~ruther/guix-local: daemon: “cannot read potential root” messages shows errno message.

19deb9b658f102f44cec54ea85839b508017030b — Ludovic Courtès 7 months ago 3a64c03

daemon: “cannot read potential root” messages shows errno message.

* nix/libstore/gc.cc (findRoots): Print the message corresponding to errno.

Change-Id: Ia0ddfa6512bbeced1fb0c7c0cc69899674330f29

patch browse .tar.gz

1 files changed, 2 insertions(+), 1 deletions(-)

M nix/libstore/gc.cc

M nix/libstore/gc.cc => nix/libstore/gc.cc +2 -1

@@ 318,7 318,8 @@ static void findRoots(StoreAPI & store, const Path & path, unsigned char type, R
     catch (SysError & e) {
         /* We only ignore permanent failures. */
         if (e.errNo == EACCES || e.errNo == ENOENT || e.errNo == ENOTDIR)
-            printMsg(lvlInfo, format("cannot read potential root `%1%'") % path);
+            printMsg(lvlInfo, format("cannot read potential root '%1%': %2%")
+		     % path % strerror(e.errNo));
         else
             throw;
     }