fix access denied error (#142)

Author: ckrause

CHANGELOG.md

@@ -2,6 +2,10 @@ To install or update LODA, please follow the [installation instructions](https:/
 
 ## [Unreleased]
 
+### Bugfixes
+
+* Fix "access denied" error during stats generation on Windows.
+
 # v22.5.14
 
 ### Bugfixes

src/file.cpp

@@ -89,7 +89,6 @@ std::string getPath() {
 void execCmd(const std::string &cmd) {
   auto exit_code = system(cmd.c_str());
   if (exit_code != 0) {
-    Log::get().info("PATH=" + getPath());
     Log::get().error("Error executing command (exit code " +
                          std::to_string(exit_code) + "): " + cmd,
                      true);

src/stats.cpp

@@ -398,7 +398,7 @@ void Stats::collectLatestProgramIds() {
   }
   const std::string git_tmp = getTmpDir() + "loda_git_tmp.txt";
   git(progs_dir, "log --oneline --format=\"%H\" -n " +
-                     std::to_string(max_commits) + " > " + git_tmp);
+                     std::to_string(max_commits) + " > \"" + git_tmp + "\"");
   std::string line;
   std::vector<std::string> commits;
   {
@@ -423,7 +423,7 @@ void Stats::collectLatestProgramIds() {
       break;
     }
     git(progs_dir, "diff-tree --no-commit-id --name-status -r " + commit +
-                       " > " + git_tmp);
+                       " > \"" + git_tmp + "\"");
     {
       // read changed file names from file
       std::ifstream in(git_tmp);