init: pristine aerc 0.20.0 source

lib/open.go

@@ -0,0 +1,55 @@
+package lib
+
+import (
+	"fmt"
+	"os/exec"
+	"runtime"
+	"strings"
+
+	"git.sr.ht/~rjarry/go-opt/v2"
+	"github.com/danwakefield/fnmatch"
+
+	"git.sr.ht/~rjarry/aerc/config"
+	"git.sr.ht/~rjarry/aerc/lib/log"
+)
+
+func XDGOpenMime(
+	uri string, mimeType string, args string,
+) error {
+	if len(args) == 0 {
+		// no explicit command provided, lookup opener from mime type
+		for _, o := range config.Openers {
+			if fnmatch.Match(o.Mime, mimeType, 0) {
+				args = o.Args
+				break
+			}
+		}
+	}
+	if len(args) == 0 {
+		// no opener defined in config, fallback to default
+		if runtime.GOOS == "darwin" {
+			args = "open"
+		} else {
+			args = "xdg-open"
+		}
+	}
+
+	// Escape URI special characters
+	uri = opt.QuoteArg(uri)
+	if strings.Contains(args, "{}") {
+		// found {} placeholder in args, replace with uri
+		args = strings.Replace(args, "{}", uri, 1)
+	} else {
+		// no {} placeholder in args, add uri at the end
+		args = args + " " + uri
+	}
+
+	log.Tracef("running command: %v", args)
+	cmd := exec.Command("sh", "-c", args)
+	out, err := cmd.CombinedOutput()
+	log.Debugf("command: %v exited. err=%v out=%s", args, err, out)
+	if err != nil {
+		return fmt.Errorf("%v: %w", args, err)
+	}
+	return nil
+}