Initial commit: add all skills

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

linux-ssh-operator-skill/scripts/ssh_copy.sh

@@ -0,0 +1,131 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+usage() {
+  cat <<'USAGE'
+Copy files via scp with consistent options.
+
+Usage:
+  ssh_copy.sh [options] push HOST LOCAL_PATH REMOTE_PATH
+  ssh_copy.sh [options] pull HOST REMOTE_PATH LOCAL_PATH
+
+Options:
+  -u, --user USER     Override SSH user (or set REMOTE_USER)
+  -p, --port PORT     SSH port (default: REMOTE_PORT or 22)
+  -i, --key PATH      Identity file (default: REMOTE_KEY)
+  -r, --recursive     Copy directories recursively
+      --accept-new    Set StrictHostKeyChecking=accept-new
+      --dry-run       Print the scp command that would run
+  -h, --help          Show help
+
+Environment defaults:
+  REMOTE_USER, REMOTE_PORT, REMOTE_KEY
+
+Examples:
+  ssh_copy.sh push my-server ./app.tar.gz /tmp/app.tar.gz
+  ssh_copy.sh --user ubuntu pull 10.0.0.1 /var/log/syslog ./syslog
+USAGE
+}
+
+port="${REMOTE_PORT:-22}"
+user="${REMOTE_USER:-}"
+key="${REMOTE_KEY:-}"
+
+recursive=false
+accept_new=false
+dry_run=false
+
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    -u|--user)
+      user="${2:-}"
+      shift 2
+      ;;
+    -p|--port)
+      port="${2:-}"
+      shift 2
+      ;;
+    -i|--key)
+      key="${2:-}"
+      shift 2
+      ;;
+    -r|--recursive)
+      recursive=true
+      shift
+      ;;
+    --accept-new)
+      accept_new=true
+      shift
+      ;;
+    --dry-run)
+      dry_run=true
+      shift
+      ;;
+    -h|--help)
+      usage
+      exit 0
+      ;;
+    -*)
+      echo "Unknown option: $1" >&2
+      usage >&2
+      exit 2
+      ;;
+    *)
+      break
+      ;;
+  esac
+done
+
+if [[ $# -lt 4 ]]; then
+  usage >&2
+  exit 2
+fi
+
+direction="$1"
+shift
+
+host="$1"
+shift
+
+dest_host="$host"
+if [[ -n "$user" ]]; then
+  host_no_user="${host#*@}"
+  dest_host="${user}@${host_no_user}"
+fi
+
+scp_opts=(-P "$port" -p)
+if [[ -n "$key" ]]; then
+  scp_opts+=(-i "$key" -o "IdentitiesOnly=yes")
+fi
+if $recursive; then
+  scp_opts+=(-r)
+fi
+if $accept_new; then
+  scp_opts+=(-o "StrictHostKeyChecking=accept-new")
+fi
+
+case "$direction" in
+  push)
+    local_path="$1"
+    remote_path="$2"
+    full_cmd=(scp "${scp_opts[@]}" "$local_path" "${dest_host}:${remote_path}")
+    ;;
+  pull)
+    remote_path="$1"
+    local_path="$2"
+    full_cmd=(scp "${scp_opts[@]}" "${dest_host}:${remote_path}" "$local_path")
+    ;;
+  *)
+    echo "Unknown direction: $direction (expected: push|pull)" >&2
+    usage >&2
+    exit 2
+    ;;
+esac
+
+if $dry_run; then
+  printf '%q ' "${full_cmd[@]}"
+  printf '\n'
+  exit 0
+fi
+
+"${full_cmd[@]}"