="$titlefull_html"
export date_iso="$date_iso"
export date_formatted="$date_formatted"
export updatedat_iso="$updatedat_iso"
export updatedat_formatted="$updatedat_formatted"
export comment_url="$comment_url"
export discussions_url="$discussions_url"
EOF
cat "$FILENAME".embedded-config
if [ -z "${sort:-}" ]; then
echo 'export sort=0'
fi
|
