* Added a command `nix-store --clear-failed-paths <PATHS>' to clear

  the "failed" status of the given store paths.  The special value `*'
  clears all failed paths.

1 files changed, 11 insertions, 1 deletions

diff --git a/src/nix-store/nix-store.cc b/src/nix-store/nix-store.cc
index 34bbbcd9f..148fd6add 100644
--- a/src/nix-store/nix-store.cc
+++ b/src/nix-store/nix-store.cc
@@ -666,7 +666,7 @@ static void opOptimise(Strings opFlags, Strings opArgs)
 }
 
 
-static  void opQueryFailedPaths(Strings opFlags, Strings opArgs)
+static void opQueryFailedPaths(Strings opFlags, Strings opArgs)
 {
     if (!opArgs.empty() || !opFlags.empty())
         throw UsageError("no arguments expected");
@@ -676,6 +676,14 @@ static  void opQueryFailedPaths(Strings opFlags, Strings opArgs)
 }
 
 
+static void opClearFailedPaths(Strings opFlags, Strings opArgs)
+{
+    if (!opFlags.empty())
+        throw UsageError("no flags expected");
+    ensureLocalStore().clearFailedPaths(PathSet(opArgs.begin(), opArgs.end()));
+}
+
+
 /* Scan the arguments; find the operation, set global flags, put all
    other flags in a list, and put all other arguments in another
    list. */
@@ -729,6 +737,8 @@ void run(Strings args)
             op = opOptimise;
         else if (arg == "--query-failed-paths")
             op = opQueryFailedPaths;
+        else if (arg == "--clear-failed-paths")
+            op = opClearFailedPaths;
         else if (arg == "--add-root") {
             if (i == args.end())
                 throw UsageError("`--add-root requires an argument");