prettyprompt: show hostname and shortened pwd in terminal title

1 files changed, 43 insertions, 0 deletions

diff --git a/internal/prompt/term.go b/internal/prompt/term.go
new file mode 100644
index 0000000..dcf614e
--- /dev/null
+++ b/internal/prompt/term.go
@@ -0,0 +1,43 @@
+/*******************************************************************************
+*
+* Copyright 2021 Stefan Majewsky <majewsky@gmx.net>
+*
+* This program is free software: you can redistribute it and/or modify it under
+* the terms of the GNU General Public License as published by the Free Software
+* Foundation, either version 3 of the License, or (at your option) any later
+* version.
+*
+* This program is distributed in the hope that it will be useful, but WITHOUT ANY
+* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License along with
+* this program. If not, see <http://www.gnu.org/licenses/>.
+*
+*******************************************************************************/
+
+package prompt
+
+import (
+	"fmt"
+	"io"
+)
+
+//TerminalTitle contains all pieces that go into the terminal title.
+type TerminalTitle struct {
+	HostName string
+	Path     string
+}
+
+//PrintTo produces the VT command that sets the terminal title.
+func (t TerminalTitle) PrintTo(stdout io.Writer) {
+	//warn about missing pieces
+	if t.HostName == "" {
+		t.HostName = "N/A"
+	}
+	if t.Path == "" {
+		t.Path = "N/A"
+	}
+
+	fmt.Fprintf(stdout, "\x1B]0;\u23A3%s\u23A6 %s\x07", t.HostName, t.Path)
+}