fix: handle invalid slug ValueError gracefully in CLI

codecov_cli/helpers/encoder.py

@@ -1,13 +1,17 @@
 import re
 
+import click
+
 slug_without_subgroups_regex = re.compile(r"[^/\s]+\/[^/\s]+$")
 slug_with_subgroups_regex = re.compile(r"[^/\s]+(\/[^/\s]+)+$")
 encoded_slug_regex = re.compile(r"[^:\s]+(:::[^:\s]+)*(::::[^:\s]+){1}$")
 
 
 def encode_slug(slug: str):
     if slug_with_subgroups_is_invalid(slug):
-        raise ValueError("The provided slug is invalid")
+        raise click.ClickException(
+            "The provided slug is invalid. Slug must be in the format <owner>/<repo>"
+        )
     owner, repo = slug.rsplit("/", 1)
     encoded_owner = ":::".join(owner.split("/"))
     encoded_slug = "::::".join([encoded_owner, repo])

codecov_cli/opentelemetry.py

@@ -8,6 +8,7 @@
 _SAMPLED_MESSAGES = [
     "Token required",
     "No JUnit XML reports found",
+    "The provided slug is invalid",
 ]
 _SAMPLE_RATE = 100
 _SKIP_TAG_KEYS = {"branch", "flags", "commit_sha", "env_vars"}