Merge pull request #199 from jalaziz/tempdir

fix: Set TMPDIR to avoid disk space issues

install-nix.sh

@@ -25,18 +25,11 @@ if [[ $OSTYPE =~ darwin ]]; then
 fi
 # Allow binary caches for user
 add_config "trusted-users = root ${USER:-}"
-# Add a GitHub access token.
-# Token-less access is subject to lower rate limits.
+# Add github access token
 if [[ -n "${INPUT_GITHUB_ACCESS_TOKEN:-}" ]]; then
-  echo "::debug::Using the provided github_access_token for github.com"
   add_config "access-tokens = github.com=$INPUT_GITHUB_ACCESS_TOKEN"
-# Use the default GitHub token if available.
-# Skip this step if running an Enterprise instance. The default token there does not work for github.com.
-elif [[ -n "${GITHUB_TOKEN:-}" && $GITHUB_SERVER_URL == "https://github.com" ]]; then
-  echo "::debug::Using the default GITHUB_TOKEN for github.com"
+elif [[ -n "${GITHUB_TOKEN:-}" ]]; then
   add_config "access-tokens = github.com=$GITHUB_TOKEN"
-else
-  echo "::debug::Continuing without a GitHub access token"
 fi
 # Append extra nix configuration if provided
 if [[ -n "${INPUT_EXTRA_NIX_CONFIG:-}" ]]; then
@@ -98,5 +91,10 @@ if [[ -n "${INPUT_NIX_PATH:-}" ]]; then
   echo "NIX_PATH=${INPUT_NIX_PATH}" >> "$GITHUB_ENV"
 fi
 
+# Set temporary directory (if not already set) to fix https://github.com/cachix/install-nix-action/issues/197
+if [[ -z "${TMPDIR:-}" ]]; then
+  echo "TMPDIR=${RUNNER_TEMP}" >> "$GITHUB_ENV"
+fi
+
 # Close the log message group which was opened above
 echo "::endgroup::"