From: Mark Wooding <mdw@distorted.org.uk>
Date: Thu, 16 Nov 2017 12:25:12 +0000 (+0000)
Subject: dot/shell-rc: If terminal is `dumb' then use vanilla prompts.
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/profile/commitdiff_plain/55bd026152a0d09c69a2e6113d46928a3ad22ed9

dot/shell-rc: If terminal is `dumb' then use vanilla prompts.

This avoids confusing Emacs's `TRAMP' facility.
---

diff --git a/dot/shell-rc b/dot/shell-rc
index 5c3c336..4538bc3 100644
--- a/dot/shell-rc
+++ b/dot/shell-rc
@@ -74,20 +74,28 @@ __mdw_set_prompt_pieces () {
 }
 
 __mdw_set_prompt () {
-  __mdw_last_rc=$?
-  local git rc
-  if type __git_ps1 >/dev/null 2>&1; then
-    git="$__mdw_prompt_git_left$(__git_ps1)$__mdw_prompt_git_right"
-  else
-    git=""
-  fi
-  case $__mdw_last_rc in
-    0) rc="" ;;
-    *) rc="$__mdw_prompt_rc_left rc=$__mdw_last_rc$__mdw_prompt_rc_right" ;;
+  case "$TERM" in
+    dumb)
+      case $(id -u) in 0) PS1='# ' ;; *) PS1='$ ' ;; esac
+      PS2='> '
+      ;;
+    *)
+      __mdw_last_rc=$?
+      local git rc
+      if type __git_ps1 >/dev/null 2>&1; then
+	git="$__mdw_prompt_git_left$(__git_ps1)$__mdw_prompt_git_right"
+      else
+	git=""
+      fi
+      case $__mdw_last_rc in
+	0) rc="" ;;
+	*) rc="$__mdw_prompt_rc_left rc=$__mdw_last_rc$__mdw_prompt_rc_right" ;;
+      esac
+      PS1="$__mdw_prompt_left$git$rc$__mdw_prompt_right"
+      PS2="$PS1 $bold>$unbold "
+      unset __mdw_last_rc
+      ;;
   esac
-  PS1="$__mdw_prompt_left$git$rc$__mdw_prompt_right"
-  PS2="$PS1 $bold>$unbold "
-  unset __mdw_last_rc
 }
 
 __mdw_precmd () {