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authorEelco Dolstra <eelco.dolstra@logicblox.com>2015-07-17T09·24+0200
committerEelco Dolstra <eelco.dolstra@logicblox.com>2015-07-17T09·24+0200
commit7c9d0a596961bbb74b5b2c29cc3d8f2608e45d83 (patch)
tree0bdaa86df087becc3da5fca2d28f1cccad8585db /src/nix-collect-garbage/nix-collect-garbage.cc
parent5845ffdf1354d2acfd4a840dcfd9556742880176 (diff)
nix-collect-garbage: Handle ENOENT
Don't barf trying to read a link that just got deleted.

Fixes #575.
Diffstat (limited to 'src/nix-collect-garbage/nix-collect-garbage.cc')
-rw-r--r--src/nix-collect-garbage/nix-collect-garbage.cc7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/nix-collect-garbage/nix-collect-garbage.cc b/src/nix-collect-garbage/nix-collect-garbage.cc
index c8dc9099ca09..253c0b53755b 100644
--- a/src/nix-collect-garbage/nix-collect-garbage.cc
+++ b/src/nix-collect-garbage/nix-collect-garbage.cc
@@ -28,7 +28,12 @@ void removeOldGenerations(std::string dir)
         auto type = i.type == DT_UNKNOWN ? getFileType(path) : i.type;
 
         if (type == DT_LNK && canWrite) {
-            auto link = readLink(path);
+            std::string link;
+            try {
+                link = readLink(path);
+            } catch (SysError & e) {
+                if (e.errNo == ENOENT) continue;
+            }
             if (link.find("link") != string::npos) {
                 printMsg(lvlInfo, format("removing old generations of profile %1%") % path);
                 if (deleteOlderThan != "")