From 33651685aa32561fc9f5174c139570e7232fd4de Mon Sep 17 00:00:00 2001
From: nekohepott <nekohepott@noreply.codeberg.org>
Date: Wed, 17 Jun 2026 04:16:27 +0300
Subject: [PATCH] reduce subprocess calls, more unified returns

---
 src/providers/systemstats.go | 33 ++++++++++++++++++++-------------
 1 file changed, 20 insertions(+), 13 deletions(-)

diff --git a/src/providers/systemstats.go b/src/providers/systemstats.go
index 3f996f0..39a3d2a 100644
--- a/src/providers/systemstats.go
+++ b/src/providers/systemstats.go
@@ -75,7 +75,7 @@ func GetRam() string {
 func GetCpu() string {
 	f, err := os.Open("/proc/cpuinfo")
 	if err != nil {
-		return "error"
+		return "unknown"
 	}
 
 	var cpu string
@@ -97,7 +97,7 @@ func GetCpu() string {
 func GetGpu() string {
 	out, err := exec.Command("sh", "-c", `lspci -mm | awk -F'"' '$2=="VGA compatible controller" || $2=="3D controller" || $2=="Display controller"'`).Output()
 	if err != nil || len(out) == 0 {
-		return "Unknown GPU"
+		return "unknown GPU"
 	}
 
 	lines := strings.Split(strings.TrimSpace(string(out)), "\n")
@@ -154,24 +154,31 @@ func cleanGpuString(raw string) string {
 }
 
 func GetKernel() string {
-	out, err := exec.Command("sh", "-c", "uname -r").Output()
+	out, err := os.ReadFile("/proc/version")
 	if err != nil {
-		return "Error getting kernel, how did we get there?"
+		return "unknown"
 	}
-	return strings.TrimSpace(string(out))
+	str := strings.TrimSpace(string(out))
+	str = strings.ReplaceAll(str, " version ", " ")
+	if idx := strings.Index(str, "("); idx != -1 {
+		str = str[:idx]
+	}
+	return strings.TrimSpace(str)
 }
 
 func GetHostname() string {
-	hostname, err := exec.Command("sh", "-c", "uname -n").Output()
+	hostname, err := os.ReadFile("/etc/hostname")
 	if err != nil {
-		return "Error getting hostname, awful"
+		return "unknown"
 	}
-	username, errUser := exec.Command("sh", "-c", "whoami").Output()
-	if errUser != nil {
-		return "Error getting username, nobody here but us chickens!"
+	username := os.Getenv("USER")
+	if username == "" {
+		username = os.Getenv("LOGNAME")
 	}
-	fullHostname := fmt.Sprintf("%s@%s", strings.TrimSpace(string(username)), strings.TrimSpace(string(hostname)))
-	return fullHostname
+	if username == "" {
+		return "unknown"
+	}
+	return fmt.Sprintf("%s@%s", username, strings.TrimSpace(string(hostname)))
 }
 
 func GetTerminal() string {
@@ -181,7 +188,7 @@ func GetTerminal() string {
 func GetDE() string {
 	de := os.Getenv("XDG_CURRENT_DESKTOP")
 	if de == "" {
-		return "Unknown or w/o GUI"
+		return "unknown or w/o GUI"
 	}
 	return strings.TrimSpace(de)
 }