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Attempt to better support fallback executable paths on Windows

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This commit is contained in:
Teoh Han Hui 2024-07-13 16:52:19 +08:00
parent d11f6f0a9f
commit e2d538df1f
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GPG key ID: D43E2BABAF97DCAE
2 changed files with 160 additions and 103 deletions
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79
crates/hyfetch/src/bin/hyfetch.rs
View file

@ -10,7 +10,7 @@ use hyfetch::color_util::{clear_screen, color, printc, ForegroundBackground, The
use hyfetch::models::Config;
#[cfg(windows)]
use hyfetch::neofetch_util::ensure_git_bash;
use hyfetch::neofetch_util::{self, ascii_size, get_distro_ascii, literal_input, ColorAlignment};
use hyfetch::neofetch_util::{self, ascii_size, get_distro_ascii, ColorAlignment};
use hyfetch::presets::{AssignLightness, ColorProfile, Preset};
use hyfetch::types::{AnsiMode, Backend, TerminalTheme};
use hyfetch::utils::get_cache_path;
@ -488,6 +488,83 @@ fn create_config(
todo!()
}
/// Asks the user to provide an input among a list of options.
fn literal_input<'a, S>(
prompt: S,
options: &[&'a str],
default: &str,
show_options: bool,
color_mode: AnsiMode,
) -> Result<&'a str>
where
S: AsRef<str>,
{
let prompt = prompt.as_ref();
if show_options {
let options_text = options
.iter()
.map(|&o| {
if o == default {
format!("&l&n{o}&L&N")
} else {
o.to_owned()
}
})
.collect::<Vec<_>>()
.join("|");
printc(format!("{prompt} ({options_text})"), color_mode)
.context("failed to print input prompt")?;
} else {
printc(format!("{prompt} (default: {default})"), color_mode)
.context("failed to print input prompt")?;
}
let find_selection = |sel: &str| {
if sel.is_empty() {
return None;
}
// Find exact match
if let Some(selected) = options.iter().find(|&&o| o.to_lowercase() == sel) {
return Some(selected);
}
// Find starting abbreviation
if let Some(selected) = options.iter().find(|&&o| o.to_lowercase().starts_with(sel)) {
return Some(selected);
}
None
};
loop {
let mut buf = String::new();
print!("> ");
io::stdout().flush()?;
io::stdin()
.read_line(&mut buf)
.context("failed to read line from input")?;
let selection = {
let selection = buf.trim_end_matches(&['\r', '\n']);
if selection.is_empty() {
default.to_owned()
} else {
selection.to_lowercase()
}
};
if let Some(selected) = find_selection(&selection) {
println!();
return Ok(selected);
} else {
let options_text = options.join("|");
println!("Invalid selection! {selection} is not one of {options_text}");
}
}
}
fn init_tracing_subsriber(debug_mode: bool) -> Result<()> {
use std::env;
use std::str::FromStr;

182
crates/hyfetch/src/neofetch_util.rs
View file

@ -1,6 +1,6 @@
use std::borrow::Cow;
use std::ffi::OsStr;
use std::io::{self, Write};
use std::io::Write;
use std::path::{Path, PathBuf};
use std::process::Command;
use std::sync::OnceLock;
@ -17,8 +17,7 @@ use tracing::debug;
use unicode_segmentation::UnicodeSegmentation;
use crate::color_util::{
color, printc, ForegroundBackground, NeofetchAsciiIndexedColor, PresetIndexedColor,
ToAnsiString,
color, ForegroundBackground, NeofetchAsciiIndexedColor, PresetIndexedColor, ToAnsiString,
};
use crate::distros::Distro;
use crate::presets::ColorProfile;
@ -286,83 +285,6 @@ impl ColorAlignment {
}
}
/// Asks the user to provide an input among a list of options.
pub fn literal_input<'a, S>(
prompt: S,
options: &[&'a str],
default: &str,
show_options: bool,
color_mode: AnsiMode,
) -> Result<&'a str>
where
S: AsRef<str>,
{
let prompt = prompt.as_ref();
if show_options {
let options_text = options
.iter()
.map(|&o| {
if o == default {
format!("&l&n{o}&L&N")
} else {
o.to_owned()
}
})
.collect::<Vec<_>>()
.join("|");
printc(format!("{prompt} ({options_text})"), color_mode)
.context("failed to print input prompt")?;
} else {
printc(format!("{prompt} (default: {default})"), color_mode)
.context("failed to print input prompt")?;
}
let find_selection = |sel: &str| {
if sel.is_empty() {
return None;
}
// Find exact match
if let Some(selected) = options.iter().find(|&&o| o.to_lowercase() == sel) {
return Some(selected);
}
// Find starting abbreviation
if let Some(selected) = options.iter().find(|&&o| o.to_lowercase().starts_with(sel)) {
return Some(selected);
}
None
};
loop {
let mut buf = String::new();
print!("> ");
io::stdout().flush()?;
io::stdin()
.read_line(&mut buf)
.context("failed to read line from input")?;
let selection = {
let selection = buf.trim_end_matches(&['\r', '\n']);
if selection.is_empty() {
default.to_owned()
} else {
selection.to_lowercase()
}
};
if let Some(selected) = find_selection(&selection) {
println!();
return Ok(selected);
} else {
let options_text = options.join("|");
println!("Invalid selection! {selection} is not one of {options_text}");
}
}
}
/// Gets the absolute path of the neofetch command.
pub fn neofetch_path() -> Result<Option<PathBuf>> {
if let Some(workspace_dir) = env::var_os("CARGO_WORKSPACE_DIR") {
@ -424,39 +346,91 @@ pub fn neofetch_path() -> Result<Option<PathBuf>> {
/// Returns the path to git bash.
#[cfg(windows)]
pub fn ensure_git_bash() -> Result<PathBuf> {
// Find `bash.exe` in `PATH`, but exclude the known bad paths
let git_bash_path = {
let bash_path = find_in_path("bash.exe")
.context("failed to check existence of `bash.exe` in `PATH`")?;
match bash_path {
Some(bash_path) if bash_path.ends_with(r"Git\usr\bin\bash.exe") => {
// See https://stackoverflow.com/a/58418686/1529493
None
},
Some(bash_path) => {
// See https://github.com/hykilpikonna/hyfetch/issues/233
let windir = env::var_os("windir")
.context("`windir` environment variable is not set or invalid")?;
if bash_path == Path::new(&windir).join(r"System32\bash.exe") {
None
} else {
Some(bash_path)
}
},
_ => bash_path,
}
};
// Detect any Git for Windows installation in `PATH`
let git_bash_path = if git_bash_path.is_some() {
git_bash_path
} else {
let git_path =
find_in_path("git.exe").context("failed to check existence of `git.exe` in `PATH`")?;
match git_path {
Some(git_path) if git_path.ends_with(r"Git\cmd\git.exe") => {
let bash_path = git_path
.parent()
.expect("parent should not be `None`")
.parent()
.expect("parent should not be `None`")
.join(r"bin\bash.exe");
if bash_path.is_file() {
Some(bash_path)
} else {
None
}
},
_ => None,
}
};
// Fall back to default Git for Windows installation paths
let git_bash_path = git_bash_path
.or_else(|| {
let program_files_dir = env::var_os("ProgramFiles")?;
let bash_path = Path::new(&program_files_dir).join(r"Git\bin\bash.exe");
if bash_path.is_file() {
Some(bash_path)
} else {
None
}
})
.or_else(|| {
let program_files_x86_dir = env::var_os("ProgramFiles(x86)")?;
let bash_path = Path::new(&program_files_x86_dir).join(r"Git\bin\bash.exe");
if bash_path.is_file() {
Some(bash_path)
} else {
None
}
});
// Bundled git bash
let git_bash_path = if git_bash_path.is_some() {
git_bash_path
} else {
let current_exe_path = env::current_exe()
.and_then(|p| p.normalize().map(|p| p.into()))
.context("failed to get path of current running executable")?;
let bash_path = current_exe_path
.parent()
.expect("parent should not be `None`")
.join("git/bin/bash.exe");
.join(r"git\bin\bash.exe");
if bash_path.is_file() {
Some(bash_path)
} else {
None
}
};
let git_bash_path = git_bash_path.or_else(|| {
let program_files_path = env::var_os("ProgramFiles")?;
let bash_path = Path::new(&program_files_path).join("Git/bin/bash.exe");
if bash_path.is_file() {
Some(bash_path)
} else {
None
}
});
let git_bash_path = git_bash_path.or_else(|| {
let program_files_x86_path = env::var_os("ProgramFiles(x86)")?;
let bash_path = Path::new(&program_files_x86_path).join("Git/bin/bash.exe");
if bash_path.is_file() {
Some(bash_path)
} else {
None
}
});
let git_bash_path = git_bash_path.context("failed to find git bash executable")?;
@ -756,6 +730,13 @@ fn run_neofetch(asc: String, args: Option<&Vec<String>>) -> Result<()> {
fn fastfetch_path() -> Result<Option<PathBuf>> {
let fastfetch_path =
find_in_path("fastfetch").context("failed to check existence of `fastfetch` in `PATH`")?;
#[cfg(windows)]
let fastfetch_path = if fastfetch_path.is_some() {
fastfetch_path
} else {
find_in_path("fastfetch.exe")
.context("failed to check existence of `fastfetch.exe` in `PATH`")?
};
// Fall back to `fastfetch` in directory of current executable
let current_exe_path = env::current_exe()
@ -782,7 +763,6 @@ fn fastfetch_path() -> Result<Option<PathBuf>> {
};
// Bundled fastfetch
#[cfg(unix)]
let fastfetch_path = if fastfetch_path.is_some() {
fastfetch_path
} else {
@ -801,7 +781,7 @@ fn fastfetch_path() -> Result<Option<PathBuf>> {
let fastfetch_path = if fastfetch_path.is_some() {
fastfetch_path
} else {
let fastfetch_path = current_exe_dir_path.join("fastfetch/fastfetch.exe");
let fastfetch_path = current_exe_dir_path.join(r"fastfetch\fastfetch.exe");
find_file(&fastfetch_path)
.with_context(|| format!("failed to check existence of file {fastfetch_path:?}"))?
};