Support PowerShell core (fix #189)

src/config.rs

@@ -49,8 +49,6 @@ pub enum Step {
     Sdkman,
     /// Don't run remote Togprades
     Remotes,
-
-    #[cfg(windows)]
     /// Don't update Powershell modules
     Powershell,
 }

src/executor.rs

@@ -2,6 +2,7 @@
 use super::error::{Error, ErrorKind};
 use super::utils::Check;
 use failure::ResultExt;
+use log::trace;
 use std::ffi::{OsStr, OsString};
 use std::path::Path;
 use std::process::{Child, Command, ExitStatus};
@@ -208,6 +209,7 @@ pub trait CommandExt {
 impl CommandExt for Command {
     fn check_output(&mut self) -> Result<String, Error> {
         let output = self.output().context(ErrorKind::ProcessExecution)?;
+        trace!("Output of {:?}: {:?}", self, output);
         let status = output.status;
         if !status.success() {
             Err(ErrorKind::ProcessFailed(status))?

src/main.rs

@@ -124,10 +124,7 @@ fn run() -> Result<(), Error> {
         }
     }
 
-    #[cfg(windows)]
-    let powershell = windows::Powershell::new();
-
-    #[cfg(windows)]
+    let powershell = powershell::Powershell::new();
     let should_run_powershell = powershell.profile().is_some() && config.should_run(Step::Powershell);
 
     #[cfg(windows)]
@@ -232,12 +229,9 @@ fn run() -> Result<(), Error> {
         git_repos.insert(base_dirs.config_dir().join("i3"));
     }
 
-    #[cfg(windows)]
-    {
     if let Some(profile) = powershell.profile() {
         git_repos.insert(profile);
     }
-    }
 
     if config.should_run(Step::GitRepos) {
         if let Some(custom_git_repos) = config.git_repos() {
@@ -253,8 +247,6 @@ fn run() -> Result<(), Error> {
         )?;
     }
 
-    #[cfg(windows)]
-    {
     if should_run_powershell {
         execute(
             &mut report,
@@ -263,7 +255,6 @@ fn run() -> Result<(), Error> {
             config.no_retry(),
         )?;
     }
-    }
 
     #[cfg(unix)]
     {

src/steps/mod.rs

@@ -3,6 +3,7 @@ pub mod generic;
 pub mod git;
 pub mod node;
 pub mod os;
+pub mod powershell;
 #[cfg(unix)]
 pub mod tmux;
 pub mod vim;

src/steps/os/windows.rs

@@ -1,8 +1,7 @@
 use crate::error::{Error, ErrorKind};
 use crate::executor::{CommandExt, RunType};
-use crate::terminal::{is_dumb, print_separator};
-use crate::utils::{require, require_option, which, PathExt};
-use std::path::PathBuf;
+use crate::terminal::print_separator;
+use crate::utils::require;
 use std::process::Command;
 
 pub fn run_chocolatey(run_type: RunType) -> Result<(), Error> {
@@ -21,67 +20,6 @@ pub fn run_scoop(run_type: RunType) -> Result<(), Error> {
     run_type.execute(&scoop).args(&["update", "*"]).check_run()
 }
 
-pub struct Powershell {
-    path: Option<PathBuf>,
-    profile: Option<PathBuf>,
-}
-
-impl Powershell {
-    /// Returns a powershell instance.
-    ///
-    /// If the powershell binary is not found, or the current terminal is dumb
-    /// then the instance of this struct will skip all the powershell steps.
-    pub fn new() -> Self {
-        let path = which("powershell").filter(|_| !is_dumb());
-
-        let profile = path.as_ref().and_then(|path| {
-            Command::new(path)
-                .args(&["-Command", "echo $profile"])
-                .check_output()
-                .map(|output| PathBuf::from(output.trim()))
-                .and_then(|p| p.require())
-                .ok()
-        });
-
-        Powershell { path, profile }
-    }
-
-    pub fn has_command(powershell: &PathBuf, command: &str) -> bool {
-        || -> Result<(), Error> {
-            Command::new(&powershell)
-                .args(&["-Command", &format!("Get-Command {}", command)])
-                .check_output()?;
-            Ok(())
-        }()
-        .is_ok()
-    }
-
-    pub fn profile(&self) -> Option<&PathBuf> {
-        self.profile.as_ref()
-    }
-
-    pub fn update_modules(&self, run_type: RunType) -> Result<(), Error> {
-        let powershell = require_option(self.path.as_ref())?;
-
-        print_separator("Powershell Modules Update");
-        run_type.execute(&powershell).args(&["Update-Module", "-v"]).check_run()
-    }
-
-    pub fn windows_update(&self, run_type: RunType) -> Result<(), Error> {
-        let powershell = require_option(self.path.as_ref())?;
-
-        if !Self::has_command(&powershell, "Install-WindowsUpdate") {
-            Err(ErrorKind::SkipStep)?;
-        }
-        print_separator("Windows Update");
-
-        run_type
-            .execute(&powershell)
-            .args(&["-Command", "Install-WindowsUpdate -MicrosoftUpdate -AcceptAll -Verbose"])
-            .check_run()
-    }
-}
-
 pub fn run_wsl_topgrade(run_type: RunType) -> Result<(), Error> {
     let wsl = require("wsl")?;
     let topgrade = Command::new(&wsl)

src/steps/powershell.rs

@@ -0,0 +1,77 @@
+use crate::error::Error;
+#[cfg(windows)]
+use crate::error::ErrorKind;
+use crate::executor::{CommandExt, RunType};
+use crate::terminal::{is_dumb, print_separator};
+use crate::utils::{require_option, which, PathExt};
+use std::path::PathBuf;
+use std::process::Command;
+
+pub struct Powershell {
+    path: Option<PathBuf>,
+    profile: Option<PathBuf>,
+}
+
+impl Powershell {
+    /// Returns a powershell instance.
+    ///
+    /// If the powershell binary is not found, or the current terminal is dumb
+    /// then the instance of this struct will skip all the powershell steps.
+    pub fn new() -> Self {
+        let path = which("pwsh").or_else(|| which("powershell")).filter(|_| !is_dumb());
+
+        let profile = path.as_ref().and_then(|path| {
+            Command::new(path)
+                .args(&["-Command", "echo $profile"])
+                .check_output()
+                .map(|output| PathBuf::from(output.trim()))
+                .and_then(|p| p.require())
+                .ok()
+        });
+
+        Powershell { path, profile }
+    }
+
+    #[cfg(windows)]
+    pub fn has_module(powershell: &PathBuf, command: &str) -> bool {
+        || -> Result<(), Error> {
+            Command::new(&powershell)
+                .args(&["-Command", &format!("Get-Module -ListAvailable {}", command)])
+                .check_output()?;
+            Ok(())
+        }()
+        .is_ok()
+    }
+
+    pub fn profile(&self) -> Option<&PathBuf> {
+        self.profile.as_ref()
+    }
+
+    pub fn update_modules(&self, run_type: RunType) -> Result<(), Error> {
+        let powershell = require_option(self.path.as_ref())?;
+
+        print_separator("Powershell Modules Update");
+        run_type
+            .execute(&powershell)
+            .args(&["-Command", "Update-Module", "-v"])
+            .check_run()
+    }
+
+    #[cfg(windows)]
+    pub fn windows_update(&self, run_type: RunType) -> Result<(), Error> {
+        let powershell = require_option(self.path.as_ref())?;
+
+        if !Self::has_module(&powershell, "PSWindowsUpdate") {
+            Err(ErrorKind::SkipStep)?;
+        }
+        print_separator("Windows Update");
+
+        run_type
+            .execute(&powershell)
+            .args(&[
+                "-Command",
+                "Import-Module PSWindowsUpdate; Install-WindowsUpdate -MicrosoftUpdate -AcceptAll -Verbose",
+            ])
+            .check_run()
+    }
+}

src/terminal.rs

@@ -14,6 +14,8 @@ use std::os::windows::ffi::OsStrExt;
 use std::process::Command;
 use std::sync::Mutex;
 #[cfg(windows)]
+use which_crate::which;
+#[cfg(windows)]
 use winapi::um::wincon::SetConsoleTitleW;
 
 lazy_static! {
@@ -27,7 +29,7 @@ fn shell() -> String {
 
 #[cfg(windows)]
 fn shell() -> &'static str {
-    "powershell"
+    which("pwsh").map(|_| "pwsh").unwrap_or("powershell")
 }
 
 pub fn run_shell() {
@@ -196,7 +198,6 @@ pub fn print_result<P: AsRef<str>>(key: P, succeeded: bool) {
     TERMINAL.lock().unwrap().print_result(key, succeeded)
 }
 
-#[cfg(windows)]
 /// Tells whether the terminal is dumb.
 pub fn is_dumb() -> bool {
     TERMINAL.lock().unwrap().width.is_none()