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|
name: Install Cygwin
description: Install Cygwin & packages
inputs:
platform:
description: Target platform
required: false
default: x64
install-dir:
description: Installation directory
required: false
default: C:\tools\cygwin
packages:
description: Packages to install, separated by a space
required: false
env:
description: Value to set as the CYGWIN environment variable
required: false
symlinks-to-hardlinks:
description: Convert symlinks in /usr/bin to hardlinks
required: false
default: 0
runs:
using: composite
steps:
- run: |
New-Variable os -Value ('${{ runner.os }}') -Option Constant
New-Variable windows_host -Value ($os -eq 'Windows') -Option Constant
New-Variable x64 -Value ('${{ inputs.platform }}' -eq 'x64') -Option Constant
New-Variable install_dir -Value '${{ inputs.install-dir }}' -Option Constant
New-Variable packages -Value '${{ inputs.packages }}' -Option Constant
New-Variable symlinks_to_hardlinks -Value ('${{ inputs.symlinks-to-hardlinks }}' -eq '1') -Option Constant
New-Variable bin_dir -Value (Join-Path $install_dir bin) -Option Constant
New-Variable realpath -Value (Join-Path $bin_dir realpath.exe) -Option Constant
New-Variable readlink -Value (Join-Path $bin_dir readlink.exe) -Option Constant
New-Variable dirname -Value (Join-Path $bin_dir dirname.exe) -Option Constant
New-Variable cygpath -Value (Join-Path $bin_dir cygpath.exe) -Option Constant
New-Variable find -Value (Join-Path $bin_dir find.exe) -Option Constant
function Locate-Choco {
$path = Get-Command 'choco' -ErrorAction SilentlyContinue
if ($path) {
$path.Path
} else {
Join-Path ${env:ProgramData} 'chocolatey' 'bin' 'choco'
}
}
function Convert-CygwinPath {
# Like cygpath -wa, but don't resolve symlinks.
param(
[Parameter(Mandatory=$true)]
[string] $Path
)
$realpath = & $script:realpath --no-symlinks -- $Path
$dirname = & $script:dirname -- $realpath
$dirname = & $script:cygpath -wa $dirname
Join-Path $dirname (Split-Path $realpath -Leaf)
}
function Fix-CygwinLink {
# Replace a Cygwin symlink with a hardlink.
param(
[Parameter(Mandatory=$true)]
[string] $Path
)
$link_path = $Path
$link_winpath = Convert-CygwinPath $link_path
$link_ext = [System.IO.Path]::GetExtension($link_path)
$dest_path = & $script:readlink --canonicalize-existing -- $link_path
$dest_winpath = Convert-CygwinPath $dest_path
$dest_ext = [System.IO.Path]::GetExtension($dest_path)
echo "Removing symlink: $link_winpath"
Remove-Item $link_winpath -Force
# If target is an executable (i.e. its name contains one of the
# PATHEXT extensions), make sure the hardlink has the same
# extension.
$exe_exts = $env:PATHEXT.ToLower().Split(';', [System.StringSplitOptions]::RemoveEmptyEntries)
if ($exe_exts -contains $dest_ext.ToLower() -and $dest_ext.ToLower() -ne $link_ext.ToLower()) {
$link_winpath += $dest_ext
}
echo "Creating hardlink '$link_winpath', pointing to '$dest_winpath'"
New-Item -ItemType HardLink -Path $link_winpath -Value $dest_winpath | Out-Null
}
if ($windows_host) {
echo 'CYGWIN=${{ inputs.env }}' >> $env:GITHUB_ENV
$choco = Locate-Choco
$choco_params = @(
'install',
'-y',
'--no-progress',
'--params', "/InstallDir:$install_dir"
)
if (!$x64) {
$choco_params += '--x86'
}
$choco_params += 'cygwin'
# Assuming that Cygwin is not installed when this is run.
& $choco $choco_params
# /usr/bin is really just /bin on Cygwin.
echo (Join-Path $install_dir bin) >> $env:GITHUB_PATH
echo (Join-Path $install_dir usr local bin) >> $env:GITHUB_PATH
$pkg_list = $packages.Split(' ', [System.StringSplitOptions]::RemoveEmptyEntries)
if ($pkg_list.Count -gt 0) {
& $choco install -y --no-progress --source=cygwin $pkg_list
}
if ($symlinks_to_hardlinks) {
& $find /usr/bin -type l | %{ Fix-CygwinLink $_ }
}
} else {
throw "Sorry, installing Cygwin is unsupported on $os"
}
shell: pwsh
branding:
icon: star
color: green
|
