more variable safe terminal check

README.md

@@ -1,4 +1,4 @@
-# Fetch tool written in Go with image support
+# Fetch tool for linux written in Go with image support
 
 ![Fetch image](assets/screenshot.png "fetch")
 
@@ -34,7 +34,7 @@ gogofetch -h
 
 config file is created at `~/.config/gogofetch/config.toml`, all parameters are described in config file.
 
-# NixOS
+# Nix
 credits to melvi for flake
 
 to build with nix:
@@ -43,7 +43,7 @@ nix build
 ```
 to run with nix:
 ```
-nix run
+nix run --refresh git+https://codeberg.org/nekohepott/goGoFetch
 ```
 to install with nixos:
 
@@ -71,11 +71,11 @@ to build:
 ```
 git clone https://codeberg.org/nekohepott/goGoFetch
 cd goGoFetch
-go build main.go
+go build -o gogofetch main.go
 ``` 
 and run:
 ```
-./main
+./gogofetch
 ```
 
 # Some screenshots

src/providers/systemstats.go

@@ -182,7 +182,20 @@ func GetHostname() string {
 }
 
 func GetTerminal() string {
-	return os.Getenv("TERM")
+	shellPID := os.Getppid()
+	out, err := exec.Command("ps", "-p", fmt.Sprint(shellPID), "-o", "ppid=").Output()
+	if err != nil {
+		return os.Getenv("TERM")
+	}
+
+	terminalPID := strings.TrimSpace(string(out))
+	nameOut, err := exec.Command("ps", "-p", terminalPID, "-o", "comm=").Output()
+	if err != nil {
+		return os.Getenv("TERM")
+	}
+	// those subprocess ARE NOT SLOWING DOWN THE FETCH MELVI, execution time is the same, you can check it
+
+	return strings.TrimSpace(string(nameOut))
 }
 
 func GetDE() string {