exec: environment variable contains NUL

[ms609]

Bug report info

Unclear whether this is an act issue – also reported at cygwin/cygwin-install-action#15

act version:            0.2.64
GOOS:                   windows
GOARCH:                 amd64
NumCPU:                 16
Docker host:            DOCKER_HOST environment variable is not set
Sockets found:
Config files:
        C:\Users\pjjg18\AppData\Local\act\actrc:
                -P ubuntu-latest=catthehacker/ubuntu:act-latest
                -P ubuntu-22.04=catthehacker/ubuntu:act-22.04
                -P ubuntu-20.04=catthehacker/ubuntu:act-20.04
                -P ubuntu-18.04=catthehacker/ubuntu:act-18.04
Build info:
        Go version:            go1.21.11
        Module path:           github.com/nektos/act
        Main version:          (devel)
        Main path:             github.com/nektos/act
        Main checksum:
        Build settings:
                -buildmode:           exe
                -compiler:            gc
                -ldflags:             -s -w -X main.version=0.2.64 -X main.commit=aa54ea933591a57d1179c2691a57f2017aa855e5 -X main.date=2024-07-01T02:21:46Z -X main.builtBy=goreleaser
                CGO_ENABLED:          0
                GOARCH:               amd64
                GOOS:                 windows
                GOAMD64:              v1
                vcs:                  git
                vcs.revision:         aa54ea933591a57d1179c2691a57f2017aa855e5
                vcs.time:             2024-07-01T02:21:27Z
                vcs.modified:         false

Error: error during connect: in the default daemon configuration on Windows, the docker client must be run with elevated privileges to connect: Get "http://%2F%2F.%2Fpipe%2Fdocker_engine/v1.45/info": open //./pipe/docker_engine: The system cannot find the file specified.

Command used with act

act pull_request -j build-windows -P windows-latest=-self-hosted -s GITHUB_TOKEN="<redacted>"

Describe issue

When running cygwin/cygwin-install-action@v4, I see:

❌ Failure - Main # run login shell to copy skeleton profile files
C:\cygwin\bin\bash.exe --login
exec: environment variable contains NUL

Further specifics are given at cygwin/cygwin-install-action#15.

Link to GitHub repository

https://github.com/ms609/revbayes/tree/gha-windows

Workflow content

name: Build and test
on:
  push:
    branches:
      - "*"
  pull_request:
    branches:
    - "*"
   
env:
  SHELLOPTS: igncr

jobs:
  build-windows:
    runs-on: windows-latest
    steps:
    - name: Use safe line endings
      run: git config --global core.autocrlf input
      shell: cmd
      
    - uses: actions/checkout@v4
        
    - name: Set up Cygwin
      uses: cygwin/cygwin-install-action@v4
      with:
        platform: x86_64
        packages: cmake

Relevant log output

[Build and test/build-windows] ⭐ Run Main Set up Cygwin
[Build and test/build-windows] ⭐ Run Main $platform = 'x86_64'
$platform = $platform -replace '^(x64|amd64)$', 'x86_64'
$platform = $platform -replace '^i686$', 'x86'
# validate that platform is one of the expected values
if (($platform -ne 'x86') -and ($platform -ne 'x86_64')) {
  echo "unknown platform $platform"
  exit 1
}
Invoke-WebRequest https://cygwin.com/setup-$platform.exe -OutFile C:\setup.exe

$packages = 'cmake'
$pkg_list = $packages.Split('', [System.StringSplitOptions]::RemoveEmptyEntries)
$pkg_list = $pkg_list | % { $_.Trim() }
$pkg_list = $pkg_list | % { $_.Trim(',') }

$args = @(
 '-qgnO',
 '-l', 'C:\cygwin-packages',
 '-R', 'C:\cygwin'
)

# default site if not specified
if ( '' ) {
  $sites = ''
} elseif ($platform -eq 'x86') {
  $sites = 'http://mirrors.kernel.org/sourceware/cygwin-archive/20221123'
} else {
  $sites = 'http://mirrors.kernel.org/sourceware/cygwin/'
}
$site_list = $sites.Split('', [System.StringSplitOptions]::RemoveEmptyEntries)
$site_list = $site_list | % { $_.Trim() }
foreach ($site in $site_list) {
  $args += '-s'
  $args += $site
}

if ($pkg_list.Count -gt 0) {
  $args += '-P'
  $args += $pkg_list -Join(',')
}

if ('true' -eq $false) {
  $args += '-X'
}

if ( '' ) {
  $pubkeys = ''
  $pubkey_list = $pubkeys.Split('', [System.StringSplitOptions]::RemoveEmptyEntries)
  $pubkey_list = $pubkey_list | % { $_.Trim() }
  foreach ($pubkey in $pubkey_list) {
    $args += '-K'
    $args += $pubkey
  }
}

if ($platform -eq 'x86') {
  $args += '--allow-unsupported-windows'
}

# because setup is a Windows GUI app, make it part of a pipeline to make
# PowerShell wait for it to exit
& C:\setup.exe $args | Out-Default
| Starting cygwin install, version 2.932
| User has backup/restore rights
| User has symlink creation right
| Current Directory: C:\cygwin-packages
| root: C:\cygwin system
| Changing gid to Administrators
| Selected local directory: C:\cygwin-packages
| net: Preconfig
| site: http://mirrors.kernel.org/sourceware/cygwin/
| solving: 1 tasks, update: yes, use test packages: no
| solving: 0 tasks, update: no, use test packages: no
| Augmented Transaction List: is empty
| Registry value set: HKEY_LOCAL_MACHINE\Software\Cygwin\setup\rootdir = "C:\cygwin"
| running: C:\cygwin\bin\dash.exe "/etc/postinstall/0p_000_autorebase.dash"
| running: C:\cygwin\bin\dash.exe "/etc/postinstall/0p_update-info-dir.dash"
| running: C:\cygwin\bin\bash.exe --norc --noprofile "/etc/postinstall/zp_adwaita-icon-theme.sh"
| running: C:\cygwin\bin\bash.exe --norc --noprofile "/etc/postinstall/zp_desktop-file-utils.sh"
| running: C:\cygwin\bin\bash.exe --norc --noprofile "/etc/postinstall/zp_fontconfig_cache_1.sh"
| running: C:\cygwin\bin\dash.exe "/etc/postinstall/zp_fontconfig_dtd.dash"
| running: C:\cygwin\bin\bash.exe --norc --noprofile "/etc/postinstall/zp_glib2.0.sh"
| running: C:\cygwin\bin\bash.exe --norc --noprofile "/etc/postinstall/zp_hicolor-icon-theme.sh"
| running: C:\cygwin\bin\dash.exe "/etc/postinstall/zp_man-db-update-index.dash"
| running: C:\cygwin\bin\bash.exe --norc --noprofile "/etc/postinstall/zp_shared-mime-info.sh"
| Ending cygwin install
[Build and test/build-windows]   ✅  Success - Main $platform = 'x86_64'
$platform = $platform -replace '^(x64|amd64)$', 'x86_64'
$platform = $platform -replace '^i686$', 'x86'
# validate that platform is one of the expected values
if (($platform -ne 'x86') -and ($platform -ne 'x86_64')) {
  echo "unknown platform $platform"
  exit 1
}
Invoke-WebRequest https://cygwin.com/setup-$platform.exe -OutFile C:\setup.exe

$packages = 'cmake'
$pkg_list = $packages.Split('', [System.StringSplitOptions]::RemoveEmptyEntries)
$pkg_list = $pkg_list | % { $_.Trim() }
$pkg_list = $pkg_list | % { $_.Trim(',') }

$args = @(
 '-qgnO',
 '-l', 'C:\cygwin-packages',
 '-R', 'C:\cygwin'
)

# default site if not specified
if ( '' ) {
  $sites = ''
} elseif ($platform -eq 'x86') {
  $sites = 'http://mirrors.kernel.org/sourceware/cygwin-archive/20221123'
} else {
  $sites = 'http://mirrors.kernel.org/sourceware/cygwin/'
}
$site_list = $sites.Split('', [System.StringSplitOptions]::RemoveEmptyEntries)
$site_list = $site_list | % { $_.Trim() }
foreach ($site in $site_list) {
  $args += '-s'
  $args += $site
}

if ($pkg_list.Count -gt 0) {
  $args += '-P'
  $args += $pkg_list -Join(',')
}

if ('true' -eq $false) {
  $args += '-X'
}

if ( '' ) {
  $pubkeys = ''
  $pubkey_list = $pubkeys.Split('', [System.StringSplitOptions]::RemoveEmptyEntries)
  $pubkey_list = $pubkey_list | % { $_.Trim() }
  foreach ($pubkey in $pubkey_list) {
    $args += '-K'
    $args += $pubkey
  }
}

if ($platform -eq 'x86') {
  $args += '--allow-unsupported-windows'
}

# because setup is a Windows GUI app, make it part of a pipeline to make
# PowerShell wait for it to exit
& C:\setup.exe $args | Out-Default
[Build and test/build-windows] ⭐ Run Main echo "C:\cygwin\bin" >> $env:GITHUB_PATH
[Build and test/build-windows]   ✅  Success - Main echo "C:\cygwin\bin" >> $env:GITHUB_PATH
[Build and test/build-windows]   ⚙  ::add-path:: ��C:\cygwin\bin
[Build and test/build-windows]   ⚙  ::add-path::
[Build and test/build-windows] ⭐ Run Main # run login shell to copy skeleton profile files
C:\cygwin\bin\bash.exe --login
[Build and test/build-windows]   ❌  Failure - Main # run login shell to copy skeleton profile files
C:\cygwin\bin\bash.exe --login
[Build and test/build-windows] exec: environment variable contains NUL
[Build and test/build-windows]   ❌  Failure - Main Set up Cygwin
[Build and test/build-windows] exec: environment variable contains NUL

Additional information

No response