fix(errors): extend error status code supported by ggshield

Author: salome-voltz

changelog.d/20250826_171614_salome.voltz_scrt_5812_investigate_ggshield_running_into_an_ownership_issue_in_git.md

@@ -0,0 +1,42 @@
+<!--
+A new scriv changelog fragment.
+
+Uncomment the section that is right (remove the HTML comment wrapper).
+For top level release notes, leave all the headers commented out.
+-->
+
+<!--
+### Removed
+
+- A bullet item for the Removed category.
+
+-->
+<!--
+### Added
+
+- A bullet item for the Added category.
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+### Changed
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+- A bullet item for the Changed category.
+
+-->
+<!--
+### Deprecated
+
+- A bullet item for the Deprecated category.
+
+-->
+
+### Fixed
+
+- Extend the range of API error status code supported by ggshield so the UI correctly displays them.
+
+<!--
+### Security
+
+- A bullet item for the Security category.
+
+-->

ggshield/core/errors.py

@@ -213,3 +213,7 @@ def handle_api_error(detail: Detail) -> None:
         raise UnexpectedError(f"Scanning failed: {detail.detail}")
     if detail.status_code == 403 and detail.detail == "Quota limit reached.":
         raise QuotaLimitReachedError()
+    if detail.status_code == 400 and "not found" in detail.detail:
+        raise UnexpectedError(detail.detail)
+    if 500 <= detail.status_code < 600:
+        raise ServiceUnavailableError(detail.detail)

ggshield/verticals/secret/secret_scanner.py

@@ -231,7 +231,7 @@ def handle_scan_chunk_error(detail: Detail, chunk: List[Scannable]) -> None:
     details = None
 
     # Handle source_uuid not found error specifically
-    if "Source not found" in detail.detail:
+    if "Source" in detail.detail and "not found" in detail.detail:
         ui.display_error("The provided source was not found in GitGuardian.")
         return