Add a --info option

CHANGELOG

@@ -5,6 +5,7 @@ innoextract 1.7 (TDB)
  - Added support for encrypted installers with the --password and --password-file options
  - Added a --show-password option to print password check information
  - Added a --check-password option to abort if the provided password does not match the stored checksum
+ - Added a --info convenience option to print information about the installer
  - Fixed building in paths that contain regex expressions
  - Fixed case-sensitivity in parent directory when creating subdirectories
  - Fixed .bin slice file names used with Inno Setup versions older than 4.1.7

doc/innoextract.1

@@ -34,6 +34,7 @@ Here is a short summary of the options available in innoextract. Please refer to
  \-t \-\-test               Only verify checksums, don't write anything
  \-e \-\-extract            Extract files (default action)
  \-l \-\-list               Only list files, don't write anything
+ \-i \-\-info               Print information about the installer
     \-\-list\-languages     List languages supported by the installer
     \-\-gog\-game\-id        Determine the GOG.com game ID for this installer
     \-\-show\-password      Show password check information
@@ -174,6 +175,13 @@ The expression is always matched against one or more full path components. Filte
 
 The \fB\-\-include\fP option may be repeated in order allow files matching against one of multiple patterns. If \fB\-\-include\fP is not used, all files are processed.
 .TP
+\fB\-i\fP \fB\-\-info\fP
+This is a convenience option to enable all actions that print information about the installer.
+
+Scrips should not rely on the output format with this option and should instead enable the individual actions instead.
+
+Currently this option enables \fB\-\-list\-languages\fP, \fB\-\-gog\-game\-id\fP and \fB\-\-show\-password\fP.
+.TP
 \fB\-\-language\fP \fILANG\fP
 Extract only language-independent files and files for the given language. By default all files are extracted.
 

src/cli/main.cpp

@@ -133,6 +133,7 @@ int main(int argc, char * argv[]) {
 		("test,t", "Only verify checksums, don't write anything")
 		("extract,e", "Extract files (default action)")
 		("list,l", "Only list files, don't write anything")
+		("info,i", "Print information about the installer")
 		("list-languages", "List languages supported by the installer")
 		("gog-game-id", "Determine the installer's GOG.com game ID")
 		("show-password", "Show password check information")
@@ -252,6 +253,11 @@ int main(int argc, char * argv[]) {
 	o.gog_game_id = (options.count("gog-game-id") != 0);
 	o.show_password = (options.count("show-password") != 0);
 	o.check_password = (options.count("check-password") != 0);
+	if(options.count("info") != 0) {
+		o.list_languages = true;
+		o.gog_game_id = true;
+		o.show_password = true;
+	}
 	bool explicit_action = o.list || o.test || o.extract || o.list_languages
 	                       || o.gog_game_id || o.show_password || o.check_password;
 	if(!explicit_action) {