From 1e346ba4da7975bda0fdcc0dda45f29edb459908 Mon Sep 17 00:00:00 2001
From: AntoinePrv <AntoinePrv@users.noreply.github.com>
Date: Tue, 26 Dec 2023 11:45:33 +0100
Subject: [PATCH] Fix MatchSpec dist parse

---
 libmamba/src/core/env_lockfile.cpp          |  7 ++++---
 libmamba/src/core/match_spec.cpp            | 23 ++++++++-------------
 libmamba/tests/src/core/test_match_spec.cpp | 13 ++++++++++++
 3 files changed, 26 insertions(+), 17 deletions(-)

diff --git a/libmamba/src/core/env_lockfile.cpp b/libmamba/src/core/env_lockfile.cpp
index c674cf4119..a4868053b2 100644
--- a/libmamba/src/core/env_lockfile.cpp
+++ b/libmamba/src/core/env_lockfile.cpp
@@ -219,13 +219,14 @@ namespace mamba
                 std::type_index{ typeid(err) }
             ));
         }
-        catch (...)
+        catch (const std::exception& e)
         {
             return tl::unexpected(EnvLockFileError::make_error(
                 file_parsing_error_code::parsing_failure,
                 fmt::format(
-                    "unknown error while reading environment lockfile located at '{}'",
-                    file_path.string()
+                    "Error while reading environment lockfile located at '{}': {}",
+                    file_path.string(),
+                    e.what()
                 )
             ));
         }
diff --git a/libmamba/src/core/match_spec.cpp b/libmamba/src/core/match_spec.cpp
index 3379b789d7..8835064b90 100644
--- a/libmamba/src/core/match_spec.cpp
+++ b/libmamba/src/core/match_spec.cpp
@@ -66,29 +66,24 @@ namespace mamba
         out.m_filename = std::string(pkg);
         out.m_url = util::path_or_url_to_url(spec);
 
-        // Name
-        auto [head, tail] = util::split_once(specs::strip_archive_extension(pkg), '-');
-        out.m_name = head;
-        if (!tail.has_value())
+        // Build string
+        auto [head, tail] = util::rsplit_once(specs::strip_archive_extension(pkg), '-');
+        out.build_string = tail;
+        if (!head.has_value())
         {
             fail_parse();
         }
 
         // Version
-        std::tie(head, tail) = util::split_once(tail.value(), '-');
-        out.version = head;
-        if (!tail.has_value())
+        std::tie(head, tail) = util::rsplit_once(head.value(), '-');
+        out.version = tail;
+        if (!head.has_value())
         {
             fail_parse();
         }
 
-        // Build string
-        std::tie(head, tail) = util::split_once(tail.value(), '-');
-        out.build_string = head;
-        if (tail.has_value())  // Exactly three expected
-        {
-            fail_parse();
-        }
+        // Name
+        out.m_name = head.value();  // There may be '-' in the name
 
         return out;
     }
diff --git a/libmamba/tests/src/core/test_match_spec.cpp b/libmamba/tests/src/core/test_match_spec.cpp
index 70b1a1d23c..c6ef649598 100644
--- a/libmamba/tests/src/core/test_match_spec.cpp
+++ b/libmamba/tests/src/core/test_match_spec.cpp
@@ -143,6 +143,19 @@ TEST_SUITE("MatchSpec")
             );
             CHECK_EQ(ms.filename(), "_libgcc_mutex-0.1-conda_forge.tar.bz2");
         }
+        {
+            auto ms = MatchSpec::parse(
+                "https://conda.anaconda.org/conda-forge/linux-64/libgcc-ng-11.2.0-h1d223b6_13.tar.bz2"
+            );
+            CHECK_EQ(ms.name(), "libgcc-ng");
+            CHECK_EQ(ms.version, "11.2.0");
+            CHECK_EQ(ms.build_string, "h1d223b6_13");
+            CHECK_EQ(
+                ms.url(),
+                "https://conda.anaconda.org/conda-forge/linux-64/libgcc-ng-11.2.0-h1d223b6_13.tar.bz2"
+            );
+            CHECK_EQ(ms.filename(), "libgcc-ng-11.2.0-h1d223b6_13.tar.bz2");
+        }
         {
             auto ms = MatchSpec::parse(
                 "/home/randomguy/Downloads/linux-64/_libgcc_mutex-0.1-conda_forge.tar.bz2"