fixes and refactor

[distro-setup] / brc

diff --git a/brc b/brc
index 3c54796a5ce0988ae7dadaeb771bd6aa5faa1f6e..5f43270c3c9e516864451eb357515db853756764 100644 (file)
--- a/brc
+++ b/brc
@@ -2171,6 +2171,30 @@ nonet() {
 
 m() { printf "%s\n" "$*";  "$@"; }
 
+# update file. note: duplicated in mail-setup
+u() {
+  local tmp tmpdir dest="$1"
+  local base="${dest##*/}"
+  local dir="${dest%/*}"
+  if [[ $dir != "$base" ]]; then
+    # dest has a directory component
+    mkdir -p "$dir"
+  fi
+  ur=false # u result
+  tmpdir=$(mktemp -d)
+  cat >$tmpdir/"$base"
+  tmp=$(rsync -ic $tmpdir/"$base" "$dest")
+  if [[ $tmp ]]; then
+    printf "%s\n" "$tmp"
+    ur=true
+    if [[ $dest == /etc/systemd/system/* ]]; then
+      reload=true
+    fi
+  fi
+  rm -rf $tmpdir
+}
+
+
 uptime() {
   if type -p uprecords &>/dev/null; then
     uprecords -B