From e7d5d990837981496fd8883c85391132200a5319 Mon Sep 17 00:00:00 2001
From: lassulus <lassulus@lassul.us>
Date: Tue, 14 Sep 2021 19:10:16 +0200
Subject: rip Reaktor

---
 krebs/5pkgs/simple/Reaktor/scripts/tell-on_join.sh | 25 ++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100755 krebs/5pkgs/simple/Reaktor/scripts/tell-on_join.sh

(limited to 'krebs/5pkgs/simple/Reaktor/scripts/tell-on_join.sh')

diff --git a/krebs/5pkgs/simple/Reaktor/scripts/tell-on_join.sh b/krebs/5pkgs/simple/Reaktor/scripts/tell-on_join.sh
new file mode 100755
index 00000000..c21dc877
--- /dev/null
+++ b/krebs/5pkgs/simple/Reaktor/scripts/tell-on_join.sh
@@ -0,0 +1,25 @@
+#! /bin/sh
+set -euf
+
+# require flock from util-linux (pkgs.utillinux)
+if test "${FLOCK-}" != "$state_file"; then
+  exec env FLOCK="$state_file" flock "$state_file" "$0" "$@"
+fi
+
+# TODO tell now, if already joined
+jq -r <"$state_file" \
+    --arg to "$_from" \
+    --arg msgtarget "$_msgtarget" \
+    '
+      select(.to == $to and .msgtarget == $msgtarget) |
+      "\(.to): \(.text) \u00032-- \(.from)\u00032 \(.date)"
+    '
+
+jq -c <"$state_file" >"$state_file.tmp" \
+    --arg to "$_from" \
+    --arg msgtarget "$_msgtarget" \
+    '
+      select((.to == $to and .msgtarget == $msgtarget) | not)
+    '
+
+mv "$state_file.tmp" "$state_file"
-- 
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