catch exceptions from resolving symbolic links during bb.edn lookup (#1702)

CHANGELOG.md

@@ -19,6 +19,7 @@ A preview of the next release can be installed from
 - [#1696](https://github.com/babashka/babashka/issues/1696): add `clojure.core/*source-path*` (points to the same sci var as `*file*`) ([@bobisageek](https://github.com/bobisageek))
 - [#1696](https://github.com/babashka/babashka/issues/1696): add `clojure.main/with-read-known` ([@bobisageek](https://github.com/bobisageek))
 - [#1696](https://github.com/babashka/babashka/issues/1696): add `clojure.core.server/repl-read` ([@bobisageek](https://github.com/bobisageek))
+- [#1700](https://github.com/babashka/babashka/issues/1700): catch exceptions from resolving symbolic links during `bb.edn` lookup ([@bobisageek](https://github.com/bobisageek))
 
 ## 1.3.190 (2024-04-17)
 

src/babashka/main.clj

@@ -1149,7 +1149,10 @@ Use bb run --help to show this help output.
 
 (defn resolve-symbolic-link [f]
   (if (and f (fs/exists? f))
-    (str (fs/real-path f))
+    (try
+      (str (fs/real-path f))
+      (catch Exception _
+        f))
     f))
 
 (defn deps-not-needed [opts]

test/babashka/bb_edn_test.clj

@@ -531,6 +531,12 @@ even more stuff here\"
   (testing "symlink"
     (is (= {1 {:id 1}} (bb (str (fs/file "test-resources" "symlink-adjacent-bb")))))))
 
+; symlinks that resolve in the /proc fs cause fs/real-path to throw when figuring out bb.edn path (issue #1700)
+(deftest redirection-test
+  (testing "main doesn't throw when input file symlink resolves to 'not real' file"
+    (when (and test-utils/native? (not test-utils/windows?))
+      (is (str/starts-with? (test-utils/bb "(println \"hi\")" "/dev/stdin") "hi")))))
+
 (deftest non-existing-tasks-in-run-gives-exit-code-1
   (is (thrown? Exception (bb "-Sdeps" "{:tasks {foo {:task (run (quote bar))}}}" "foo"))))