From 55012ec0b93351a0747b8d5d58b83ebc29dfaf61 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Mon, 5 Feb 2018 18:32:23 +0100
Subject: [PATCH] Tweak progress bar message

Say "copying" instead of "fetching" when copying from another local
store. Nice for nixos-install.
---
 src/nix/progress-bar.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/nix/progress-bar.cc b/src/nix/progress-bar.cc
index fb9955190..8bffda54a 100644
--- a/src/nix/progress-bar.cc
+++ b/src/nix/progress-bar.cc
@@ -167,7 +167,12 @@ public:
 
         if (type == actSubstitute) {
             auto name = storePathToName(getS(fields, 0));
-            i->s = fmt("fetching " ANSI_BOLD "%s" ANSI_NORMAL " from %s", name, getS(fields, 1));
+            auto sub = getS(fields, 1);
+            i->s = fmt(
+                hasPrefix(sub, "local")
+                ? "copying " ANSI_BOLD "%s" ANSI_NORMAL " from %s"
+                : "fetching " ANSI_BOLD "%s" ANSI_NORMAL " from %s",
+                name, sub);
         }
 
         if (type == actQueryPathInfo) {