Add gd* utils

zsh/aliases.zsh

@@ -24,3 +24,39 @@ _take() {
     cd $1
 }
 
+# gd: Check dependencies and auth
+_gdcheck() {
+  # deps
+  local missing=()
+  for cmd in rclone zstd gpg; do
+    command -v "$cmd" >/dev/null 2>&1 || missing+=("$cmd")
+  done
+  (( ${#missing[@]} == 0 )) || {
+    print -u2 "Missing dependencies: ${missing[*]}"
+    return 1
+  }
+
+  # auth
+  rclone lsd gdrive: >/dev/null 2>&1 || {
+    print -u2 "Google Drive auth failed; try: rclone config reconnect gdrive:"
+    return 1
+  }
+}
+
+# gdpush pushes a file to Google Drive
+gdpush() {
+  _gdcheck || return
+  zstd -6 -T0 -c -- "$1" | gpg -c -z 0 -o - | rclone rcat "gdrive:backups/${1:t}.zst.gpg"
+}
+
+# gdls lists files in Google Drive
+gdls() {
+  _gdcheck || return
+  rclone lsf --files-only gdrive:backups/ | sed 's/\.zst\.gpg$//'
+}
+
+# gdpull pulls a file from Google Drive
+gdpull() {
+  _gdcheck || return
+  rclone cat "gdrive:backups/${1:t}.zst.gpg" | gpg -d | zstd -d -c
+}