Give activities a verbosity level again

And print them (separately from the progress bar) given sufficient -v
flags.

2 files changed, 15 insertions, 4 deletions

diff --git a/src/libutil/logging.cc b/src/libutil/logging.cc
index b103b902e..e38a46053 100644
--- a/src/libutil/logging.cc
+++ b/src/libutil/logging.cc
@@ -45,6 +45,13 @@ public:
 
         writeToStderr(prefix + (tty ? fs.s : filterANSIEscapes(fs.s)) + "\n");
     }
+
+    void startActivity(ActivityId act, Verbosity lvl, ActivityType type,
+        const std::string & s, const Fields & fields, ActivityId parent)
+    {
+        if (lvl <= verbosity && !s.empty())
+            log(lvl, s + "...");
+    }
 };
 
 Verbosity verbosity = lvlInfo;
@@ -76,11 +83,11 @@ Logger * makeDefaultLogger()
 
 std::atomic<uint64_t> nextId{(uint64_t) getpid() << 32};
 
-Activity::Activity(Logger & logger, ActivityType type,
+Activity::Activity(Logger & logger, Verbosity lvl, ActivityType type,
     const std::string & s, const Logger::Fields & fields, ActivityId parent)
     : logger(logger), id(nextId++)
 {
-    logger.startActivity(id, type, s, fields, parent);
+    logger.startActivity(id, lvl, type, s, fields, parent);
 }
 
 }
diff --git a/src/libutil/logging.hh b/src/libutil/logging.hh
index e3e7c8e6f..84fffa820 100644
--- a/src/libutil/logging.hh
+++ b/src/libutil/logging.hh
@@ -68,7 +68,7 @@ public:
 
     virtual void warn(const std::string & msg);
 
-    virtual void startActivity(ActivityId act, ActivityType type,
+    virtual void startActivity(ActivityId act, Verbosity lvl, ActivityType type,
         const std::string & s, const Fields & fields, ActivityId parent) { };
 
     virtual void stopActivity(ActivityId act) { };
@@ -84,9 +84,13 @@ struct Activity
 
     const ActivityId id;
 
-    Activity(Logger & logger, ActivityType type, const std::string & s = "",
+    Activity(Logger & logger, Verbosity lvl, ActivityType type, const std::string & s = "",
         const Logger::Fields & fields = {}, ActivityId parent = curActivity);
 
+    Activity(Logger & logger, ActivityType type,
+        const Logger::Fields & fields = {}, ActivityId parent = curActivity)
+        : Activity(logger, lvlError, type, "", fields, parent) { };
+
     Activity(const Activity & act) = delete;
 
     ~Activity()