Add charmssh

charmssh

@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+
+# This script uses Charm's Skate and Gum tools to select SSH hosts and connect
+# to them.
+
+# Check for gum and skate.
+if ! test -x "$(command -v gum)"; then
+    echo "Missing dependency: gum"
+    echo "See github.com/charmbracelet/gum"
+    exit 1
+fi
+
+if ! test -x "$(command -v skate)"; then
+    echo "Missing dependency: skate"
+    echo "See github.com/charmbracelet/skate"
+    exit 1
+fi
+
+# Set CHARM_HOST
+export CHARM_HOST="nexus.local"
+
+# Select SSH host key from skate store with gum, get value with skate.
+KEY=$(skate list -k | gum choose --limit=1)
+if test -z "$KEY"; then
+    exit 0
+fi
+
+VALUE=$(skate get "$KEY")
+
+# If VALUE contains non-standard SSH port, set PORT.
+HOST=$(echo "$VALUE" | cut -d ":" -f 1)
+
+if [[ "$VALUE" == *":"* ]]; then
+    PORT=$(echo "$VALUE" | cut -d ":" -f 2)
+fi
+
+# autossh into $HOST, using $PORT, if values are non-zero
+if test -n "$PORT"; then
+    autossh -M 0 "$HOST" -p "$PORT" -X
+else
+    autossh -M 0 "$HOST" -X
+fi