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-rw-r--r--third_party/nix/src/libmain/shared.hh158
1 files changed, 80 insertions, 78 deletions
diff --git a/third_party/nix/src/libmain/shared.hh b/third_party/nix/src/libmain/shared.hh
index 8e4861232db5..8f895109d7c5 100644
--- a/third_party/nix/src/libmain/shared.hh
+++ b/third_party/nix/src/libmain/shared.hh
@@ -1,126 +1,128 @@
 #pragma once
 
-#include "util.hh"
-#include "args.hh"
-#include "common-args.hh"
-
 #include <signal.h>
-
 #include <locale>
-
+#include "args.hh"
+#include "common-args.hh"
+#include "util.hh"
 
 namespace nix {
 
-class Exit : public std::exception
-{
-public:
-    int status;
-    Exit() : status(0) { }
-    Exit(int status) : status(status) { }
-    virtual ~Exit();
+class Exit : public std::exception {
+ public:
+  int status;
+  Exit() : status(0) {}
+  Exit(int status) : status(status) {}
+  virtual ~Exit();
 };
 
-int handleExceptions(const string & programName, std::function<void()> fun);
+int handleExceptions(const string& programName, std::function<void()> fun);
 
 /* Don't forget to call initPlugins() after settings are initialized! */
 void initNix();
 
-void parseCmdLine(int argc, char * * argv,
-    std::function<bool(Strings::iterator & arg, const Strings::iterator & end)> parseArg);
+void parseCmdLine(
+    int argc, char** argv,
+    std::function<bool(Strings::iterator& arg, const Strings::iterator& end)>
+        parseArg);
 
-void parseCmdLine(const string & programName, const Strings & args,
-    std::function<bool(Strings::iterator & arg, const Strings::iterator & end)> parseArg);
+void parseCmdLine(
+    const string& programName, const Strings& args,
+    std::function<bool(Strings::iterator& arg, const Strings::iterator& end)>
+        parseArg);
 
-void printVersion(const string & programName);
+void printVersion(const string& programName);
 
 /* Ugh.  No better place to put this. */
 void printGCWarning();
 
 class Store;
 
-void printMissing(ref<Store> store, const PathSet & paths, Verbosity lvl = lvlInfo);
-
-void printMissing(ref<Store> store, const PathSet & willBuild,
-    const PathSet & willSubstitute, const PathSet & unknown,
-    unsigned long long downloadSize, unsigned long long narSize, Verbosity lvl = lvlInfo);
-
-string getArg(const string & opt,
-    Strings::iterator & i, const Strings::iterator & end);
-
-template<class N> N getIntArg(const string & opt,
-    Strings::iterator & i, const Strings::iterator & end, bool allowUnit)
-{
-    ++i;
-    if (i == end) throw UsageError(format("'%1%' requires an argument") % opt);
-    string s = *i;
-    N multiplier = 1;
-    if (allowUnit && !s.empty()) {
-        char u = std::toupper(*s.rbegin());
-        if (std::isalpha(u)) {
-            if (u == 'K') multiplier = 1ULL << 10;
-            else if (u == 'M') multiplier = 1ULL << 20;
-            else if (u == 'G') multiplier = 1ULL << 30;
-            else if (u == 'T') multiplier = 1ULL << 40;
-            else throw UsageError(format("invalid unit specifier '%1%'") % u);
-            s.resize(s.size() - 1);
-        }
+void printMissing(ref<Store> store, const PathSet& paths,
+                  Verbosity lvl = lvlInfo);
+
+void printMissing(ref<Store> store, const PathSet& willBuild,
+                  const PathSet& willSubstitute, const PathSet& unknown,
+                  unsigned long long downloadSize, unsigned long long narSize,
+                  Verbosity lvl = lvlInfo);
+
+string getArg(const string& opt, Strings::iterator& i,
+              const Strings::iterator& end);
+
+template <class N>
+N getIntArg(const string& opt, Strings::iterator& i,
+            const Strings::iterator& end, bool allowUnit) {
+  ++i;
+  if (i == end) throw UsageError(format("'%1%' requires an argument") % opt);
+  string s = *i;
+  N multiplier = 1;
+  if (allowUnit && !s.empty()) {
+    char u = std::toupper(*s.rbegin());
+    if (std::isalpha(u)) {
+      if (u == 'K')
+        multiplier = 1ULL << 10;
+      else if (u == 'M')
+        multiplier = 1ULL << 20;
+      else if (u == 'G')
+        multiplier = 1ULL << 30;
+      else if (u == 'T')
+        multiplier = 1ULL << 40;
+      else
+        throw UsageError(format("invalid unit specifier '%1%'") % u);
+      s.resize(s.size() - 1);
     }
-    N n;
-    if (!string2Int(s, n))
-        throw UsageError(format("'%1%' requires an integer argument") % opt);
-    return n * multiplier;
+  }
+  N n;
+  if (!string2Int(s, n))
+    throw UsageError(format("'%1%' requires an integer argument") % opt);
+  return n * multiplier;
 }
 
+struct LegacyArgs : public MixCommonArgs {
+  std::function<bool(Strings::iterator& arg, const Strings::iterator& end)>
+      parseArg;
 
-struct LegacyArgs : public MixCommonArgs
-{
-    std::function<bool(Strings::iterator & arg, const Strings::iterator & end)> parseArg;
-
-    LegacyArgs(const std::string & programName,
-        std::function<bool(Strings::iterator & arg, const Strings::iterator & end)> parseArg);
+  LegacyArgs(
+      const std::string& programName,
+      std::function<bool(Strings::iterator& arg, const Strings::iterator& end)>
+          parseArg);
 
-    bool processFlag(Strings::iterator & pos, Strings::iterator end) override;
+  bool processFlag(Strings::iterator& pos, Strings::iterator end) override;
 
-    bool processArgs(const Strings & args, bool finish) override;
+  bool processArgs(const Strings& args, bool finish) override;
 };
 
-
 /* Show the manual page for the specified program. */
-void showManPage(const string & name);
+void showManPage(const string& name);
 
 /* The constructor of this class starts a pager if stdout is a
    terminal and $PAGER is set. Stdout is redirected to the pager. */
-class RunPager
-{
-public:
-    RunPager();
-    ~RunPager();
-
-private:
-    Pid pid;
+class RunPager {
+ public:
+  RunPager();
+  ~RunPager();
+
+ private:
+  Pid pid;
 };
 
 extern volatile ::sig_atomic_t blockInt;
 
-
 /* GC helpers. */
 
 string showBytes(unsigned long long bytes);
 
 struct GCResults;
 
-struct PrintFreed
-{
-    bool show;
-    const GCResults & results;
-    PrintFreed(bool show, const GCResults & results)
-        : show(show), results(results) { }
-    ~PrintFreed();
+struct PrintFreed {
+  bool show;
+  const GCResults& results;
+  PrintFreed(bool show, const GCResults& results)
+      : show(show), results(results) {}
+  ~PrintFreed();
 };
 
-
 /* Install a SIGSEGV handler to detect stack overflows. */
 void detectStackOverflow();
 
-
-}
+}  // namespace nix