Add basic iTerm2 integration

dotlib/iterm2.sh

@@ -0,0 +1,25 @@
+# Based on the iTerm2 Bash integration script
+
+if [[ $OSTYPE != darwin* ]]; then
+  return 0
+fi
+
+iterm2_write() {
+  local cmd=$1 fmt=$2
+  shift 2
+  printf "\033]1337;%s=$fmt\007" "$cmd" "$@"
+}
+
+iterm2_write_state() {
+  iterm2_write RemoteHost %s@%s "$USER" "$iterm2_hostname"
+  iterm2_write CurrentDir %s "$PWD"
+}
+
+iterm2_prompt_command() {
+  iterm2_write_state
+}
+
+ITERM_SHELL_INTEGRATION_INSTALLED=Yes
+ITERM_PREV_PS1=$PS1
+iterm2_hostname=${HOSTNAME-"$(hostname -f 2>/dev/null)"}
+PROMPT_COMMAND+=(iterm2_prompt_command)