Attempt to reproduce issue, fail to do so

Issue:

    babashka#229

test/babashka/neil/dep_upgrade_test.clj

@@ -47,7 +47,25 @@
     (spit test-file-path "{:deps {hiccup/hiccup {:mvn/version \"1.0.0\" :neil/pinned true} cheshire/cheshire {:mvn/version \"4.0.0\"}}}")
     (test-util/neil "dep upgrade" :deps-file test-file-path)
     (is (= "1.0.0" (:mvn/version (get-dep-version 'hiccup/hiccup))) "Pinned deps are left alone")
-    (is (version-clj/older? "4.0.0" (:mvn/version (get-dep-version 'cheshire/cheshire))) "Unpinned, outdated deps are updated")))
+    (is (version-clj/older? "4.0.0" (:mvn/version (get-dep-version 'cheshire/cheshire))) "Unpinned, outdated deps are updated"))
+
+  (testing "git deps can be pinned"
+    (let [deps-data '{:deps {io.github.nextjournal/markdown {:git/sha "6683c48dfdb23404a23057817b6ac3acf0310bca" :neil/pinned true}}}]
+      (spit test-file-path deps-data)
+      (test-util/neil "dep upgrade" :deps-file test-file-path)
+      (slurp test-file-path)
+      (is (= "6683c48dfdb23404a23057817b6ac3acf0310bca"
+             (:git/sha (get-dep-version 'io.github.nextjournal/markdown)))))))
+
+(comment
+  (binding [*print-namespace-maps* false]
+    (let [deps-data '{:deps {io.github.nextjournal/markdown {:git/sha "6683c48dfdb23404a23057817b6ac3acf0310bca" :neil/pinned true}}}]
+      (spit test-file-path deps-data)
+      (test-util/neil "dep upgrade" :deps-file test-file-path)
+      (slurp test-file-path)
+      (assert (= deps-data (edn/read-string (slurp test-file-path))))))
+
+  )
 
 (deftest dep-upgrade-test-one-lib
   (testing "specifying :lib only updates one dep"