Use specific paths for faster lookup

Fixes #2

package-lock.json

@@ -17,15 +17,6 @@
         "@actions/io": "^1.0.1"
       }
     },
-    "@actions/glob": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/@actions/glob/-/glob-0.1.0.tgz",
-      "integrity": "sha512-lx8SzyQ2FE9+UUvjqY1f28QbTJv+w8qP7kHHbfQRhphrlcx0Mdmm1tZdGJzfxv1jxREa/sLW4Oy8CbGQKCJySA==",
-      "requires": {
-        "@actions/core": "^1.2.0",
-        "minimatch": "^3.0.4"
-      }
-    },
     "@actions/http-client": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-1.0.2.tgz",
@@ -981,7 +972,8 @@
     "balanced-match": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
-      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+      "dev": true
     },
     "base": {
       "version": "0.11.2",
@@ -1051,6 +1043,7 @@
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
       "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+      "dev": true,
       "requires": {
         "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
@@ -1325,7 +1318,8 @@
     "concat-map": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
-      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+      "dev": true
     },
     "contains-path": {
       "version": "0.1.0",
@@ -4509,6 +4503,7 @@
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
       "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "dev": true,
       "requires": {
         "brace-expansion": "^1.1.7"
       }

package.json

@@ -30,7 +30,6 @@
   "dependencies": {
     "@actions/core": "^1.2.0",
     "@actions/exec": "^1.0.3",
-    "@actions/glob": "^0.1.0",
     "@actions/tool-cache": "^1.3.0"
   },
   "devDependencies": {

src/main.ts

@@ -1,6 +1,6 @@
 import * as core from '@actions/core'
 import * as exec from '@actions/exec'
-import * as glob from '@actions/glob'
+import * as fs from 'fs'
 import * as path from 'path'
 import * as io from '@actions/io'
 import {ExecOptions} from '@actions/exec/lib/interfaces'
@@ -56,32 +56,40 @@ async function run(): Promise<void> {
 
     core.debug(`Full tool exe: ${vswhereToolExe}`)
 
-    let installationPath = ''
+    let foundToolPath = ''
     const options: ExecOptions = {}
     options.listeners = {
       stdout: (data: Buffer) => {
-        installationPath = data.toString().trim()
+        const installationPath = data.toString().trim()
         core.debug(`Found installation path: ${installationPath}`)
+
+        let toolPath = path.join(
+          installationPath,
+          'MSBuild\\Current\\Bin\\MSBuild.exe'
+        )
+
+        core.debug(`Checking for path: ${toolPath}`)
+        if (!fs.existsSync(toolPath)) {
+          toolPath = path.join(
+            installationPath,
+            'MSBuild\\15.0\\Bin\\MSBuild.exe'
+          )
+
+          core.debug(`Checking for path: ${toolPath}`)
+          if (!fs.existsSync(toolPath)) {
+            return
+          }
+        }
+
+        foundToolPath = toolPath
       }
     }
 
     // execute the find putting the result of the command in the options foundToolPath
     await exec.exec(`"${vswhereToolExe}" ${VSWHERE_EXEC}`, [], options)
 
-    let foundToolPath = ''
-    if (installationPath) {
-      const pattern = `${installationPath}\\\\MSBuild\\**\\Bin\\msbuild.exe`
-
-      const globber = await glob.create(pattern)
-      const files = await globber.glob()
-
-      if (files?.length > 0) {
-        foundToolPath = files[0]
-      }
-    }
-
     if (!foundToolPath) {
-      core.setFailed('Unable to find msbuild.')
+      core.setFailed('Unable to find MSBuild.')
       return
     }