Work around failures on platforms where the number of files open at once is limited

Author: kit-ty-kate

dist/index.js

@@ -50,6 +50,13 @@ async function composeOpamCacheKeys() {
   const repositoryUrls = OPAM_REPOSITORIES.map(([_, value]) => value).join();
   const osInfo = await system.osInfo();
   const plainKey = [
+    "workaround-v1", /* Work around failures on macOS where the number of
+                        open files at once is limited and GNU Patch will
+                        keep open a possibly unlimited number of files.
+                        ulimit -n will not work as a workaround because of
+                        https://savannah.gnu.org/bugs/?55797
+                        so the solution is to change the key for everyone
+                        so opam-repository is fetched again from scratch. */
     PLATFORM,
     osInfo.release,
     ARCHITECTURE,