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seirdy.one/scripts/populate-webrings.sh
Seirdy b07f06e009
Stop using deprecated functions
- Replace getCSV with resources.Get | transform.Unmarshal. This required
  moving my CSV data to the assets directory, for some reason. Ugh.
- Switch from site.LastChange to site.Lastmod.
2024-07-14 02:08:34 -04:00

89 lines
2 KiB
Bash
Executable file

#!/bin/sh
# Get webring links to append to the CSV before building
# Some webrings require an iframe or scripts, but I want a plain static
# first-party HTML+CSS page. This script fetches webring links by
# parsing the iframes and appends appropriate values to my webrings.csv file.
#shellcheck disable=SC3040 # This only sets pipefail if it's available (e.g. in Bash, Zsh) and otherwise does nothing (in other POSIX shells like Busybox sh and dash)
set -o pipefail 2>/dev/null
set -e -u
# the name of this program
progname="$(basename "$0")"
dirname="$(dirname "$0")"
webrings_src="$dirname/../assets/csv/webrings.base.csv"
webrings_dest="$dirname/../assets/csv/webrings.csv"
help_text="Usage: $progname [OPTION...]
Update webrings.csv with new prev/next links, to avoid iframes/scripts
Options:
-h Print this help and exit
-d Dry run; just print results, don't update webrings.csv
"
usage() {
printf '%s' "$help_text"
}
# when the user passess bad args, send a msg to stderr and exit
# usage: bad_option <option> <reason>
bad_option() {
echo "$progname: option $1: $2" >&2
usage >&2
exit 1
}
dry_run='0'
while getopts "hd" flags; do
case $flags in
h)
usage
exit 0
;;
d)
dry_run='1'
shift
;;
*)
bad_option "$flags" 'invalid option'
;;
esac
done
endless_orbit() {
printf 'Endless Orbit,'
curl -sSL --compressed https://linkyblog.neocities.org/onionring/onionring-variables.js \
| grep -C 1 https://seirdy.one/ \
| tr -d "'\n" | sed 's|https://seirdy.one/|https://linkyblog.neocities.org/webring.html|'
echo 'null'
}
focus_first() {
printf 'Focus First,'
curl -sSL --compressed https://owlsroost.xyz/webring/onionring-variables.js \
| grep -C 1 https://seirdy.one/ \
| tr -d "'\r\n\t" | sed 's|https://seirdy.one/|https://owlsroost.xyz/webring/index.html|'
echo 'null'
}
all_lines() {
endless_orbit
focus_first
}
if [ "$dry_run" = '1' ]; then
all_lines
elif [ -f "$webrings_dest" ]; then
echo "webrings file already generated"
else
all_lines | cat "$webrings_src" - >"$webrings_dest"
fi
# vi:ft=sh