diff options
Diffstat (limited to 'src/conf')
| -rwxr-xr-x | src/conf | 217 |
1 files changed, 197 insertions, 20 deletions
@@ -1,30 +1,207 @@ #!/bin/sh -set -eu +set -euo pipefail usage() { - echo 'Usage: conf FILENAME' + echo 'Usage: conf BASECONF [GLOBALCONF FILENAME.adoc]' } -FILENAME="${1:-}" + +needs() { + if [ -z "${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" +} + +BASECONF="${1:-}" +GLOBALCONF="${2:-}" +FILENAME="${3:-}" +eval "$(assert-arg -- "$BASECONF" 'BASECONF')" +. "$(realpath -- "$BASECONF")" + + +needs "${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 $sourcecode_url_prefix' + + +if [ -z "$GLOBALCONF" ]; 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 <<-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 "$(assert-arg -- "$BASECONF" 'BASECONF')" eval "$(assert-arg -- "$FILENAME" 'FILENAME')" +. "$(realpath -- "$GLOBALCONF")" + +trap 'rm -f -- "$FILENAME".embedded-config' EXIT + +{ + if head -n1 -- "$FILENAME" | grep -q '^////$'; then + awk 'sep > 1 {exit}; /^\/{4}$/ { sep++; next } { print }' \ + "$FILENAME" + fi +} > "$FILENAME".embedded-config +. "$(realpath -- "$FILENAME".embedded-config)" + +is_article() { + printf '%s\n' "$FILENAME" | grep -qE \ + "^${root_dir}[-a-zA-Z0-9/]*/[0-9]{4}/[0-9]{2}/[0-9]{2}/[-A-Za-z0-9]+\.adoc$" + #^ src /blog/d/a /1970 /01 /01/ /some-file-N4me.adoc +} + +base_url() { + # src/sub/dirs/file.txt -> ../.. + # src/file.txt -> . + printf '%s/\n' "$(dirname -- "$UNPREFIXED")" | + sed \ + -e 's|[^/]*/|../|g' \ + -e 's|/$||' \ + -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="$(dirname -- "$BASECONF")" +fi +root_dir="${root_dir%/}" +if [ -z "${img_dir:-}" ]; then + img_dir=img +fi +img_dir="${img_dir%/}" -date="$(dirname "${FILENAME#src/}" | tr '/' '-')" -date_iso="$(date -ud "${date:?}" -Is)" # FIXME: non POSIX -printf 'export date_iso="%s"\n' "$date_iso" - -cat <<-'EOF' - export domain="DOMAIN" - export email="EMAIL" - export base_url='' - export list_addr='~euandreh/public-inbox@lists.sr.ht' - export mailto_uri_prefix="mailto:$list_addr?Subject=Re%3A%20" - export discussions_url_prefix="https://lists.sr.ht/~euandreh/public-inbox?search=" - export sourcecode_url_prefix="https://$domain/git/$domain/tree/" - export author='EuAndreh' - export url='url1' - export site_name='site_name1' - export feed_article_title='Articles from papo.im' - export lang=en +UNPREFIXED="${FILENAME#$root_dir/}" + +cat "$BASECONF" "$GLOBALCONF" + +date_iso= +date_formatted= +updatedat_iso= +updatedat_formatted= +if is_article; then + date_iso="$(dateiso "$(last3dirnames)" | shesc)" + date_formatted="$(datefmt "$date_iso" | shesc)" + if [ -n "${updatedat:-}" ]; then + updatedat_iso="$(dateiso "$updatedat" | shesc)" + updatedat_formatted="$(datefmt "$updatedat_iso" | shesc)" + fi +fi + +BASE_URL="$(base_url)" +TITLE_RAW="$(cat -- "$FILENAME" | grep '^= .*' | head -n1 | cut -d' ' -f2-)" +TITLEFULL_RAW="$TITLE_RAW | $site_name" + +if [ -z "${css_url:-}" ]; then + css_url="$BASE_URL/style.css" +fi +if [ -z "${atom_url:-}" ]; then + atom_url="$BASE_URL/atom.xml" +fi +if [ -z "${atomicon_url:-}" ]; then + needs "${img_dir:-}" 'Define either $atomicon_url or $img_dir' + atomicon_url="$BASE_URL/$img_dir/atom.svg" +fi +if [ -z "${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/$img_dir/envelope" +fi + +title_uri="$(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" "$title_uri" | shesc)" + +url="$(printf '%s\n' "${UNPREFIXED%.adoc}.html" | shesc)" + +css_url="$( printf '%s\n' "$css_url" | shesc)" +atom_url="$( printf '%s\n' "$atom_url" | shesc)" +atomicon_url="$( printf '%s\n' "$atomicon_url" | shesc)" +favicon_url="$( printf '%s\n' "$favicon_url" | shesc)" +logo_url_prefix="$( printf '%s\n' "$logo_url_prefix" | shesc)" +envelopeicon_url_prefix="$(printf '%s\n' "$envelopeicon_url_prefix" | shesc)" + +source_path="$(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 atom_url="$atom_url" + export atomicon_url="$atomicon_url" + export favicon_url="$favicon_url" + export logo_url_prefix="$logo_url_prefix" + export envelopeicon_url_prefix="$envelopeicon_url_prefix" + export source_path="$source_path" + export url="$url" + export url_absolute="$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 |