add regenerate command

comitium.go

@@ -67,6 +67,18 @@ func main() {
 			fmt.Fprintf(os.Stderr, "Error writing feed: %v\n", err)
 			os.Exit(1)
 		}
+	case "regenerate":
+		argCheck(c.Args(), 0, false, "'regenerate' doesn't take an argument!")
+		err = core.Data.WriteSubs(dataPath)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "Error writing subscriptions: %v\n", err)
+			os.Exit(1)
+		}
+		err = core.Data.WriteFeed(dataPath)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "Error writing feed: %v\n", err)
+			os.Exit(1)
+		}
 	case "add":
 		argCheck(c.Args(), 1, true, "Please provide a URL to add.")
 

doc/comitium.1.scd

@@ -23,6 +23,10 @@ variety of feed formats:
 *refresh* [_FLAGS_]
 	Check for new updates to subscriptions and update aggregator page.
 
+*regenerate*
+	Will regenerate all the files created by comitium using cached entries
+	without fetching any feeds.
+
 *add* [_FLAGS_] <_LINK_> [_TITLE_]
 	Add a new subscription. _LINK_ is a link to the feed or watched URL.
 	_TITLE_ is an optional title for the feed, otherwise a title will be
@@ -30,6 +34,9 @@ variety of feed formats:
 	first heading on a page is used as a title. For ATOM, RSS, and JSON feeds,
 	the provided title is used. For a page being watched for changes, the URL
 	itself is used.
+	Also to note: when adding a new subscription, you *do not* need to run
+	*refresh* afterwards, *add* will automatically fetch the entries and
+	regenerate the .gmi and .json files.
 
 *remove* <_LINK_>
 	Remove a subscription at _LINK_.

flags.go

@@ -22,6 +22,7 @@ type command struct {
 // info about all the accepted commands
 var commandInfo = []command{
 	{"refresh", "Check for new updates to subscriptions"},
+	{"regenerate", "Regenerate all files generated by comitium without checking for new updates."},
 	{"add", "Add a new subscription"},
 	{"remove", "Remove a subscription"},
 	{"help", "Print usage information"},
@@ -30,6 +31,7 @@ var commandInfo = []command{
 
 var commands = map[string]*flag.FlagSet{
 	"refresh":    flag.NewFlagSet("refresh", flag.ExitOnError),
+	"regenerate": flag.NewFlagSet("regenerate", flag.ExitOnError),
 	"add":        flag.NewFlagSet("add", flag.ExitOnError),
 	"remove":     flag.NewFlagSet("remove", flag.ExitOnError),
 }
@@ -43,6 +45,7 @@ var (
 		`Watch a page instead of adding it as a feed.`,
 	)
 
+	// refresh
 	refreshWorkersFlag = commands["refresh"].IntP(
 		"num-workers", "n",
 		5, // 5 workers is a safe default