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Try support PowerShell #93

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f97d982
Try support PowerShell
swissspidy Mar 28, 2026
1801a73
Lint fix
swissspidy Mar 28, 2026
4a21ed1
Update src/WP_CLI/Shell/REPL.php
swissspidy Mar 29, 2026
23a8ee6
make history
swissspidy Mar 29, 2026
c0c0bc6
no /dev/null
swissspidy Mar 29, 2026
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14 changes: 11 additions & 3 deletions features/shell.feature
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Original file line number Diff line number Diff line change
Expand Up @@ -3,8 +3,12 @@ Feature: WordPress REPL
Scenario: Blank session
Given a WP install

When I run `wp shell < /dev/null`
And I run `wp shell --basic < /dev/null`
And an empty_session file:
"""
"""

When I run `wp shell < empty_session`
And I run `wp shell --basic < empty_session`
Then STDOUT should be empty

Scenario: Persistent environment
Expand Down Expand Up @@ -252,7 +256,11 @@ Feature: WordPress REPL
Scenario: Shell with hook parameter for hook that hasn't fired
Given a WP install

When I try `wp shell --basic --hook=shutdown < /dev/null`
And an empty_session file:
"""
"""

When I try `wp shell --basic --hook=shutdown < empty_session`
Then STDERR should contain:
"""
Error: The 'shutdown' hook has not fired yet
Expand Down
20 changes: 18 additions & 2 deletions src/WP_CLI/Shell/REPL.php
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Expand Up @@ -176,10 +176,12 @@ private function prompt() {
}

private static function create_prompt_cmd( $prompt, $history_path ) {
$prompt = escapeshellarg( $prompt );
$history_path = escapeshellarg( $history_path );
$is_windows = \WP_CLI\Utils\is_windows();

if ( getenv( 'WP_CLI_CUSTOM_SHELL' ) ) {
$shell_binary = (string) getenv( 'WP_CLI_CUSTOM_SHELL' );
} elseif ( $is_windows ) {
$shell_binary = 'powershell.exe';
} elseif ( is_file( '/bin/bash' ) && is_readable( '/bin/bash' ) ) {
// Prefer /bin/bash when available since we use bash-specific commands.
$shell_binary = '/bin/bash';
Expand All @@ -191,10 +193,24 @@ private static function create_prompt_cmd( $prompt, $history_path ) {
$shell_binary = 'bash';
}

$is_powershell = $is_windows && 'powershell.exe' === $shell_binary;

if ( $is_powershell ) {
// PowerShell uses ` (backtick) for escaping but for strings single quotes are literal.
// If prompt contains single quotes, we double them in PowerShell.
$prompt_for_ps = str_replace( "'", "''", $prompt );
$history_path_for_ps = str_replace( "'", "''", $history_path );
$cmd = "\$line = Read-Host -Prompt '{$prompt_for_ps}'; if ( \$line ) { Add-Content -Path '{$history_path_for_ps}' -Value \$line; } Write-Output \$line;";
return "powershell.exe -Command \"{$cmd}\"";
}

if ( ! is_file( $shell_binary ) || ! is_readable( $shell_binary ) ) {
WP_CLI::error( "The shell binary '{$shell_binary}' is not valid. You can override the shell to be used through the WP_CLI_CUSTOM_SHELL environment variable." );
}

$prompt = escapeshellarg( $prompt );
$history_path = escapeshellarg( $history_path );

$is_ksh = self::is_ksh_shell( $shell_binary );
$shell_binary = escapeshellarg( $shell_binary );

Expand Down
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