X-Git-Url: https://git.hcoop.net/hcoop/domtool2.git/blobdiff_plain/6e62228d09c5067f798b356b88b0c53190f75729..f9548f1652232653178ffd9839b9cbbf7f87316b:/src/slave.sml

diff --git a/src/slave.sml b/src/slave.sml
index fb336ae..af8b606 100644
--- a/src/slave.sml
+++ b/src/slave.sml
@@ -56,7 +56,12 @@ fun registerPostHandler handler =
     end
 
 fun handleChanges fs = (!preHandler ();
-			app (!fileHandler) fs;
+			app (fn recd as {action, file, ...} =>
+				(!fileHandler recd;
+				 if action = Delete andalso Posix.FileSys.access (file, []) then
+				     OS.FileSys.remove file
+				 else
+				     ())) fs;
 			!postHandler ())
 
 fun shell ss = OS.Process.isSuccess (OS.Process.system (String.concat ss))
@@ -154,4 +159,45 @@ fun enumerateTo p sep fname =
 	TextIO.closeOut outf
     end
 
+fun readList fname =
+    let
+	val inf = TextIO.openIn fname
+
+	fun loop acc =
+	    case TextIO.inputLine inf of
+		NONE => rev acc
+	      | SOME line => loop (String.substring (line, 0, size line - 1) :: acc)
+    in
+	loop []
+	before TextIO.closeIn inf
+    end
+
+fun writeList (fname, ls) =
+    let
+	val outf = TextIO.openOut fname
+    in
+	app (fn s => (TextIO.output (outf, s);
+		      TextIO.output1 (outf, #"\n"))) ls;
+	TextIO.closeOut outf
+    end
+
+fun lineInFile fname line =
+    let
+	val inf = TextIO.openIn fname
+	val line' = line ^ "\n"
+
+	fun loop () =
+	    case TextIO.inputLine inf of
+		NONE => false
+	      | SOME line => line = line' orelse loop ()
+    in
+	loop ()
+	before TextIO.closeIn inf
+    end handle IO.Io _ => false
+
+fun inGroup {user, group} =
+    List.exists (fn x => x = user)
+		(Posix.SysDB.Group.members (Posix.SysDB.getgrnam group))
+		handle OS.SysErr _ => false
+
 end