powerline: add shlvl

This commit is contained in:
Sean Buckley 2021-12-07 16:23:02 -05:00
parent 6c160a3ef4
commit fccb345a5d
2 changed files with 59 additions and 2 deletions

View file

@ -22,7 +22,7 @@ in
args = lib.mkOption {
type = lib.types.listOf lib.types.str;
default = [
"-modules=\${remote:+'user,host,'}nix-shell,git,jobs,cwd"
"-modules=\${remote:+'user,host,'}nix-shell,shlvl,git,jobs,cwd"
"-git-assume-unchanged-size 0"
"-theme ${theme}"
"-path-aliases '~/git=~/git'"
@ -38,7 +38,12 @@ in
config = lib.mkIf cfg.enable {
environment.systemPackages = [
(pkgs.powerline-go.overrideAttrs (old: { patches = [ ./bold.patch ]; }))
(pkgs.powerline-go.overrideAttrs (old: {
patches = [
./bold.patch
./shlvl.patch
];
}))
];
programs.bash.interactiveShellInit = ''

52
modules/cli/shlvl.patch Normal file
View file

@ -0,0 +1,52 @@
From 9fd668e356c3b89601109d6f1f53e5843af00af4 Mon Sep 17 00:00:00 2001
From: Sean Buckley <sean.bck@gmail.com>
Date: Tue, 7 Dec 2021 16:18:40 -0500
Subject: [PATCH] add segment-shlvl
---
main.go | 1 +
segment-shlvl.go | 23 +++++++++++++++++++++++
2 files changed, 24 insertions(+)
create mode 100644 segment-shlvl.go
diff --git a/main.go b/main.go
index 02f4a4a..2bd111e 100644
--- a/main.go
+++ b/main.go
@@ -97,6 +97,7 @@ var modules = map[string]func(*powerline) []pwl.Segment{
"root": segmentRoot,
"shell-var": segmentShellVar,
"shenv": segmentShEnv,
+ "shlvl": segmentShlvl,
"ssh": segmentSSH,
"termtitle": segmentTermTitle,
"terraform-workspace": segmentTerraformWorkspace,
diff --git a/segment-shlvl.go b/segment-shlvl.go
new file mode 100644
index 0000000..d8bba7d
--- /dev/null
+++ b/segment-shlvl.go
@@ -0,0 +1,23 @@
+package main
+
+import (
+ pwl "github.com/justjanne/powerline-go/powerline"
+ "os"
+ "strconv"
+)
+
+func segmentShlvl(p *powerline) []pwl.Segment {
+
+ level, _ := os.LookupEnv("SHLVL")
+ leveli, err := strconv.Atoi(level)
+
+ if err != nil || leveli < 1 {
+ return []pwl.Segment{}
+ }
+ return []pwl.Segment{{
+ Name: "shlvl",
+ Content: "\uE7A2 " + level,
+ Foreground: 231,
+ Background: 55,
+ }}
+}