From ac54a727324448f4ba9c9b8549bbc381a8868a08 Mon Sep 17 00:00:00 2001
From: Luxferre <lux@ferre>
Date: Fri, 30 Jan 2026 11:57:46 +0200
Subject: [PATCH] added Rusty Checker

---
 README.md        |  1 +
 outport          |  2 +-
 rusty-checker.sh | 69 ++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 71 insertions(+), 1 deletion(-)
 create mode 100755 rusty-checker.sh

diff --git a/README.md b/README.md
index 6b48497..96d129d 100644
--- a/README.md
+++ b/README.md
@@ -10,3 +10,4 @@
 * [ShellBeat](./shellbeat.sh): a [bytebeat](https://stellartux.github.io/websynth/guide.html) audio formula player in pure shell (also depends on xxd)
 * [GHMD](./ghmd.sh): a command suite to set up your own self-hosted Git repositories
 * [Multicities](./cities.sh): Neocities static site manager with multiple account support
+* [Rusty Checker](./rusty-checker.sh): quickly check if a public FOSS project is written in Rust (or another language that you pass to the script)
diff --git a/outport b/outport
index c94c626..1d39eab 100755
--- a/outport
+++ b/outport
@@ -12,7 +12,7 @@ case "$ACTION" in
   start)
     while :; do
       [ -z "$1" ] && break
-      PORT_OPTS="$PORT_OPTS -R :$1:localhost:$1"
+      PORT_OPTS="$PORT_OPTS -R 0.0.0.0:$1:localhost:$1"
       shift
     done
     MISC_OPTS="-o ServerAliveInterval=60 -o ServerAliveCountMax=15"
diff --git a/rusty-checker.sh b/rusty-checker.sh
new file mode 100755
index 0000000..a59f37e
--- /dev/null
+++ b/rusty-checker.sh
@@ -0,0 +1,69 @@
+#!/bin/sh
+# Rusty checker: check if a FOSS project is written in Rust (by default)
+# or another language of your selection
+# Usage: rusty-checker.sh repo_url [lang]
+# Currently only supports GitHub, GitLab and Codeberg
+# More provider support may come if there's some public API
+# Depends on grep, curl and jq
+# Created by Luxferre in 2026, released into public domain
+
+PROV=""
+TGT=""
+REPO="$1"
+CHLANG=Rust
+[ ! -z "$2" ] && CHLANG="$2"
+echo "$REPO" | grep -qi "github.com" && PROV="gh"
+echo "$REPO" | grep -qi "gitlab.com" && PROV="gl"
+echo "$REPO" | grep -qi "codeberg.org" && PROV="cb"
+# Remove trailing slash before processing
+REPO="${REPO%/}"
+temp="${REPO%.git}"
+
+CORR_SCORE=0 # innocent until proven guilty
+
+if [ "$PROV" = "gh" ]; then
+  TGT="${temp#*github.com/}"
+  ROOT_URL="https://api.github.com/repos/$TGT"
+  LANG_URL=""
+elif [ "$PROV" = "gl" ]; then
+  TGT="${temp#*gitlab.com/}"
+  ROOT_URL="https://gitlab.com/api/v4/projects/${TGT/\//%2F}"
+  LANG_URL="${ROOT_URL}/languages"
+elif [ "$PROV" = "cb" ]; then
+  TGT="${temp#*codeberg.org/}"
+  ROOT_URL="https://codeberg.org/api/v1/repos/$TGT"
+  LANG_URL=""
+else
+  echo 'This provider is currently unsupported, sorry!'
+  exit 2
+fi
+
+repodata="$(curl -sSL $ROOT_URL)"
+[ -z "$LANG_URL" ] && LANG_URL="$(echo $repodata | jq -r .languages_url)"
+langdata="$(curl -sSL $LANG_URL)"
+desc="$(echo $repodata | jq -r .description)"
+topics=$(echo $repodata | jq -r .topics)
+# mentioning the language in the description boosts the score a lot
+echo "$desc" | grep -qi "$CHLANG" && CORR_SCORE=$((CORR_SCORE + 50))
+# mentioning the language in the topics also boosts the score
+echo "$topics" | grep -qi "$CHLANG" && CORR_SCORE=$((CORR_SCORE + 30))
+# get the most popular language in the language list 
+mainlang="$(echo "$langdata" | jq -r 'to_entries | max_by(.value) | .key')"
+# just using this language increases the score by 10 
+echo "$langdata" | grep -qi "$CHLANG" && CORR_SCORE=$((CORR_SCORE + 10))
+# but if it is the main one, we further increase the score by 50
+echo "$mainlang" | grep -qi "$CHLANG" && CORR_SCORE=$((CORR_SCORE + 50)) 
+
+if ((CORR_SCORE >= 50)); then
+  echo "The project $TGT is most likely written in $CHLANG."
+  if ((CORR_SCORE >= 100)); then
+    echo 'The author is a definite fanatic of this language.'
+  fi
+  exit 0
+else
+  echo "The project $TGT does not seem to be written in $CHLANG."
+  if ((CORR_SCORE > 0)); then
+    echo 'However, this language may be partially used there.'
+  fi
+  exit 1;
+fi