Testing log directory backup

[hcoop/domtool2.git] / src / slave.sml

diff --git a/src/slave.sml b/src/slave.sml
index 64613ed..7a507fa 100644 (file)
--- a/src/slave.sml
+++ b/src/slave.sml
@@ -195,4 +195,32 @@ fun lineInFile fname line =
        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
+
+fun mkDirAll dir = ignore (OS.Process.system ("mkdir -p " ^ dir))
+
+fun remove (ls, x) = List.filter (fn y => y <> x) ls
+fun removeDups ls = List.foldr (fn (x, ls) =>
+                                  if List.exists (fn y => y = x) ls then
+                                      ls
+                                  else
+                                      x :: ls) [] ls
+
+fun copyDirCreate {from, to} =
+    (mkDirAll to;
+     if Posix.FileSys.access (from, []) then
+        ignore (OS.Process.system ("cp -r " ^ from ^ " " ^ to))
+     else
+        ())
+
+fun moveDirCreate {from, to} =
+    (mkDirAll to;
+     if Posix.FileSys.access (from, []) then
+        ignore (OS.Process.system ("mv " ^ from ^ " " ^ to))
+     else
+        ())
+
 end