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index.js
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index.js
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const core = require('@actions/core')
const child_process = require('child_process')
const fs = require('fs')
const path = require('path')
const process = require('process')
const PROGRAM_FILES_X86 = process.env['ProgramFiles(x86)']
const EDITIONS = ['Enterprise', 'Professional', 'Community']
const VERSIONS = ['2019', '2017']
const VSWHERE_PATH = `${PROGRAM_FILES_X86}\\Microsoft Visual Studio\\Installer`
const InterestingVariables = [
'INCLUDE',
'LIB',
'LIBPATH',
'VCINSTALLDIR',
'Path',
'Platform',
'VisualStudioVersion',
/^VCTools/,
/^VSCMD_/,
/^WindowsSDK/i,
]
function findWithVswhere(pattern) {
try {
let installationPath = child_process.execSync(`vswhere -products * -latest -prerelease -property installationPath`).toString().trim()
return installationPath + '\\' + pattern
} catch (e) {
core.warning(`vswhere failed: ${e}`)
}
return null
}
function findVcvarsall() {
// If vswhere is available, ask it about the location of the latest Visual Studio.
let path = findWithVswhere('VC\\Auxiliary\\Build\\vcvarsall.bat')
if (path && fs.existsSync(path)) {
core.info(`Found with vswhere: ${path}`)
return path
}
core.info("Not found with vswhere")
// If that does not work, try the standard installation locations,
// starting with the latest and moving to the oldest.
for (const ver of VERSIONS) {
for (const ed of EDITIONS) {
path = `${PROGRAM_FILES_X86}\\Microsoft Visual Studio\\${ver}\\${ed}\\VC\\Auxiliary\\Build\\vcvarsall.bat`
core.info(`Trying standard location: ${path}`)
if (fs.existsSync(path)) {
core.info(`Found standard location: ${path}`)
return path
}
}
}
core.info("Not found in standard locations")
// Special case for Visual Studio 2015 (and maybe earlier), try it out too.
path = `${PROGRAM_FILES_X86}\\Microsoft Visual C++ Build Tools\\vcbuildtools.bat`
if (fs.existsSync(path)) {
core.info(`Found VS 2015: ${path}`)
return path
}
core.info(`Not found in VS 2015 location: ${path}`)
throw new Error('Microsoft Visual Studio not found')
}
function main() {
if (process.platform != 'win32') {
core.info('This is not a Windows virtual environment, bye!')
return
}
// Add standard location of "vswhere" to PATH, in case it's not there.
process.env.PATH += path.delimiter + VSWHERE_PATH
const arch = core.getInput('arch')
const sdk = core.getInput('sdk')
const toolset = core.getInput('toolset')
const uwp = core.getInput('uwp')
const spectre = core.getInput('spectre')
// Due to the way Microsoft Visual C++ is configured, we have to resort to the following hack:
// Call the configuration batch file and then output *all* the environment variables.
var args = [arch]
if (uwp == 'true') {
args.push('uwp')
}
if (sdk) {
args.push(sdk)
}
if (toolset) {
args.push(`-vcvars_ver=${toolset}`)
}
if (spectre == 'true') {
args.push('-vcvars_spectre_libs=spectre')
}
const command = `"${findVcvarsall()}" ${args.join(' ')} && set`
core.debug(`Running: ${command}`)
const environment = child_process.execSync(command, {shell: "cmd"}).toString().split('\r\n')
for (let string of environment) {
const [name, value] = string.split('=')
for (let pattern of InterestingVariables) {
if (name.match(pattern)) {
core.exportVariable(name, value)
break
}
}
}
core.info(`Configured Developer Command Prompt`)
}
try {
main()
}
catch (e) {
core.setFailed('Could not setup Developer Command Prompt: ' + e.message)
}