first commit (and successful migration!) 🎉

main.go

@@ -0,0 +1,127 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"slices"
+)
+
+func main() {
+	if len(os.Args) == 1 || slices.Contains(os.Args, "-help") {
+		printHelp()
+		os.Exit(0)
+	}
+
+	var srcUser string
+	var destUser string
+	var password string
+	var pdsUrl string
+	var dryrun bool = false
+	var verbose bool = false
+
+	var importProfile bool = false
+	var importFollows bool = false
+
+	i := 1
+	for {
+		if i >= len(os.Args) { break }
+		if os.Args[i][0] != '-' {
+			fmt.Fprintf(os.Stderr, "unrecognised argument `%s`.\n", os.Args[i])
+			os.Exit(1)
+		}
+
+		getValue := func(i int) (int, string) {
+			if i + 1 >= len(os.Args) {
+				fmt.Fprintf(os.Stderr, "-%s requires a value.\n", os.Args[i])
+				os.Exit(1)
+			}
+			return i + 1, os.Args[i + 1]
+		}
+
+		switch os.Args[i][1:] {
+		case "from":
+			i, srcUser = getValue(i)
+		case "to":
+			i, destUser = getValue(i)
+		case "pass":
+			i, password = getValue(i)
+		case "pds":
+			i, pdsUrl = getValue(i)
+		case "dryrun":
+			dryrun = true
+		case "v":
+			verbose = true
+		case "profile":
+			importProfile = true
+		case "follows":
+			importFollows = true
+		}
+		i += 1
+	}
+
+	if srcUser == "" {
+		fmt.Fprintf(os.Stderr, "missing required argument -from.\n")
+		os.Exit(1)
+	}
+	if destUser == "" {
+		fmt.Fprintf(os.Stderr, "missing required argument -to.\n")
+		os.Exit(1)
+	}
+	if password == "" {
+		fmt.Fprintf(os.Stderr, "missing required argument -pass.\n")
+		os.Exit(1)
+	}
+	if pdsUrl == "" {
+		fmt.Fprintf(os.Stderr, "missing required argument -pds.\n")
+		os.Exit(1)
+	}
+
+	if !importProfile && !importFollows {
+		fmt.Fprintf(os.Stderr, "no action was specified.\n")
+		os.Exit(1)
+	}
+
+	session, err := CreateSession(pdsUrl, destUser, password)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "failed to create session: %v\n", err)
+		os.Exit(1)
+	}
+
+	if importProfile {
+		err := ImportProfile(session, pdsUrl, srcUser, dryrun, verbose)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "failed to import profile: %v\n", err)
+			os.Exit(1)
+		}
+	}
+	if importFollows {
+		err := ImportFollows(session, pdsUrl, srcUser, dryrun, verbose)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "failed to import follows: %v\n", err)
+			os.Exit(1)
+		}
+	}
+}
+
+func printHelp() {
+	fmt.Printf(
+`usage: %s <arguments...> <imports...>
+
+required arguments:
+	-from <handle>: the account to import follow records from.
+	-to <handle>: the account to import follow records to.
+	-pass <password>: the password of the `+"`to`"+` account.
+	-pds <pds-url>: the full https:// url of the `+"`to`"+` account's PDS.
+
+imports (at least one required):
+	-profile: imports the account profile, including avatar, banner, display name, and description.
+	-follows: imports the following list of the account.
+
+optional arguments:
+	-dryrun: does not import follow records; good for sanity testing!
+	-v: verbose output
+	-help: shows this help message.
+`,
+	os.Args[0],
+	)
+}