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Use ff for env var configuration #202

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Use ff for env var configuration #202

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1 change: 1 addition & 0 deletions go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ require (
github.com/muesli/mango v0.2.0
github.com/muesli/roff v0.1.0
github.com/muesli/termenv v0.13.0
github.com/peterbourgon/ff/v3 v3.3.0
golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab
golang.org/x/term v0.0.0-20210406210042-72f3dc4e9b72
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
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4 changes: 4 additions & 0 deletions go.sum
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Expand Up @@ -25,6 +25,9 @@ github.com/muesli/roff v0.1.0 h1:YD0lalCotmYuF5HhZliKWlIx7IEhiXeSfq7hNjFqGF8=
github.com/muesli/roff v0.1.0/go.mod h1:pjAHQM9hdUUwm/krAfrLGgJkXJ+YuhtsfZ42kieB2Ig=
github.com/muesli/termenv v0.13.0 h1:wK20DRpJdDX8b7Ek2QfhvqhRQFZ237RGRO0RQ/Iqdy0=
github.com/muesli/termenv v0.13.0/go.mod h1:sP1+uffeLaEYpyOTb8pLCUctGcGLnoFjSn4YJK5e2bc=
github.com/pelletier/go-toml v1.9.5/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
github.com/peterbourgon/ff/v3 v3.3.0 h1:PaKe7GW8orVFh8Unb5jNHS+JZBwWUMa2se0HM6/BI24=
github.com/peterbourgon/ff/v3 v3.3.0/go.mod h1:zjJVUhx+twciwfDl0zBcFzl4dW8axCRyXE/eKY9RztQ=
github.com/pkg/profile v1.6.0/go.mod h1:qBsxPvzyUincmltOk6iyRVxHYg4adc0OFOv72ZdLa18=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
Expand All @@ -44,6 +47,7 @@ golang.org/x/term v0.0.0-20210406210042-72f3dc4e9b72/go.mod h1:bj7SfCRtBDWHUb9sn
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
49 changes: 27 additions & 22 deletions main.go
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Expand Up @@ -11,6 +11,7 @@ import (
wildcard "github.com/IGLOU-EU/go-wildcard"
"github.com/jedib0t/go-pretty/v6/table"
"github.com/muesli/termenv"
"github.com/peterbourgon/ff/v3"
"golang.org/x/term"
)

Expand All @@ -29,27 +30,28 @@ var (
groups = []string{localDevice, networkDevice, fuseDevice, specialDevice, loopsDevice, bindsMount}
allowedValues = strings.Join(groups, ", ")

all = flag.Bool("all", false, "include pseudo, duplicate, inaccessible file systems")
hideDevices = flag.String("hide", "", "hide specific devices, separated with commas:\n"+allowedValues)
hideFs = flag.String("hide-fs", "", "hide specific filesystems, separated with commas")
hideMp = flag.String("hide-mp", "", "hide specific mount points, separated with commas (supports wildcards)")
onlyDevices = flag.String("only", "", "show only specific devices, separated with commas:\n"+allowedValues)
onlyFs = flag.String("only-fs", "", "only specific filesystems, separated with commas")
onlyMp = flag.String("only-mp", "", "only specific mount points, separated with commas (supports wildcards)")

output = flag.String("output", "", "output fields: "+strings.Join(columnIDs(), ", "))
sortBy = flag.String("sort", "mountpoint", "sort output by: "+strings.Join(columnIDs(), ", "))
width = flag.Uint("width", 0, "max output width")
themeOpt = flag.String("theme", defaultThemeName(), "color themes: dark, light, ansi")
styleOpt = flag.String("style", defaultStyleName(), "style: unicode, ascii")

availThreshold = flag.String("avail-threshold", "10G,1G", "specifies the coloring threshold (yellow, red) of the avail column, must be integer with optional SI prefixes")
usageThreshold = flag.String("usage-threshold", "0.5,0.9", "specifies the coloring threshold (yellow, red) of the usage bars as a floating point number from 0 to 1")

inodes = flag.Bool("inodes", false, "list inode information instead of block usage")
jsonOutput = flag.Bool("json", false, "output all devices in JSON format")
warns = flag.Bool("warnings", false, "output all warnings to STDERR")
version = flag.Bool("version", false, "display version")
fs = flag.NewFlagSet("duf", flag.ContinueOnError)
all = fs.Bool("all", false, "include pseudo, duplicate, inaccessible file systems")
hideDevices = fs.String("hide", "", "hide specific devices, separated with commas:\n"+allowedValues)
hideFs = fs.String("hide-fs", "", "hide specific filesystems, separated with commas")
hideMp = fs.String("hide-mp", "", "hide specific mount points, separated with commas (supports wildcards)")
onlyDevices = fs.String("only", "", "show only specific devices, separated with commas:\n"+allowedValues)
onlyFs = fs.String("only-fs", "", "only specific filesystems, separated with commas")
onlyMp = fs.String("only-mp", "", "only specific mount points, separated with commas (supports wildcards)")

output = fs.String("output", "", "output fields: "+strings.Join(columnIDs(), ", "))
sortBy = fs.String("sort", "mountpoint", "sort output by: "+strings.Join(columnIDs(), ", "))
width = fs.Uint("width", 0, "max output width")
themeOpt = fs.String("theme", defaultThemeName(), "color themes: dark, light, ansi")
styleOpt = fs.String("style", defaultStyleName(), "style: unicode, ascii")

availThreshold = fs.String("avail-threshold", "10G,1G", "specifies the coloring threshold (yellow, red) of the avail column, must be integer with optional SI prefixes")
usageThreshold = fs.String("usage-threshold", "0.5,0.9", "specifies the coloring threshold (yellow, red) of the usage bars as a floating point number from 0 to 1")

inodes = fs.Bool("inodes", false, "list inode information instead of block usage")
jsonOutput = fs.Bool("json", false, "output all devices in JSON format")
warns = fs.Bool("warnings", false, "output all warnings to STDERR")
version = fs.Bool("version", false, "display version")
)

// renderJSON encodes the JSON output and prints it.
Expand Down Expand Up @@ -143,7 +145,10 @@ func findInKey(str string, km map[string]struct{}) bool {
}

func main() {
flag.Parse()
if err := ff.Parse(fs, os.Args[1:], ff.WithEnvVarPrefix("DUF")); err != nil {
fmt.Fprintf(os.Stderr, "error: %v\n", err)
os.Exit(1)
}

if *version {
if len(CommitSHA) > 7 {
Expand Down