From d8bf0d4859e28ddd23401fbe89f4e528aa09ddb3 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Fri, 29 Apr 2016 21:04:40 +0200
Subject: Support Git repos in the Nix path

E.g.

  $ nix-build -I nixpkgs=git://github.com/NixOS/nixpkgs '<nixpkgs>' -A hello

This is not extremely useful yet because you can't specify a
branch/revision.
---
 src/libutil/util.cc | 6 ++++++
 src/libutil/util.hh | 4 ++++
 2 files changed, 10 insertions(+)

(limited to 'src/libutil')

diff --git a/src/libutil/util.cc b/src/libutil/util.cc
index d738009051f3..67558cc0b33c 100644
--- a/src/libutil/util.cc
+++ b/src/libutil/util.cc
@@ -1082,6 +1082,12 @@ bool statusOk(int status)
 }
 
 
+bool hasPrefix(const string & s, const string & suffix)
+{
+    return s.compare(0, suffix.size(), suffix) == 0;
+}
+
+
 bool hasSuffix(const string & s, const string & suffix)
 {
     return s.size() >= suffix.size() && string(s, s.size() - suffix.size()) == suffix;
diff --git a/src/libutil/util.hh b/src/libutil/util.hh
index 6e5ab55e31d7..f3f0f92a0aaa 100644
--- a/src/libutil/util.hh
+++ b/src/libutil/util.hh
@@ -333,6 +333,10 @@ template<class N> bool string2Float(const string & s, N & n)
 }
 
 
+/* Return true iff `s' starts with `prefix'. */
+bool hasPrefix(const string & s, const string & prefix);
+
+
 /* Return true iff `s' ends in `suffix'. */
 bool hasSuffix(const string & s, const string & suffix);
 
-- 
cgit 1.4.1