Add invocation/command arguments/help message
Now it’s actually somewhat useable! ^_^
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manicito
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manicito
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@ -6,7 +6,41 @@
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# Date: 2024-04-10
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#―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――
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MANICITO_TEMPLATE='$USER (<a href="$USER_URL">$USERHOST</a>) <a href="$POST_URL">posted</a> about $TAG: <blockquote>$(echo "$POST" | head -c 200)</blockquote>'
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if test -z "$MANICITO_TEMPLATE"; then
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MANICITO_TEMPLATE='$USER (<a href="$USER_URL">$USERHOST</a>) <a href="$POST_URL">posted</a> about $HASHTAG: <blockquote>$(echo "$POST" | head -c 200)</blockquote>'
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fi
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# Prints a simple usage message.
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usage() {
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echo "usage: $(basename $0) [-h] [-H HISTORY_FILE] HASHTAG SERVER_URL"
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echo 'Mastodon/Pleroma/etc script to quote-posts all posts of a given hashtag.'
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echo
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echo ' -h print this message and exit'
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echo ' -H file used to store/check quoted posts; to avoid duplicates'
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echo
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echo 'Posts tagged under HASHTAG will all be quote-posted to the'
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echo 'Mastodon-compatible server at SERVER_URL.'
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echo
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echo 'In order to make these posts, you must set the environment variable $FEDI_AUTH'
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echo 'to your authorization token. To find your authorization token, you can snoop '
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echo 'through request headers in your web-browser. In Firefox, you can do:'
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echo ' Developer Tools (F12) → Network → Headers'
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echo 'Look for your $FEDI_AUTH value in the Authorization header like so:'
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echo ' Authorization: Bearer $FEDI_AUTH'
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echo
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echo 'To avoid duplicate-posts, you should specify a “history” file with the -H'
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echo 'parameter. With this, all quoted post IDs will be saved in this file, and'
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echo 'on subsequent runs (so long as you don’t change the history-file), no post'
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echo 'will be quoted twice.'
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echo
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echo 'The environment variable $MANICITO_TEMPLATE is used create the body of your'
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echo 'quote-posts. It substitutes the following shell-variables in templates:'
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echo ' • $HASHTAG'
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echo ' • $POST'
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echo ' • $POST_URL'
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echo ' • $USER'
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echo ' • $USER_URL'
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}
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# Given a post’s JSON, create and submit a quote-post for it.
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@ -67,16 +101,28 @@ post_body() {
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# echo $post_array_json | filter_posts $history_file
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filter_posts() {
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local history_file="$1"
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local ids_to_filter="$(history_post_ids "$history_file")"
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# If the history file exists and has more than five characters, use it to filter… (sanity check)
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if test -f "$history_file" -a "$(wc --bytes "$history_file" | awk '{print $1}')" -gt 5; then
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if test -n "$ids_to_filter" -a "$(wc --bytes "$ids_to_filter" | awk '{print $1}')" -gt 5; then
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jq -cr .[] \
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| grep --invert-match $(sort "$history_file" | uniq | grep -v '^[[:space:]]*$' | sed 's%^%-e %')
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| grep --invert-match $(echo "$ids_to_filter" | sed 's%^%-e %')
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else
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jq -cr .[]
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fi
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}
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history_post_ids() {
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local history_file="$1"
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if test -f "$history_file"; then
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sort -n "$history_file" \
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| uniq \
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| grep -v '^[[:space:]]*$' \
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| awk '{ print $2 }'
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fi
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}
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# Pipe in fediverse posts in JSON format; these will all be echoed into the given
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# “history file”, so that they can be filtered out and avoided on subsequent
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# runs.
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@ -86,8 +132,7 @@ update_filter() {
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if test -f "$history_file"; then
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jq -r '(.created_at + "\t" + .id)' \
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| sort -n \
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| awk -F '\t' '{print $2}' \
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>> "$history_file"
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>> "$history_file"
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fi
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}
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@ -115,8 +160,49 @@ env_subst() {
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}
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FEDI_SERVER="https://jam.xwx.moe"
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curl "$FEDI_SERVER/api/v1/timelines/tag/esperanto" \
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| filter_posts "m" \
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while getopts 'hH:' arg; do
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case $arg in
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h)
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usage
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exit 0
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;;
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H)
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HISTORY_FILE="$OPTARG"
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;;
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esac
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done
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shift $((OPTIND-1))
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HASHTAG="$1"
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FEDI_SERVER="$2"
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if test -z "$HASHTAG"; then
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usage
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exit 1
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fi
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if test -z "$FEDI_AUTH"; then
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1>&2 echo 'You need to set the environment variable $FEDI_AUTH!'
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1>&2 echo 'You can find your auth key by examining the "Authorization: Bearer" header'
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1>&2 echo "used in requests by your server's web-client."
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1>&2 echo 'In Firefox, F12→Network.'
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1>&2 echo ""
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exit 2
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fi
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if test -z "$FEDI_SERVER"; then
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1>&2 echo 'No server specified!'
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1>&2 echo 'Make sure to provide a hashtag (like #esperanto) and a'
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1>&2 echo 'server URL (like https://fedi.server) as the last two arguments.'
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1>&2 echo
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1>&2 echo 'Run with -h for more information.'
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exit 3
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fi
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curl "$FEDI_SERVER/api/v1/timelines/tag/$HASHTAG" \
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| filter_posts "$HISTORY_FILE" \
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| quote_posts \
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| update_filter "m"
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| update_filter "$HISTORY_FILE"
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