Mainly add external monitoring of mail server

[distro-setup] / conflink

diff --git a/conflink b/conflink
index 42c811a6437f16b9e195b1fded71eb3516826efe..093dc2d725cb4901221e0daf4266c7b2069d8b1e 100755 (executable)
--- a/conflink
+++ b/conflink
@@ -24,14 +24,26 @@ m() {
 s() { sudo "$@"; }
 
 lnf() { /a/exe/lnf "$@"; }
+
+# error prone
+#f=~/.local/conflink
+# fast=false
+# if [[ -e $f ]] && (( $(stat -c %Y $f) > $now - 60*60*24 )); then
+#   fast=true
+# fi
 if [[ $1 == -f ]]; then # f for fast
-  lnf() { ln -sf "$@"; }
+  fast=true
+  shift
 elif
   [[ $1 ]]; then
   echo "error: unrecognized arguments" >&2
   exit 0
 fi
 
+if $fast; then
+  lnf() { ln -sf "$@"; }
+fi
+
 shopt -s nullglob
 shopt -s extglob
 shopt -s dotglob
@@ -66,14 +78,23 @@ subdir-link-r() {
 }
 
 
-
 common-file-setup() {
-  local dir fs x f
+  local dir fs x f systemd_reload
+  systemd_reload=false
   for dir in "$@"; do
     fs=$dir/filesystem
     if [[ -e $fs && $user =~ ^iank?$ ]]; then
+      # this could be done with rsync, something like this,
+      # but I haven't looked at the symlinks.
+      # s rsync -n -ahviSAXPH --specials --devices --chown=root:root --chmod=g-s $fs /
       # note, symlinks get resolved, not copied.
-      s tar --mode=g-s --owner=0 --group=0 -cz -C $fs . | s tar -xz -C /
+      if s tar --anchored \
+           --exclude etc/dovecot/users \
+           --exclude etc/exim4/passwd \
+           --exclude etc/exim4/*.pem \
+           --mode=g-s --owner=0 --group=0 -cz -C $fs . | s tar -dz -C / | grep /etc/systemd &>/dev/null; then
+        systemd_reload=true
+      fi
     fi
 
     if [[ -e $dir/subdir_files ]]; then
@@ -83,6 +104,9 @@ common-file-setup() {
     (( ${#x[@]} >= 1 )) || continue
     m lnf ${x[@]} ~
   done
+  if $systemd_reload; then
+    m s systemctl daemon-reload
+  fi
 }
 
 user=$(id -un)
@@ -140,6 +164,13 @@ case $user in
     fi
 
     m sudo -H -u user2 "${BASH_SOURCE[0]}"
+
+    f=/a/bin/distro-setup/system-status
+    if [[ -x $f ]]; then
+      $f _
+    fi
+    echo 0 >~/.local/conflink
+
     ;;
   user2)
     m common-file-setup ${c_dirs[@]}
@@ -148,9 +179,3 @@ case $user in
     echo "$0: error: unexpected user"; exit 1
     ;;
 esac
-
-f=/a/bin/distro-setup/system-status
-if [[ -x $f ]]; then
-  $f _
-fi
-echo 0 >~/.local/conflink