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aminyaaminya
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Add a lib.js to export functions without running main (#70)
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‎index.js‎

Lines changed: 1 addition & 224 deletions
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const { setupMSVCDevCmd } = require('./lib')
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const core = require('@actions/core')
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const child_process = require('child_process')
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const fs = require('fs')
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const path = require('path')
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const process = require('process')
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const PROGRAM_FILES_X86 = process.env['ProgramFiles(x86)']
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const PROGRAM_FILES = [process.env['ProgramFiles(x86)'], process.env['ProgramFiles']]
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const EDITIONS = ['Enterprise', 'Professional', 'Community', 'BuildTools']
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const YEARS = ['2022', '2019', '2017']
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const VsYearVersion = {
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'2022': '17.0',
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'2019': '16.0',
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'2017': '15.0',
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'2015': '14.0',
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'2013': '12.0',
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}
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function vsversion_to_versionnumber(vsversion) {
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if (Object.values(VsYearVersion).includes(vsversion)) {
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return vsversion
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} else {
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if (vsversion in VsYearVersion) {
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return VsYearVersion[vsversion]
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}
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}
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return vsversion
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}
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exports.vsversion_to_versionnumber = vsversion_to_versionnumber
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function vsversion_to_year(vsversion) {
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if (Object.keys(VsYearVersion).includes(vsversion)) {
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return vsversion
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} else {
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for (const [year, ver] of Object.entries(VsYearVersion)) {
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if (ver === vsversion) {
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return year
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}
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}
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}
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return vsversion
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}
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exports.vsversion_to_year = vsversion_to_year
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const VSWHERE_PATH = `${PROGRAM_FILES_X86}\\Microsoft Visual Studio\\Installer`
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function findWithVswhere(pattern, version_pattern) {
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try {
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let installationPath = child_process.execSync(`vswhere -products * ${version_pattern} -prerelease -property installationPath`).toString().trim()
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return installationPath + '\\' + pattern
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} catch (e) {
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core.warning(`vswhere failed: ${e}`)
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}
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return null
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}
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exports.findWithVswhere = findWithVswhere
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function findVcvarsall(vsversion) {
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const vsversion_number = vsversion_to_versionnumber(vsversion)
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let version_pattern
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if (vsversion_number) {
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const upper_bound = vsversion_number.split('.')[0] + '.9'
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version_pattern = `-version "${vsversion_number},${upper_bound}"`
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} else {
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version_pattern = "-latest"
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}
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// If vswhere is available, ask it about the location of the latest Visual Studio.
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let path = findWithVswhere('VC\\Auxiliary\\Build\\vcvarsall.bat', version_pattern)
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if (path && fs.existsSync(path)) {
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core.info(`Found with vswhere: ${path}`)
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return path
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}
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core.info("Not found with vswhere")
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// If that does not work, try the standard installation locations,
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// starting with the latest and moving to the oldest.
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const years = vsversion ? [vsversion_to_year(vsversion)] : YEARS
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for (const prog_files of PROGRAM_FILES) {
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for (const ver of years) {
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for (const ed of EDITIONS) {
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path = `${prog_files}\\Microsoft Visual Studio\\${ver}\\${ed}\\VC\\Auxiliary\\Build\\vcvarsall.bat`
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core.info(`Trying standard location: ${path}`)
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if (fs.existsSync(path)) {
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core.info(`Found standard location: ${path}`)
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return path
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}
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}
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}
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}
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core.info("Not found in standard locations")
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// Special case for Visual Studio 2015 (and maybe earlier), try it out too.
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path = `${PROGRAM_FILES_X86}\\Microsoft Visual C++ Build Tools\\vcbuildtools.bat`
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if (fs.existsSync(path)) {
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core.info(`Found VS 2015: ${path}`)
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return path
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}
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core.info(`Not found in VS 2015 location: ${path}`)
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throw new Error('Microsoft Visual Studio not found')
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}
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exports.findVcvarsall = findVcvarsall
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function isPathVariable(name) {
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const pathLikeVariables = ['PATH', 'INCLUDE', 'LIB', 'LIBPATH']
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return pathLikeVariables.indexOf(name.toUpperCase()) != -1
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}
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function filterPathValue(path) {
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let paths = path.split(';')
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// Remove duplicates by keeping the first occurance and preserving order.
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// This keeps path shadowing working as intended.
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function unique(value, index, self) {
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return self.indexOf(value) === index
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}
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return paths.filter(unique).join(';')
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}
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/** See https://github.com/ilammy/msvc-dev-cmd#inputs */
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function setupMSVCDevCmd(arch, sdk, toolset, uwp, spectre, vsversion) {
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if (process.platform != 'win32') {
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core.info('This is not a Windows virtual environment, bye!')
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return
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}
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// Add standard location of "vswhere" to PATH, in case it's not there.
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process.env.PATH += path.delimiter + VSWHERE_PATH
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// There are all sorts of way the architectures are called. In addition to
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// values supported by Microsoft Visual C++, recognize some common aliases.
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let arch_aliases = {
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"win32": "x86",
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"win64": "x64",
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"x86_64": "x64",
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"x86-64": "x64",
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}
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// Ignore case when matching as that's what humans expect.
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if (arch.toLowerCase() in arch_aliases) {
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arch = arch_aliases[arch.toLowerCase()]
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}
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// Due to the way Microsoft Visual C++ is configured, we have to resort to the following hack:
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// Call the configuration batch file and then output *all* the environment variables.
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var args = [arch]
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if (uwp == 'true') {
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args.push('uwp')
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}
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if (sdk) {
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args.push(sdk)
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}
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if (toolset) {
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args.push(`-vcvars_ver=${toolset}`)
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}
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if (spectre == 'true') {
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args.push('-vcvars_spectre_libs=spectre')
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}
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const vcvars = `"${findVcvarsall(vsversion)}" ${args.join(' ')}`
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core.debug(`vcvars command-line: ${vcvars}`)
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const cmd_output_string = child_process.execSync(`set && cls && ${vcvars} && cls && set`, {shell: "cmd"}).toString()
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const cmd_output_parts = cmd_output_string.split('\f')
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const old_environment = cmd_output_parts[0].split('\r\n')
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const vcvars_output = cmd_output_parts[1].split('\r\n')
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const new_environment = cmd_output_parts[2].split('\r\n')
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// If vsvars.bat is given an incorrect command line, it will print out
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// an error and *still* exit successfully. Parse out errors from output
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// which don't look like environment variables, and fail if appropriate.
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const error_messages = vcvars_output.filter((line) => {
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if (line.match(/^\[ERROR.*\]/)) {
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// Don't print this particular line which will be confusing in output.
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if (!line.match(/Error in script usage. The correct usage is:$/)) {
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return true
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}
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}
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return false
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})
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if (error_messages.length > 0) {
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throw new Error('invalid parameters' + '\r\n' + error_messages.join('\r\n'))
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}
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// Convert old environment lines into a dictionary for easier lookup.
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let old_env_vars = {}
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for (let string of old_environment) {
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const [name, value] = string.split('=')
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old_env_vars[name] = value
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}
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// Now look at the new environment and export everything that changed.
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// These are the variables set by vsvars.bat. Also export everything
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// that was not there during the first sweep: those are new variables.
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core.startGroup('Environment variables')
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for (let string of new_environment) {
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// vsvars.bat likes to print some fluff at the beginning.
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// Skip lines that don't look like environment variables.
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if (!string.includes('=')) {
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continue;
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}
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let [name, new_value] = string.split('=')
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let old_value = old_env_vars[name]
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// For new variables "old_value === undefined".
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if (new_value !== old_value) {
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core.info(`Setting ${name}`)
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// Special case for a bunch of PATH-like variables: vcvarsall.bat
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// just prepends its stuff without checking if its already there.
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// This makes repeated invocations of this action fail after some
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// point, when the environment variable overflows. Avoid that.
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if (isPathVariable(name)) {
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new_value = filterPathValue(new_value)
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}
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core.exportVariable(name, new_value)
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}
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}
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core.endGroup()
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core.info(`Configured Developer Command Prompt`)
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}
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exports.setupMSVCDevCmd = setupMSVCDevCmd
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function main() {
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var arch = core.getInput('arch')

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