From 94e67daadff87ff10976ad397b3332fb2bb93f33 Mon Sep 17 00:00:00 2001
From: Valentin Oliver Melberg Loftsson
 <23453691+valentinoli@users.noreply.github.com>
Date: Fri, 18 Jul 2025 22:51:47 +0200
Subject: [PATCH 1/2] =?UTF-8?q?=F0=9F=90=9B=20extract=20relevant=20output?=
 =?UTF-8?q?=20from=20`hatch=20env=20show=20--json`?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

If `result.stdout` contains something more than the JSON output of all the environments, such as logs from Hatch plugins/hooks, this will result in JSONDecodeError. We must extract the relevant output to prevent such cases.
---
 hatch_pip_compile/cli.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/hatch_pip_compile/cli.py b/hatch_pip_compile/cli.py
index 3ddffbb..673b198 100644
--- a/hatch_pip_compile/cli.py
+++ b/hatch_pip_compile/cli.py
@@ -139,7 +139,12 @@ def _get_supported_environments(cls) -> set[str]:
             capture_output=True,
             check=True,
         )
-        environment_dict: dict[str, Any] = json.loads(result.stdout)
+        # Extract the relevant JSON output by extracting the last line in stdout,
+        # to prevent JSONDecodeError. 
+        # When present, previous lines might be logs from Hatch plugins,
+        # like custom environment collectors.
+        envs_raw = result.stdout.strip().rsplit(b"\n", maxsplit=1)[-1] 
+        environment_dict: dict[str, Any] = json.loads(envs_raw)
         return {
             key for key, value in environment_dict.items() if value.get("type") == "pip-compile"
         }

From 78248efb3adffb15846c9f32ebdfd1546f839207 Mon Sep 17 00:00:00 2001
From: Valentin Oliver Melberg Loftsson
 <23453691+valentinoli@users.noreply.github.com>
Date: Fri, 18 Jul 2025 22:56:20 +0200
Subject: [PATCH 2/2] =?UTF-8?q?=F0=9F=8E=A8=20ruff=20errors?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 hatch_pip_compile/cli.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hatch_pip_compile/cli.py b/hatch_pip_compile/cli.py
index 673b198..da04d05 100644
--- a/hatch_pip_compile/cli.py
+++ b/hatch_pip_compile/cli.py
@@ -140,10 +140,10 @@ def _get_supported_environments(cls) -> set[str]:
             check=True,
         )
         # Extract the relevant JSON output by extracting the last line in stdout,
-        # to prevent JSONDecodeError. 
+        # to prevent JSONDecodeError.
         # When present, previous lines might be logs from Hatch plugins,
         # like custom environment collectors.
-        envs_raw = result.stdout.strip().rsplit(b"\n", maxsplit=1)[-1] 
+        envs_raw = result.stdout.strip().rsplit(b"\n", maxsplit=1)[-1]
         environment_dict: dict[str, Any] = json.loads(envs_raw)
         return {
             key for key, value in environment_dict.items() if value.get("type") == "pip-compile"