Remove dependency on bash, switch to new module system and simplify code

This commit is contained in:
2025-12-21 15:42:57 +02:00
parent 489e6e2143
commit eef69eed9a
25 changed files with 737 additions and 459 deletions
+96 -223
View File
@@ -3,258 +3,131 @@ package main
import (
"flag"
"fmt"
"log"
"os"
"os/exec"
"path"
"regexp"
"strconv"
"strings"
"time"
"gopkg.in/yaml.v3"
)
// Build-time variables
var systemConfigDir = "/etc/"
// Flag variables
var ShowModuleTimeTaken = false
var configPath = ""
var fetchScriptPath = ""
var TimeTaken = false
var config = StormfetchConfig{
Ascii: "auto",
FetchScript: "auto",
ShowFSType: false,
HiddenPartitions: make([]string, 0),
HiddenGPUS: make([]int, 0),
}
type StormfetchConfig struct {
Ascii string `yaml:"distro_ascii"`
DistroName string `yaml:"distro_name"`
FetchScript string `yaml:"fetch_script"`
AnsiiColors []int `yaml:"ansii_colors"`
ForceConfigAnsii bool `yaml:"force_config_ansii"`
ShowFSType bool `yaml:"show_fs_type"`
HiddenPartitions []string `yaml:"hidden_partitions"`
HiddenFilesystems []string `yaml:"hidden_filesystems"`
HiddenGPUS []int `yaml:"hidden_gpus"`
}
func main() {
readConfig()
readFlags()
runStormfetch()
parseFlags()
initializeModuleMap()
run()
}
func readConfig() {
// Get home directory
userConfigDir, _ := os.UserConfigDir()
// Find valid config directory
if _, err := os.Stat(path.Join(userConfigDir, "stormfetch/config.yaml")); err == nil {
configPath = path.Join(userConfigDir, "stormfetch/config.yaml")
} else if _, err := os.Stat(path.Join(systemConfigDir, "stormfetch/config.yaml")); err == nil {
configPath = path.Join(systemConfigDir, "stormfetch/config.yaml")
} else {
log.Fatalf("Config file not found: %s", err.Error())
}
// Parse config
bytes, err := os.ReadFile(configPath)
if err != nil {
log.Fatal(err)
}
err = yaml.Unmarshal(bytes, &config)
if err != nil {
log.Fatal(err)
}
if config.FetchScript == "" {
log.Fatalf("Fetch script path is empty")
} else if config.FetchScript != "auto" {
stat, err := os.Stat(config.FetchScript)
if err != nil {
log.Fatalf("Fetch script file not found: %s", err.Error())
} else if stat.IsDir() {
log.Fatalf("Fetch script path points to a directory")
}
}
if _, err := os.Stat(path.Join(userConfigDir, "stormfetch/fetch_script.sh")); err == nil {
fetchScriptPath = path.Join(userConfigDir, "stormfetch/fetch_script.sh")
} else if _, err := os.Stat(path.Join(systemConfigDir, "stormfetch/fetch_script.sh")); err == nil {
fetchScriptPath = path.Join(systemConfigDir, "stormfetch/fetch_script.sh")
} else {
log.Fatalf("Fetch script file not found: %s", err.Error())
}
}
func readFlags() {
func parseFlags() {
flag.StringVar(&config.Ascii, "ascii", config.Ascii, "Set distro ascii")
flag.StringVar(&config.DistroName, "distro-name", config.DistroName, "Set distro name")
flag.BoolVar(&TimeTaken, "time-taken", false, "Show time taken for fetched information")
flag.BoolVar(&ShowModuleTimeTaken, "time-taken", false, "Show time taken to execute each module")
flag.Parse()
}
func SetupFetchEnv(showTimeTaken bool) []string {
var env = make(map[string]string)
setVariable := func(key string, setter func() string) {
start := time.Now().UnixMilli()
env[key] = setter()
end := time.Now().UnixMilli()
if showTimeTaken {
fmt.Printf("Setting '%s' took %d milliseconds\n", key, end-start)
}
}
setVariable("PACKAGES", func() string { return GetInstalledPackages() })
setVariable("DISTRO_LONG_NAME", func() string { return GetDistroInfo().LongName })
setVariable("DISTRO_SHORT_NAME", func() string { return GetDistroInfo().ShortName })
setVariable("CPU_MODEL", func() string { return GetCPUModel() })
setVariable("MOTHERBOARD", func() string { return GetMotherboardModel() })
setVariable("CPU_THREADS", func() string { return strconv.Itoa(GetCPUThreads()) })
start := time.Now().UnixMilli()
memory := GetMemoryInfo()
end := time.Now().UnixMilli()
if showTimeTaken {
fmt.Printf("Setting '%s' took %d milliseconds\n", "MEM_*", end-start)
}
if memory != nil {
env["MEM_TOTAL"] = strconv.Itoa(memory.MemTotal)
env["MEM_USED"] = strconv.Itoa(memory.MemTotal - memory.MemAvailable)
env["MEM_FREE"] = strconv.Itoa(memory.MemAvailable)
}
start = time.Now().UnixMilli()
partitions := GetMountedPartitions(config.HiddenPartitions, config.HiddenFilesystems)
end = time.Now().UnixMilli()
if showTimeTaken {
fmt.Printf("Setting '%s' took %d milliseconds\n", "PARTITION_*", end-start)
}
if len(partitions) != 0 {
env["MOUNTED_PARTITIONS"] = strconv.Itoa(len(partitions))
for i, part := range partitions {
env["PARTITION"+strconv.Itoa(i+1)+"_DEVICE"] = part.Device
env["PARTITION"+strconv.Itoa(i+1)+"_MOUNTPOINT"] = part.MountPoint
if part.Label != "" {
env["PARTITION"+strconv.Itoa(i+1)+"_LABEL"] = part.Label
}
if part.FileystemType != "" && config.ShowFSType {
env["PARTITION"+strconv.Itoa(i+1)+"_TYPE"] = part.FileystemType
}
env["PARTITION"+strconv.Itoa(i+1)+"_TOTAL_SIZE"] = FormatBytes(part.TotalSize)
env["PARTITION"+strconv.Itoa(i+1)+"_USED_SIZE"] = FormatBytes(part.UsedSize)
env["PARTITION"+strconv.Itoa(i+1)+"_FREE_SIZE"] = FormatBytes(part.FreeSize)
}
}
setVariable("DE_WM", func() string { return GetDEWM() })
setVariable("USER_SHELL", func() string { return GetShell() })
setVariable("DISPLAY_PROTOCOL", func() string { return GetDisplayProtocol() })
setVariable("LIBC", func() string { return GetLibc() })
setVariable("INIT_SYSTEM", func() string { return GetInitSystem() })
setVariable("LOCAL_IPV4", func() string { return GetLocalIP() })
start = time.Now().UnixMilli()
monitors := GetMonitorResolution()
end = time.Now().UnixMilli()
if showTimeTaken {
fmt.Printf("Setting '%s' took %d milliseconds\n", "MONITOR_*", end-start)
}
if len(monitors) != 0 {
env["CONNECTED_MONITORS"] = strconv.Itoa(len(monitors))
for i, monitor := range monitors {
env["MONITOR"+strconv.Itoa(i+1)] = monitor
}
}
start = time.Now().UnixMilli()
gpus := GetGPUModels()
end = time.Now().UnixMilli()
if showTimeTaken {
fmt.Printf("Setting '%s' took %d milliseconds\n", "GPU_*", end-start)
}
if len(gpus) != 0 {
env["CONNECTED_GPUS"] = strconv.Itoa(len(gpus))
for i, gpu := range gpus {
if gpu == "" {
continue
}
env["GPU"+strconv.Itoa(i+1)] = gpu
}
}
var ret = make([]string, len(env))
i := 0
for key, value := range env {
ret[i] = fmt.Sprintf("%s=%s", key, value)
i++
}
return ret
}
func runStormfetch() {
// Fetch ascii art
func run() {
// Fetch ascii art and remove header
asciiArt := GetDistroAsciiArt()
// Setup color map
colorMap := setupColorMap(asciiArt)
if len(colorMap) > 0 {
asciiArt = os.Expand(asciiArt, func(s string) string {
return colorMap[s]
})
asciiArtHeader := ""
if strings.HasPrefix(asciiArt, "#/") {
asciiArtHeader = strings.SplitN(asciiArt, "\n", 2)[0]
asciiArt = strings.SplitN(asciiArt, "\n", 2)[1]
}
asciiArtNoColor := asciiArt
asciiSplit := strings.Split(asciiArt, "\n")
asciiNoColor := StripAnsii(asciiArt)
// Execute fetch script
cmd := exec.Command("/bin/bash", fetchScriptPath)
cmd.Dir = path.Dir(fetchScriptPath)
cmd.Env = os.Environ()
cmd.Env = append(cmd.Env, SetupFetchEnv(TimeTaken)...)
cmd.Env = append(cmd.Env, "C0=\033[0m")
// Setup color map and replace colors in ascii art
colorMap := setupColorMap(asciiArtHeader)
for key, value := range colorMap {
cmd.Env = append(cmd.Env, fmt.Sprintf("%s=%s", key, value))
asciiArt = strings.ReplaceAll(asciiArt, "%"+strconv.Itoa(key), value)
asciiArtNoColor = strings.ReplaceAll(asciiArtNoColor, "%"+strconv.Itoa(key), "")
}
out, err := cmd.Output()
if err != nil {
log.Fatalf("Error: Could not run fetch script: %s", err)
// Execute modules in order
modulesText := make([]string, 0)
for _, moduleConfig := range config.Modules {
module, ok := Modules[moduleConfig.Name]
if !ok {
continue
}
// Set module config options
if moduleConfig.Format != "" {
module.Format = moduleConfig.Format
}
if moduleConfig.Data != nil {
module.Data = moduleConfig.Data
}
// Execute module
start := time.Now().UnixMilli()
text := module.Execute(module)
end := time.Now().UnixMilli()
// Show time taken
if ShowModuleTimeTaken {
fmt.Printf("Module '%s' took %d milliseconds\n", module.Name, end-start)
}
// Replace colors in returned string
textNoColor := text
for key, value := range colorMap {
text = strings.ReplaceAll(text, "%"+strconv.Itoa(key), value)
textNoColor = strings.ReplaceAll(textNoColor, "%"+strconv.Itoa(key), value)
}
// Continue if text length is 0
if len(textNoColor) == 0 {
continue
}
// Add text to slice
for _, line := range strings.Split(strings.TrimSpace(text), "\n") {
modulesText = append(modulesText, line)
}
}
// Print Distro Information
// Get longest line in ascii art
maxWidth := 0
for _, line := range strings.Split(asciiNoColor, "\n") {
for _, line := range strings.Split(asciiArtNoColor, "\n") {
if len(line) > maxWidth {
maxWidth = len(line)
}
}
final := ""
y := len(asciiSplit)
if len(asciiSplit) < len(strings.Split(string(out), "\n")) {
y = len(strings.Split(string(out), "\n"))
// Split ascii art into each lien
asciiArtSplit := strings.Split(asciiArt, "\n")
asciiArtNoColorSplit := strings.Split(asciiArtNoColor, "\n")
// Get amount of lines to print
lineCount := max(len(asciiArtSplit), len(modulesText))
// Combine ascii art and module text
final := strings.Builder{}
for i := range lineCount {
// Write ascii art
currentLineLength := 0
if i < len(asciiArtSplit) {
final.WriteString(asciiArtSplit[i])
currentLineLength += len(asciiArtNoColorSplit[i])
}
// Write blank space between ascii art and module text
for i := currentLineLength; i < maxWidth+3; i++ {
final.WriteString(" ")
}
// Write module text
if i < len(modulesText) {
final.WriteString(modulesText[i])
}
final.WriteString("\n")
}
for lineIndex := 0; lineIndex < y; lineIndex++ {
line := ""
for i := 0; i < maxWidth+5; i++ {
line = line + " "
}
lastAsciiColor := ""
if lineIndex < len(asciiSplit) {
line = asciiSplit[lineIndex]
lineVisibleLength := len(strings.Split(asciiNoColor, "\n")[lineIndex])
if lineIndex != 0 {
r := regexp.MustCompile("\033[38;5;[0-9]+m")
matches := r.FindAllString(asciiSplit[lineIndex-1], -1)
if len(matches) != 0 {
lastAsciiColor = r.FindAllString(asciiSplit[lineIndex-1], -1)[len(matches)-1]
}
}
for i := lineVisibleLength; i < maxWidth+5; i++ {
line = line + " "
}
asciiSplit[lineIndex] = lastAsciiColor + line
}
str := string(out)
if lineIndex < len(strings.Split(str, "\n")) {
line = line + colorMap["C0"] + strings.Split(str, "\n")[lineIndex]
}
final += lastAsciiColor + line + "\n"
}
final = strings.TrimRight(final, "\n\t ")
fmt.Println(final + "\033[0m")
fmt.Println(strings.TrimRight(final.String(), "\n") + "\033[0m")
}