Add Windows and Powershell support

Cargo.toml

@@ -21,10 +21,9 @@ csv = "1"
 humantime = "2.1"
 directories-next = "2.0"
 itertools = "0.10"
-libc = "0.2"
 rand = "0.8"
+path-absolutize = "3.0.13"
 regex = { version = "1", default-features = false, features = ["perf", "std"] }
-relative-path = "1.7"
 shellexpand = "2.1"
 unicode-segmentation = "1.9"
 
@@ -36,11 +35,16 @@ features = ["functions", "unlock_notify"]
 version = "0.26"
 features = ["use-dev-tty"]
 
-
 [dependencies.clap]
 version = "4"
 features = ["derive"]
 
+[target.'cfg(not(windows))'.dependencies]
+libc = "0.2"
+
+[target.'cfg(windows)'.dependencies]
+autopilot = {git="https://github.com/autopilot-rs/autopilot-rs"}
+
 [features]
 default = ["sqlite-bundled"]
 sqlite-bundled = ["rusqlite/bundled"]

mcfly.ps1

@@ -0,0 +1,115 @@
+#!/usr/bin/env pwsh
+
+$null = New-Module mcfly {
+    # We need PSReadLine for a number of capabilities
+    if ($null -eq (Get-Module -Name PSReadLine)) {
+        Write-Host "Installing PSReadLine as McFly dependency"
+        Install-Module PSReadLine
+    }
+
+    # Get history file and make a dummy file for psreadline (hopefully after it has loaded the real history file to its in memory history)
+    $env:HISTFILE = $null -eq $env:HISTFILE -or "" -eq $env:HISTFILE ? (Get-PSReadLineOption).HistorySavePath : $env:HISTFILE;
+    $psreadline_dummy = New-TemporaryFile
+    Set-PSReadLineOption -HistorySavePath $psreadline_dummy.FullName
+
+
+    $fileExists = Test-Path -path $env:HISTFILE
+    if (-not $fileExists) {
+        Write-Host "McFly: ${env:HISTFILE} does not exist or is not readable. Please fix this or set HISTFILE to something else before using McFly.";
+        return 1;
+    }
+
+    # MCFLY_SESSION_ID is used by McFly internally to keep track of the commands from a particular terminal session.
+    $MCFLY_SESSION_ID = new-guid
+    $env:MCFLY_SESSION_ID = $MCFLY_SESSION_ID
+
+    $env:MCFLY_HISTORY = New-TemporaryFile
+    Get-Content $env:HISTFILE | Select-Object -Last 100 | Set-Content $env:MCFLY_HISTORY
+
+    <#
+    .SYNOPSIS
+    Cmdlet to run McFly
+
+    .PARAMETER CommandToComplete
+    The command to complete
+
+    .EXAMPLE
+    Invoke-McFly -CommandToComplete "cargo bu"
+    #>
+    function Invoke-McFly {
+        Param([string]$CommandToComplete)
+        $lastExitTmp = $LASTEXITCODE
+        $tempFile = New-TemporaryFile
+        Start-Process -FilePath '::MCFLY::' -ArgumentList "search", "$CommandToComplete", -o, "$tempFile" -NoNewWindow -Wait
+        foreach($line in Get-Content $tempFile) {
+            $key, $value = $line -split ' ', 2
+            if ("mode" -eq $key) {
+                $mode = $value
+            }
+            if ("commandline" -eq $key) {
+                $commandline = $value
+            }
+        }
+        if(-not ($null -eq $commandline)) {
+            [Microsoft.PowerShell.PSConsoleReadLine]::DeleteLine()
+            [Microsoft.PowerShell.PSConsoleReadline]::Insert($commandline)
+            if("run" -eq $mode) {
+                [Microsoft.PowerShell.PSConsoleReadline]::AcceptLine()
+            }
+        }
+        Remove-Item $tempFile
+        $LASTEXITCODE = $lastExitTmp
+    }
+
+    <#
+    .SYNOPSIS
+    Add a command to McFly's history.
+
+    .PARAMETER Command
+    The string of the command to add to McFly's history
+
+    .PARAMETER ExitCode
+    The exit code of the command to add
+
+    .EXAMPLE
+    Add-CommandToMcFly -Command "cargo build"
+    #>
+    function Add-CommandToMcFly {
+        Param (
+            [string] $Command,
+            [int] $ExitCode
+        )
+        $ExitCode = $ExitCode ?? 0;
+        $Command | Out-File -FilePath $env:MCFLY_HISTORY -Append
+        Start-Process -FilePath '::MCFLY::' -ArgumentList add, --exit, $ExitCode, --append-to-histfile, $env:HISTFILE -NoNewWindow | Write-Host
+    }
+
+    # We need to make sure we call out AddToHistoryHandler right after each command is called
+    Set-PSReadLineOption -HistorySaveStyle SaveIncrementally
+
+    Set-PSReadLineOption -PredictionSource HistoryAndPlugin
+
+    Set-PSReadLineOption -AddToHistoryHandler {
+        Param([string]$Command)
+        $lastExitTmp = $LASTEXITCODE
+        $Command = $Command.Trim();
+        # PSReadLine executes this before the command even runs, so we don't know its exit code - assume 0
+        Add-CommandToMcFly -Command $Command -ExitCode 0
+        $LASTEXITCODE = $lastExitTmp
+        # Tell PSReadLine to save the command to their in-memory history (and also the dummy file)
+        return $true
+    }
+
+    Set-PSReadLineKeyHandler -Chord "Ctrl+r" -ScriptBlock {
+        $line = $null
+        $cursor = $null
+        [Microsoft.PowerShell.PSConsoleReadline]::GetBufferState([ref]$line, [ref]$cursor)
+        "#mcfly: $line" | Out-File -FilePath $env:MCFLY_HISTORY -Append
+        Invoke-McFly -CommandToComplete $line
+    }
+
+    Export-ModuleMember -Function @(
+        "Invoke-McFly"
+        "Add-CommandToMcFly"
+    )
+}

src/cli.rs

@@ -124,6 +124,7 @@ pub enum InitMode {
     Bash,
     Zsh,
     Fish,
+    Powershell,
 }
 
 impl Cli {

src/fake_typer.rs

@@ -1,11 +1,13 @@
+#[cfg(not(windows))]
 use libc;
-use std::convert::TryInto;
 
 // Should we be using https://docs.rs/libc/0.2.44/libc/fn.ioctl.html instead?
+#[cfg(not(windows))]
 extern "C" {
     pub fn ioctl(fd: libc::c_int, request: libc::c_ulong, arg: ...) -> libc::c_int;
 }
 
+#[cfg(not(windows))]
 #[allow(clippy::useless_conversion)]
 pub fn use_tiocsti(string: &str) {
     for byte in string.as_bytes() {
@@ -15,3 +17,8 @@ pub fn use_tiocsti(string: &str) {
         }
     }
 }
+
+#[cfg(windows)]
+pub fn use_tiocsti(string: &str) {
+    autopilot::key::type_string(string, &[], 0.0, 0.0);
+}

src/init.rs

@@ -1,4 +1,5 @@
 use super::settings::InitMode;
+use std::env;
 
 pub struct Init {}
 
@@ -14,6 +15,9 @@ impl Init {
             InitMode::Fish => {
                 Init::init_fish();
             }
+            InitMode::Powershell => {
+                Init::init_pwsh();
+            }
         }
         Self {}
     }
@@ -29,4 +33,9 @@ impl Init {
         let script = include_str!("../mcfly.fish");
         print!("{}", script);
     }
+    pub fn init_pwsh() {
+        let script = include_str!("../mcfly.ps1")
+            .replace("::MCFLY::", env::current_exe().unwrap().to_str().unwrap());
+        print!("{}", script);
+    }
 }

src/interface.rs

@@ -8,7 +8,7 @@ use crate::settings::{InterfaceView, KeyScheme, ResultFilter};
 use crate::settings::{ResultSort, Settings};
 use chrono::{Duration, TimeZone, Utc};
 use crossterm::event::KeyCode::Char;
-use crossterm::event::{read, Event, KeyCode, KeyEvent, KeyModifiers};
+use crossterm::event::{read, Event, KeyCode, KeyEvent, KeyEventKind, KeyModifiers};
 use crossterm::style::{Color, Print, SetBackgroundColor, SetForegroundColor};
 use crossterm::terminal::{self, LeaveAlternateScreen};
 use crossterm::terminal::{Clear, ClearType, EnterAlternateScreen};
@@ -448,7 +448,6 @@ impl<'a> Interface<'a> {
         screen.flush().unwrap();
 
         loop {
-            terminal::enable_raw_mode().unwrap();
             let event =
                 read().unwrap_or_else(|e| panic!("McFly error: failed to read input {:?}", &e));
             self.debug_cursor(&mut screen);
@@ -511,6 +510,9 @@ impl<'a> Interface<'a> {
     }
 
     fn select_with_emacs_key_scheme(&mut self, event: KeyEvent) -> bool {
+        if event.kind != KeyEventKind::Press {
+            return false;
+        }
         match event {
             KeyEvent {
                 code: KeyCode::Enter,

src/path_update_helpers.rs

@@ -1,32 +1,17 @@
-use relative_path::RelativePath;
-use std::env;
-use std::path::{Path, PathBuf};
+use crate::settings::pwd;
+use path_absolutize::*;
+use std::path::Path;
 use unicode_segmentation::UnicodeSegmentation;
 
 pub fn normalize_path(incoming_path: &str) -> String {
-    let expanded_path = shellexpand::tilde(incoming_path);
-
-    let current_dir = env::var("PWD").unwrap_or_else(|err| {
-        panic!(
-            "McFly error: Unable to determine current directory ({})",
-            err
-        )
-    });
-    let current_dir_path = Path::new(&current_dir);
-
-    let path_buf = if expanded_path.starts_with('/') {
-        PathBuf::from("/").join(RelativePath::new(&expanded_path).normalize().to_path(""))
-    } else {
-        let to_current_dir = RelativePath::new(&expanded_path).to_path(current_dir_path);
-        RelativePath::new(to_current_dir.to_str().unwrap())
-            .normalize()
-            .to_path("/")
-    };
-
-    path_buf
+    let expanded_path = shellexpand::tilde(incoming_path).to_string();
+    println!("{}", expanded_path);
+    return Path::new(&expanded_path)
+        .absolutize_from(pwd())
+        .unwrap()
         .to_str()
         .unwrap_or_else(|| panic!("McFly error: Path must be a valid UTF8 string"))
-        .to_string()
+        .to_string();
 }
 
 pub fn parse_mv_command(command: &str) -> Vec<String> {
@@ -108,13 +93,15 @@ mod tests {
     use std::path::PathBuf;
 
     #[test]
+    #[cfg(not(windows))]
     fn normalize_path_works_absolute_paths() {
         assert_eq!(normalize_path("/foo/bar/baz"), String::from("/foo/bar/baz"));
         assert_eq!(normalize_path("/"), String::from("/"));
         assert_eq!(normalize_path("////"), String::from("/"));
     }
 
     #[test]
+    #[cfg(not(windows))]
     fn normalize_path_works_with_tilda() {
         assert_eq!(normalize_path("~/"), env::var("HOME").unwrap());
         assert_eq!(
@@ -126,6 +113,7 @@ mod tests {
     }
 
     #[test]
+    #[cfg(not(windows))]
     fn normalize_path_works_with_double_dots() {
         assert_eq!(normalize_path("/foo/bar/../baz"), String::from("/foo/baz"));
         assert_eq!(normalize_path("/foo/bar/../../baz"), String::from("/baz"));
@@ -140,6 +128,63 @@ mod tests {
         assert_eq!(normalize_path("~/foo/bar/../.."), env::var("HOME").unwrap());
     }
 
+    #[cfg(windows)]
+    fn windows_home_path() -> String {
+        PathBuf::from(env::var("HOMEDRIVE").unwrap())
+            .join(env::var("HOMEPATH").unwrap())
+            .to_str()
+            .unwrap()
+            .to_string()
+    }
+
+    #[test]
+    #[cfg(windows)]
+    fn normalize_path_works_absolute_paths() {
+        assert_eq!(
+            normalize_path("C:\\foo\\bar\\baz"),
+            String::from("C:\\foo\\bar\\baz")
+        );
+        assert_eq!(normalize_path("C:\\"), String::from("C:\\"));
+        assert_eq!(normalize_path("C:\\\\\\\\"), String::from("C:\\"));
+    }
+
+    #[test]
+    #[cfg(windows)]
+    fn normalize_path_works_with_tilda() {
+        assert_eq!(normalize_path("~\\"), windows_home_path());
+        assert_eq!(
+            normalize_path("~\\foo"),
+            PathBuf::from(windows_home_path())
+                .join("foo")
+                .to_string_lossy()
+        );
+    }
+
+    #[test]
+    #[cfg(windows)]
+    fn normalize_path_works_with_double_dots() {
+        assert_eq!(
+            normalize_path("C:\\foo\\bar\\..\\baz"),
+            String::from("C:\\foo\\baz")
+        );
+        assert_eq!(
+            normalize_path("C:\\foo\\bar\\..\\..\\baz"),
+            String::from("C:\\baz")
+        );
+        assert_eq!(
+            normalize_path("C:\\foo\\bar\\..\\..\\"),
+            String::from("C:\\")
+        );
+        assert_eq!(normalize_path("C:\\foo\\bar\\..\\.."), String::from("C:\\"));
+        assert_eq!(
+            normalize_path("~\\foo\\bar\\..\\baz"),
+            PathBuf::from(windows_home_path())
+                .join("foo\\baz")
+                .to_string_lossy()
+        );
+        assert_eq!(normalize_path("~\\foo\\bar\\..\\.."), windows_home_path());
+    }
+
     #[test]
     fn parse_mv_command_works_in_the_basic_case() {
         assert_eq!(