rename the options to mention it's a narinfo TTL as disk cache is used all...

rename the options to mention it's a narinfo TTL as disk cache is used all over the place for other operations

src/libstore/globals.hh

@@ -313,11 +313,11 @@ public:
     Setting<Strings> trustedUsers{this, {"root"}, "trusted-users",
         "Which users or groups are trusted to ask the daemon to do unsafe things."};
 
-    Setting<unsigned int> ttlNegativeDiskCache{this, 3600, "negative-disk-cache-ttl",
+    Setting<unsigned int> ttlNegativeNarInfoCache{this, 3600, "narinfo-cache-negative-ttl",
         "The TTL in seconds for negative lookups in the disk cache i.e binary cache lookups that "
         "return an invalid path result"};
 
-    Setting<unsigned int> ttlPositiveDiskCache{this, 30 * 24 * 3600, "positive-disk-cache-ttl",
+    Setting<unsigned int> ttlPositiveNarInfoCache{this, 30 * 24 * 3600, "narinfo-cache-positive-ttl",
         "The TTL in seconds for positive lookups in the disk cache i.e binary cache lookups that "
         "return a valid path result."};
 

src/libstore/nar-info-disk-cache.cc

@@ -113,8 +113,8 @@ public:
                 SQLiteStmt(state->db,
                     "delete from NARs where ((present = 0 and timestamp < ?) or (present = 1 and timestamp < ?))")
                     .use()
-                    (now - settings.ttlNegativeDiskCache)
-                    (now - settings.ttlPositiveDiskCache)
+                    (now - settings.ttlNegativeNarInfoCache)
+                    (now - settings.ttlPositiveNarInfoCache)
                     .exec();
 
                 debug("deleted %d entries from the NAR info disk cache", sqlite3_changes(state->db));
@@ -183,8 +183,8 @@ public:
             auto queryNAR(state->queryNAR.use()
                 (cache.id)
                 (hashPart)
-                (now - settings.ttlNegativeDiskCache)
-                (now - settings.ttlPositiveDiskCache));
+                (now - settings.ttlNegativeNarInfoCache)
+                (now - settings.ttlPositiveNarInfoCache));
 
             if (!queryNAR.next())
                 return {oUnknown, 0};