Change default Windows shell to PowerShell

Update the Windows shell settings and comments so they look familiar to
Windows users, but comment out the shell settings for consistency with
Linux and Mac.

Stop checking COMSPEC when the configuration file does not specify which
shell to use, and just default to PowerShell.

4 files changed, 7 insertions, 9 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index a93bf897..de808894 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Windows configuration location has been moved from %USERPROFILE%\alacritty.yml
     to %APPDATA%\alacritty\alacritty.yml
+- Windows default shell is now PowerShell instead of cmd
 
 ### Fixed
 
diff --git a/alacritty_windows.yml b/alacritty_windows.yml
index ba764dfc..cdca685e 100644
--- a/alacritty_windows.yml
+++ b/alacritty_windows.yml
@@ -276,12 +276,11 @@ live_config_reload: true
 
 # Shell
 #
-# You can set `shell.program` to the path of your favorite shell, e.g. `/bin/fish`.
+# You can set `shell.program` to the path of your favorite shell, e.g. `cmd`.
 # Entries in `shell.args` are passed unmodified as arguments to the shell.
-shell:
-  program: cmd
-  #args:
-  #  - --login
+#shell:
+#  program: powershell
+#  args: []
 
 # Windows 10 ConPTY backend
 #
diff --git a/src/tty/windows/conpty.rs b/src/tty/windows/conpty.rs
index b16a61c4..755846e8 100644
--- a/src/tty/windows/conpty.rs
+++ b/src/tty/windows/conpty.rs
@@ -14,7 +14,6 @@
 
 use super::{process_should_exit, Pty, HANDLE};
 
-use std::env;
 use std::i16;
 use std::mem;
 use std::os::windows::io::IntoRawHandle;
@@ -212,7 +211,7 @@ pub fn new<'a>(
     }
 
     // Get process commandline
-    let default_shell = &Shell::new(env::var("COMSPEC").unwrap_or_else(|_| "cmd".into()));
+    let default_shell = &Shell::new("powershell");
     let shell = config.shell().unwrap_or(default_shell);
     let initial_command = options.command().unwrap_or(shell);
     let mut cmdline = initial_command.args().to_vec();
diff --git a/src/tty/windows/winpty.rs b/src/tty/windows/winpty.rs
index a3a45e39..9daa88d1 100644
--- a/src/tty/windows/winpty.rs
+++ b/src/tty/windows/winpty.rs
@@ -18,7 +18,6 @@ use std::io;
 use std::fs::OpenOptions;
 use std::os::windows::io::{FromRawHandle, IntoRawHandle};
 use std::os::windows::fs::OpenOptionsExt;
-use std::env;
 use std::sync::Arc;
 use std::u16;
 
@@ -96,7 +95,7 @@ pub fn new<'a>(
     let (conin, conout) = (winpty.conin_name(), winpty.conout_name());
 
     // Get process commandline
-    let default_shell = &Shell::new(env::var("COMSPEC").unwrap_or_else(|_| "cmd".into()));
+    let default_shell = &Shell::new("powershell");
     let shell = config.shell().unwrap_or(default_shell);
     let initial_command = options.command().unwrap_or(shell);
     let mut cmdline = initial_command.args().to_vec();