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+// file : build2/filesystem.txx -*- C++ -*-
+// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
+// license : MIT; see accompanying LICENSE file
+
+#include <build2/context> // work
+#include <build2/diagnostics>
+
+namespace build2
+{
+ template <typename T>
+ fs_status<butl::rmfile_status>
+ rmfile (const path& f, const T& t, uint16_t v)
+ {
+ using namespace butl;
+
+ // We don't want to print the command if we couldn't remove the file
+ // because it does not exist (just like we don't print the update command
+ // if the file is up to date). This makes the below code a bit ugly.
+ //
+ auto print = [&f, &t, v] ()
+ {
+ if (verb >= v)
+ {
+ if (verb >= 2)
+ text << "rm " << f;
+ else if (verb)
+ text << "rm " << t;
+ }
+ };
+
+ rmfile_status rs;
+
+ try
+ {
+ rs = try_rmfile (f);
+ }
+ catch (const system_error& e)
+ {
+ print ();
+ error << "unable to remove file " << f << ": " << e.what ();
+ throw failed ();
+ }
+
+ if (rs == rmfile_status::success)
+ print ();
+
+ return rs;
+ }
+
+ template <typename T>
+ fs_status<butl::rmdir_status>
+ rmdir (const dir_path& d, const T& t, uint16_t v)
+ {
+ using namespace butl;
+
+ bool w (work.sub (d)); // Don't try to remove working directory.
+ rmdir_status rs;
+
+ // We don't want to print the command if we couldn't remove the directory
+ // because it does not exist (just like we don't print mkdir if it already
+ // exists) or if it is not empty. This makes the below code a bit ugly.
+ //
+ auto print = [&d, &t, v] ()
+ {
+ if (verb >= v)
+ {
+ if (verb >= 2)
+ text << "rm " << d;
+ else if (verb)
+ text << "rm " << t;
+ }
+ };
+
+ try
+ {
+ rs = !w ? try_rmdir (d) : rmdir_status::not_empty;
+ }
+ catch (const system_error& e)
+ {
+ print ();
+ error << "unable to remove directory " << d << ": " << e.what ();
+ throw failed ();
+ }
+
+ switch (rs)
+ {
+ case rmdir_status::success:
+ {
+ print ();
+ break;
+ }
+ case rmdir_status::not_empty:
+ {
+ if (verb >= v && verb >= 2)
+ {
+ text << d << " is "
+ << (w ? "current working directory" : "not empty")
+ << ", not removing";
+ }
+ break;
+ }
+ case rmdir_status::not_exist:
+ break;
+ }
+
+ return rs;
+ }
+}