neofetch 0.2.0

neofetch
Documentation 
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use std::{
    ffi::OsStr,
    fmt::Debug,
    process::{Command, Stdio},
};

pub fn exec<I, S>(cmd: S, args: I) -> Option<String>
where
    I: IntoIterator<Item = S> + Debug,
    S: AsRef<OsStr> + Debug,
{
    let output = Command::new(cmd)
        .args(args)
        .stdin(Stdio::null())
        .output()
        .ok()?;
    Some(String::from_utf8_lossy(&output.stdout).trim().to_string())
}

pub async fn exec_async<S, I>(cmd: S, args: I) -> Option<String>
where
    I: IntoIterator<Item = S> + Debug,
    S: AsRef<OsStr> + Debug,
{
    let output = tokio::process::Command::new(cmd)
        .args(args)
        .stdin(Stdio::null())
        .output()
        .await
        .ok()?;
    Some(String::from_utf8_lossy(&output.stdout).trim().to_string())
}

pub fn get_file_name(path: &str) -> Option<String> {
    let path = path.replace('\\', "/");
    let name = path.split('/').next_back()?.split('.').next()?.trim();
    Some(name.into())
}
pub fn get_pid_name(id: u32) -> Option<String> {
    std::fs::read_to_string(format!("/proc/{id}/comm").as_str())
        .ok()
        .map(|i| i.trim().to_string())
}

pub fn get_ppid(id: u32) -> Option<u32> {
    if let Some(ppid) = exec(
        "grep",
        ["-i", "-F", "PPid:", format!("/proc/{id}/status").as_str()],
    ) {
        let ppid = ppid.split(':').next_back()?.trim();
        let ppid: u32 = ppid.parse().ok()?;
        return Some(ppid);
    }
    None
}

#[cfg(target_os = "android")]
unsafe extern "C" {
    fn __system_property_get(name: *const libc::c_char, value: *mut libc::c_char) -> i32;
}

#[cfg(target_os = "android")]
pub fn get_property(property: &str) -> Option<String> {
    use std::ffi::{CStr, CString};
    use std::io;

    let prop_cstr = CString::new(property)
        .map_err(|e| io::Error::new(io::ErrorKind::InvalidInput, e))
        .ok()?;
    let mut buffer = [0i8; 92];

    let result = unsafe {
        __system_property_get(
            prop_cstr.as_ptr() as *mut u8,
            buffer.as_mut_ptr() as *mut u8,
        )
    };

    if result < 0 {
        return None;
    }

    let value = unsafe {
        CStr::from_ptr(buffer.as_ptr() as *const u8)
            .to_string_lossy()
            .into_owned()
    };

    if value.is_empty() {
        return None;
    }

    Some(value)
}

pub fn detect_cpu(name: &str) -> Option<String> {
    crate::mappings::CPU_MAPPINGS.iter().find_map(|i| {
        if i.0 == name {
            Some(i.1.to_string())
        } else {
            None
        }
    })
}

pub fn detect_locale(name: &str) -> Option<String> {
    crate::mappings::LOCALE_MAPPINGS.iter().find_map(|i| {
        if i.0 == name {
            Some(i.2.to_string())
        } else {
            None
        }
    })
}