From b3550a17945f87000eca28a3ea9ed7ee87895121 Mon Sep 17 00:00:00 2001
From: Ian Kelling <ian@iankelling.org>
Date: Thu, 18 Apr 2024 10:28:57 -0400
Subject: [PATCH] fix switch-host2

---
 switch-mail-host | 59 +++++++++++++++++++++++++-----------------------
 1 file changed, 31 insertions(+), 28 deletions(-)

diff --git a/switch-mail-host b/switch-mail-host
index b0b35a6..56676b9 100644
--- a/switch-mail-host
+++ b/switch-mail-host
@@ -134,6 +134,26 @@ source /a/bin/bash_unpublished/source-state
 direction=$1
 host=$2
 
+case $script_name in
+  switch-mail-host)
+    if [[ $MAIL_HOST != "$HOST2" ]]; then
+      mail_only=true
+    fi
+    ;;
+  switch-host2)
+    host2_only=true
+    ;;
+  *)
+    err unexpected script name
+    ;;
+esac
+
+if $mail_only; then
+  mp_args="-m /o"
+elif $host2_only; then
+  mp_args="-m /a,/q,/qd,/qr"
+fi
+
 
 if ! $force && { $check_installed || [[ $direction == push ]]; } ; then
   install_bin_files=(
@@ -196,7 +216,7 @@ case $direction in
         fi
       done
       if $diff; then
-        e "found different version on old_host=$old_hostname, reexecing"
+        e "found different version on old_host=$old_host, reexecing"
         m /usr/local/bin/switch-mail-host --pull-reexec "${orig_args[@]}"
         exit 0
       fi
@@ -218,25 +238,6 @@ case $direction in
     ;;
 esac
 
-case $script_name in
-  switch-mail-host)
-    if [[ $MAIL_HOST != "$HOST2" ]]; then
-      mail_only=true
-    fi
-    ;;
-  switch-host2)
-    host2_only=true
-    ;;
-  *)
-    err unexpected script name
-    ;;
-esac
-
-if $mail_only; then
-  mp_args="-m /o"
-elif $host2_only; then
-  mp_args="-m /a,/q,/qd,/qr"
-fi
 
 if ! $force; then
   if $host2_only; then
@@ -288,12 +289,13 @@ while $active; do
   done
 done
 
-# ensure these are unused before doing anything
-e "On $new_host: umounting /m and /o, checking emacs"
-{
-  cat /usr/local/bin/unsaved-buffers
-  if ! $host2_only; then
-    cat <<EOF
+if ! $host2_only; then
+  # ensure these are unused before doing anything
+  e "On $new_host: umounting /m and /o, checking emacs"
+  {
+    cat /usr/local/bin/unsaved-buffers
+    if ! $host2_only; then
+      cat <<EOF
 for dir in m o; do
   if mountpoint -q /\$dir; then
     echo On $new_host: umount /\$dir
@@ -301,8 +303,9 @@ for dir in m o; do
   fi
 done
 EOF
-  fi
-} | $new_shell bash -s
+    fi
+  } | $new_shell bash -s
+fi
 
 if ! $mail_only; then
   cat /usr/local/bin/unsaved-buffers - <<'EOF' |  $old_shell bash -s
-- 
2.30.2