Add --hints option to dcpomatic2_cli (#2468).

diff --git a/src/tools/dcpomatic_cli.cc b/src/tools/dcpomatic_cli.cc
index 502446a3317a3dd78245105f98d49bbfbc13839a..f4359ce86ddb3248b10782bee531608bd3bb7393 100644 (file)
--- a/src/tools/dcpomatic_cli.cc
+++ b/src/tools/dcpomatic_cli.cc
@@ -28,6 +28,7 @@
 #include "lib/ffmpeg_encoder.h"
 #include "lib/film.h"
 #include "lib/filter.h"
+#include "lib/hints.h"
 #include "lib/job_manager.h"
 #include "lib/json_server.h"
 #include "lib/log.h"
@@ -77,6 +78,7 @@ help (string n)
             << "      --no-check                    don't check project's content files for changes before making the DCP\n"
             << "      --export-format <format>      export project to a file, rather than making a DCP: specify mov or mp4\n"
             << "      --export-filename <filename>  filename to export to with --export-format\n"
+            << "      --hints                       show hints and stop if any are given\n"
             << "\n"
             << "<FILM> is the film directory.\n";
 }
@@ -270,6 +272,7 @@ main (int argc, char* argv[])
        bool check = true;
        optional<string> export_format;
        optional<boost::filesystem::path> export_filename;
+       bool hints = false;
 
        int option_index = 0;
        while (true) {
@@ -291,10 +294,11 @@ main (int argc, char* argv[])
                        { "no-check", no_argument, 0, 'B' },
                        { "export-format", required_argument, 0, 'C' },
                        { "export-filename", required_argument, 0, 'D' },
+                       { "hints", no_argument, 0, 'E' },
                        { 0, 0, 0, 0 }
                };
 
-               int c = getopt_long (argc, argv, "vhfnrt:j:kAs:ldc:BC:D:", long_options, &option_index);
+               int c = getopt_long (argc, argv, "vhfnrt:j:kAs:ldc:BC:D:E", long_options, &option_index);
 
                if (c == -1) {
                        break;
@@ -350,6 +354,9 @@ main (int argc, char* argv[])
                case 'D':
                        export_filename = optarg;
                        break;
+               case 'E':
+                       hints = true;
+                       break;
                }
        }
 
@@ -442,6 +449,49 @@ main (int argc, char* argv[])
                }
        }
 
+       if (!export_format && hints) {
+               string const prefix = "Checking project for hints";
+               bool pulse_phase = false;
+               vector<string> hints;
+               bool finished = false;
+
+               Hints hint_finder(film);
+               hint_finder.Progress.connect([prefix](string progress) {
+                                            std::cout << UP_ONE_LINE_AND_ERASE << prefix << ": " << progress << "\n";
+                                            std::cout.flush();
+                                            });
+               hint_finder.Pulse.connect([prefix, &pulse_phase]() {
+                                         std::cout << UP_ONE_LINE_AND_ERASE << prefix << ": " << (pulse_phase ? "X" : "x") << "\n";
+                                         std::cout.flush();
+                                         pulse_phase = !pulse_phase;
+                                         });
+               hint_finder.Hint.connect([&hints](string hint) {
+                                        hints.push_back(hint);
+                                        });
+               hint_finder.Finished.connect([&finished]() {
+                                            finished = true;
+                                            });
+
+               std::cout << prefix << ":\n";
+               std::cout.flush();
+
+               hint_finder.start();
+               while (!finished) {
+                       signal_manager->ui_idle();
+                       dcpomatic_sleep_milliseconds(200);
+               }
+
+               std::cout << UP_ONE_LINE_AND_ERASE;
+
+               if (!hints.empty()) {
+                       std::cout << "Hints:\n\n";
+                       for (auto hint: hints) {
+                               std::cout << word_wrap("* " + hint, 70) << "\n";
+                       }
+                       exit(EXIT_FAILURE);
+               }
+       }
+
        if (progress) {
                if (export_format) {
                        cout << "\nExporting " << film->name() << "\n";