From e026bc3b05ca45c2d855d0a38820034ab4ef3c4c Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Wed, 1 Nov 2017 18:43:11 +0100
Subject: fetchMercurial: Don't fetch hashes we already have

---
 src/libutil/util.hh | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'src/libutil/util.hh')

diff --git a/src/libutil/util.hh b/src/libutil/util.hh
index 63a93f2ca6a7..a3494e09b09b 100644
--- a/src/libutil/util.hh
+++ b/src/libutil/util.hh
@@ -245,6 +245,23 @@ string runProgram(Path program, bool searchPath = false,
     const Strings & args = Strings(),
     const std::experimental::optional<std::string> & input = {});
 
+struct RunOptions
+{
+    Path program;
+    bool searchPath = true;
+    Strings args;
+    std::experimental::optional<std::string> input;
+    bool _killStderr = false;
+
+    RunOptions(const Path & program, const Strings & args)
+        : program(program), args(args) { };
+
+    RunOptions & killStderr(bool v) { _killStderr = true; return *this; }
+};
+
+std::pair<int, std::string> runProgram(const RunOptions & options);
+
+
 class ExecError : public Error
 {
 public:
-- 
cgit 1.4.1