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-rwxr-xr-xbin/make-feeds71
1 files changed, 71 insertions, 0 deletions
diff --git a/bin/make-feeds b/bin/make-feeds
new file mode 100755
index 0000000..d8df2c9
--- /dev/null
+++ b/bin/make-feeds
@@ -0,0 +1,71 @@
+#!/bin/sh
+
+# This program is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Affero General Public License as published by the Free
+# Software Foundation, either version 3 of the License, or (at your option) any
+# later version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
+
+readonly ROOTDIR="$(CDPATH="" cd -- "$(dirname -- "$0")/.." && pwd -P)"
+
+main()
+{
+ # Handle opts
+ while getopts ":h" opt
+ do
+ case "$opt" in
+ h) usage && exit 0 ;;
+ *)
+ printf "Invalid option passed: %s\n" "$OPTARG" >&2
+ ;;
+ esac
+ done
+
+ shift $(( OPTIND - 1 ))
+
+ # Make a list of all unique tags
+ tags="$(mktemp)"
+ awk '/^tags:/ { for (i=2; i<=NF; i++) print $i }' "$ROOTDIR/src/_posts/"* \
+ | sort \
+ | uniq \
+ > "$tags"
+
+ # Create a feed for each tag
+ mkdir -p -- "$ROOTDIR/src/feed"
+ mkdir -p -- "$ROOTDIR/src/atom"
+
+ while read -r tag
+ do
+ lc_tag="$(printf "%s" "$tag" | tr "[:upper:]" "[:lower:]")"
+
+ echo "Creating RSS 2.0 feed for $lc_tag"
+ TAG="$tag" envsubst < "$ROOTDIR/share/feed-rss2.xml" > "$ROOTDIR/src/feed/$lc_tag.xml"
+
+ echo "Creating Atom feed for $lc_tag"
+ TAG="$tag" envsubst < "$ROOTDIR/share/feed-atom.xml" > "$ROOTDIR/src/atom/$lc_tag.xml"
+
+ unset lc_tag
+ done < "$tags"
+
+ # Clean up
+ rm -f -- "$tags"
+}
+
+usage()
+{
+ cat <<EOF
+Usage:
+ ${0##*/} -h
+
+Generate all the seperate feeds for each tag used in posts.
+
+Options:
+ -h Show this help text and exit.
+EOF
+}
+
+main "$@"