From 34fbbc1d36fbeb08e98a6bdb591cac5eed7effa8 Mon Sep 17 00:00:00 2001 From: Benoit Daloze Date: Mon, 16 Nov 2020 12:13:08 +0100 Subject: [PATCH] Update README.md --- README.md | 1 + 1 file changed, 1 insertion(+) diff --git a/README.md b/README.md index 1a1010b..a826e2b 100644 --- a/README.md +++ b/README.md @@ -170,6 +170,7 @@ This action might work with [self-hosted runners](https://docs.github.com/en/act if the [virtual environment](https://github.com/actions/virtual-environments) is very similar to the ones used by GitHub runners. Notably: * Make sure to use the same operating system and version. +* Set the environment variable `ImageOS` to the corresponding value on GitHub-hosted runners (e.g. `ubuntu18`/`macos1015`/`win19`). This is necessary to detect the operating system and version. * Make sure to use the same version of libssl. * Make sure that the operating system has `libyaml-0` installed * The default tool cache directory (`/opt/hostedtoolcache` on Linux, `/Users/runner/hostedtoolcache` on macOS,