add ci

.woodpecker.yml

@@ -0,0 +1,8 @@
+steps:
+  rss:
+    image: alpine
+    commands:
+      - apk add curl
+      - ./bin/rss -f https://www.deblan.io/RSS
+    when:
+      event: [deployment, cron]

bin/rss

@@ -0,0 +1,125 @@
+#!/bin/sh
+
+set -eu
+
+usage() {
+    printf "Usage: %s [-l DEBUG_LEVEL] [-f URL] [-h]\n" "$0"
+}
+
+help() {
+    cat << EOH
+ SYNOPSIS
+    $0 [-l DEBUG_LEVEL] [-f FEED_URL] [-h]
+
+ DESCRIPTION
+
+    $0 generates a list of my personal blog posts.
+
+ OPTIONS
+
+    -h    Show this help
+
+    -l debug|info|notice|warning|error
+          Debug level
+
+    -f URL
+          URL of the RSS Feed
+EOH
+}
+
+on_interrupt() {
+    log -l notice ""
+    log -l notice "Process aborted!"
+
+    exit 130
+}
+
+main() {
+    while getopts "f:l:h" option; do
+        case "${option}" in
+            h) help; exit 0;;
+            l) LOG_VERBOSE="$OPTARG";;
+            f) RSS_URL="$OPTARG";;
+            ?) log -l error "$(usage)"; exit 1;;
+        esac
+    done
+
+    # log [-t] [-l debug|info|notice|warning|error] message
+
+	key=0
+	is_first=1
+	title=
+	link=
+
+	curl --silent "$RSS_URL" \
+		| grep -E "<(title|link)" \
+		| grep -v "<link>" \
+		| grep -v "gemini:" \
+		| while read line; do
+		if [ $((key%2)) -eq 1 ]; then
+			title="$(printf "$line" | sed 's/<title><!\[CDATA\[//g' | sed 's/\]\]><\/title>//g')"
+		else
+			link="$(printf "$line" | cut -d'"' -f2)"
+
+			if [ $is_first -eq 1 ]; then
+				is_first=0
+			else
+				printf "* [%s](%s)\n" "$title" "$link"
+			fi
+		fi
+
+		key=$((key+1))
+	done
+
+    exit 0
+}
+
+log() {
+    LOG_VERBOSE="${LOG_VERBOSE:-info}"
+    LEVEL=info
+    TIME=
+
+    while getopts "tl:" option; do
+        case "${option}" in
+            l) LEVEL="$OPTARG"; shift $((OPTIND-1));;
+            t) TIME="$(printf "[%s] " "$(date +'%Y-%m-%dT%H:%M:%S.%s')")"; shift $((OPTIND-1));;
+            *) exit 1;;
+        esac
+    done
+
+    if [ -t 2 ] && [ -z "${NO_COLOR-}" ]; then
+        case "${LEVEL}" in
+            debug) COLOR="$(tput setaf 3)";;
+            notice) COLOR="$(tput setaf 4)";;
+            warning) COLOR="$(tput setaf 5)";;
+            error) COLOR="$(tput setaf 1)";;
+            *) COLOR="$(tput sgr0)";;
+        esac
+    fi
+
+    case "${LEVEL}" in
+        debug) LEVEL=100;;
+        notice) LEVEL=250;;
+        warning) LEVEL=300;;
+        error) LEVEL=400;;
+        *) LEVEL=200;;
+    esac
+
+    case "${LOG_VERBOSE}" in
+        debug) LOG_VERBOSE_VALUE=100;;
+        notice) LOG_VERBOSE_VALUE=250;;
+        warning) LOG_VERBOSE_VALUE=300;;
+        error) LOG_VERBOSE_VALUE=400;;
+        *) LOG_VERBOSE_VALUE=200;;
+    esac
+
+    if [ $LEVEL -ge $LOG_VERBOSE_VALUE ]; then
+        printf "%s\n" "$*" | while IFS='' read -r LINE; do
+            printf "%s%s%s\n" "${COLOR:-}" "${TIME:-}" "$LINE" >&2
+        done
+    fi
+}
+
+trap on_interrupt INT
+
+main "$@"