New API: mklost_and_found

TODO

@@ -57,7 +57,6 @@ Ideas for extra commands
     e2image
     e2undo
     filefrag
-    mklost+found
 
   SELinux:
     chcat

daemon/ext2.c

@@ -1178,3 +1178,30 @@ error:
   if (err) free (err);
   return -1;
 }
+
+int
+do_mklost_and_found (const char *mountpoint)
+{
+  char *cmd;
+  int r;
+
+  if (asprintf_nowarn (&cmd, "cd %R && mklost+found", mountpoint) == -1) {
+    reply_with_perror ("asprintf");
+    return -1;
+  }
+
+  r = system (cmd);
+  if (r == -1) {
+    reply_with_perror ("system");
+    free (cmd);
+    return -1;
+  }
+  if (!WIFEXITED (r) || WEXITSTATUS (r) != 0) {
+    reply_with_error ("%s: command failed", cmd);
+    free (cmd);
+    return -1;
+  }
+  free (cmd);
+
+  return 0;
+}

generator/actions.ml

@@ -10345,6 +10345,21 @@ If the optional C<suffix> parameter is given, then the suffix
 
 See also: C<guestfs_mkdtemp>." };
 
+  { defaults with
+    name = "mklost_and_found";
+    style = RErr, [Pathname "mountpoint"], [];
+    proc_nr = Some 374;
+    tests = [
+      InitBasicFS, Always, TestRun (
+        [["rm_rf"; "/lost+found"];
+         ["mklost_and_found"; "/"]])
+    ];
+    shortdesc = "make lost+found directory on an ext2/3/4 filesystem";
+    longdesc = "\
+Make the C<lost+found> directory, normally in the root directory
+of an ext2/3/4 filesystem.  C<mountpoint> is the directory under
+which we try to create the C<lost+found> directory." };
+
 ]
 
 (* Non-API meta-commands available only in guestfish.

src/MAX_PROC_NR

@@ -1 +1 @@
-373
+374