From 7e33a6b1e5c361b1c04a06bd52c3952dee9473ea Mon Sep 17 00:00:00 2001
From: cgewecke <christophergewecke@gmail.com>
Date: Sun, 22 Sep 2019 20:43:15 -0700
Subject: [PATCH] Add --temp command flag

---
 README.md                          |  1 +
 dist/plugin-assets/plugin.utils.js |  2 +-
 test/units/truffle/flags.js        | 14 ++++++++++++++
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 7f00825..dae71a8 100644
--- a/README.md
+++ b/README.md
@@ -46,6 +46,7 @@ truffle run coverage [options]
 | file     | `--file="test/registry/*.js"`    | Filename or glob describing a subset of JS tests to run. (Globs must be enclosed by quotes.)|
 | solcoverjs | `--solcoverjs ./../.solcover.js` | Relative path from working directory to config. Useful for monorepo packages that share settings. (Path must be "./" prefixed) |
 | network    | `--network development` | Use network settings defined in the Truffle config |
+| temp       | `--temp build`   | :warning: *Use with caution* :warning:.  Disposable folder to store compilation artifacts in. Useful when your test setup scripts include hard-coded paths to a build directory. |
 | version    |                                | Version info |
 | help       |                                | Usage notes  |
 
diff --git a/dist/plugin-assets/plugin.utils.js b/dist/plugin-assets/plugin.utils.js
index 18e5210..948013a 100644
--- a/dist/plugin-assets/plugin.utils.js
+++ b/dist/plugin-assets/plugin.utils.js
@@ -85,7 +85,7 @@ function toRelativePath(pathToFile, pathToParent){
 function getTempLocations(config){
   const cwd = config.working_directory;
   const contractsDirName = '.coverage_contracts';
-  const artifactsDirName = '.coverage_artifacts';
+  const artifactsDirName = config.temp || '.coverage_artifacts';
 
   return {
     tempContractsDir: path.join(cwd, contractsDirName),
diff --git a/test/units/truffle/flags.js b/test/units/truffle/flags.js
index af1cadd..18d3c79 100644
--- a/test/units/truffle/flags.js
+++ b/test/units/truffle/flags.js
@@ -211,6 +211,20 @@ describe('Truffle Plugin: command line options', function() {
     );
   });
 
+  it('--coverageArtifacts', async function(){
+    truffleConfig.logger = mock.testLogger;
+
+    truffleConfig.temp = 'special_location';
+
+    mock.install('Simple', 'simple.js', solcoverConfig);
+    await plugin(truffleConfig);
+
+    assert(
+      mock.loggerOutput.val.includes("/special_location/contracts"),
+      `Should write artifacts to "special_location": ${mock.loggerOutput.val}`
+    );
+  });
+
   it('--network (network_id mismatch in configs)', async function(){
     truffleConfig.logger = mock.testLogger;