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Print TERM and TERM_PROGRAM with --help

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Since they affect colors and scrolling defaults.
This commit is contained in:
Johan Walles 2024-02-10 19:00:10 +01:00
parent 1043d3feb7
commit c07c9a9942
1 changed files with 21 additions and 10 deletions
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31
moar.go
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@ -38,7 +38,7 @@ const defaultLightTheme = "tango"
var versionString = "Should be set when building, please use build.sh to build"
func renderUsageEnvVar(envVarName string, description string, colors twin.ColorType) string {
func renderLessTermcapEnvVar(envVarName string, description string, colors twin.ColorType) string {
value := os.Getenv(envVarName)
if len(value) == 0 {
return ""
@ -112,6 +112,17 @@ func renderPagerEnvVar(name string, colors twin.ColorType) string {
)
}
// If the environment variable is set, render it as APA=bepa indented two
// spaces, plus a newline at the end. Otherwise, return an empty string.
func renderPlainEnvVar(envVarName string) string {
value := os.Getenv(envVarName)
if value == "" {
return ""
}
return fmt.Sprintf(" %s=%s\n", envVarName, value)
}
func printCommandline(output io.Writer) {
fmt.Fprintln(output, "Commandline: moar", strings.Join(os.Args[1:], " "))
fmt.Fprintf(output, "Environment: MOAR=\"%v\"\n", os.Getenv("MOAR"))
@ -155,9 +166,9 @@ func printUsage(flagSet *flag.FlagSet, colors twin.ColorType) {
}
envSection := ""
envSection += renderUsageEnvVar("LESS_TERMCAP_md", "man page bold style", colors)
envSection += renderUsageEnvVar("LESS_TERMCAP_us", "man page underline style", colors)
envSection += renderUsageEnvVar("LESS_TERMCAP_so", "search hits and footer style", colors)
envSection += renderLessTermcapEnvVar("LESS_TERMCAP_md", "man page bold style", colors)
envSection += renderLessTermcapEnvVar("LESS_TERMCAP_us", "man page underline style", colors)
envSection += renderLessTermcapEnvVar("LESS_TERMCAP_so", "search hits and footer style", colors)
envSection += renderPagerEnvVar("PAGER", colors)
envVars := os.Environ()
@ -180,6 +191,12 @@ func printUsage(flagSet *flag.FlagSet, colors twin.ColorType) {
envSection += renderPagerEnvVar(name, colors)
}
envSection += renderPlainEnvVar("TERM")
envSection += renderPlainEnvVar("TERM_PROGRAM")
// Requested here: https://github.com/walles/moar/issues/170#issuecomment-1891154661
envSection += renderPlainEnvVar("MANROFFOPT")
if envSection != "" {
fmt.Println()
@ -187,12 +204,6 @@ func printUsage(flagSet *flag.FlagSet, colors twin.ColorType) {
fmt.Print(envSection)
}
// Requested here: https://github.com/walles/moar/issues/170#issuecomment-1891154661
manroffopt := os.Getenv("MANROFFOPT")
if manroffopt != "" {
fmt.Printf(" MANROFFOPT: %s\n", manroffopt)
}
absMoarPath, err := absLookPath(os.Args[0])
if err == nil {
absPagerValue, err := absLookPath(os.Getenv("PAGER"))