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package main
import (
"os"
pwl "github.com/justjanne/powerline-go/powerline"
)
func segmentShellVar(p *powerline) []pwl.Segment {
shellVarName := p.cfg.ShellVar
varContent, varExists := os.LookupEnv(shellVarName)
if !varExists {
if shellVarName != "" {
warn("Shell variable " + shellVarName + " does not exist.")
}
return []pwl.Segment{}
}
if varContent == "" {
if !p.cfg.ShellVarNoWarnEmpty {
warn("Shell variable " + shellVarName + " is empty.")
}
return []pwl.Segment{}
}
return []pwl.Segment{{
Name: "shell-var",
Content: varContent,
Foreground: p.theme.ShellVarFg,
Background: p.theme.ShellVarBg,
}}
}
|
