38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
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#!/usr/bin/env python3
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import sys
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import subprocess
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import json
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old_drv = sys.argv[1]
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new_drv = sys.argv[2]
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# Read both derivations recursively
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old_derivation = json.loads(old_drv)
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new_derivation = json.loads(new_drv)
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packages = {}
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for drv in old_derivation:
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drvData = old_derivation[drv]
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if "pname" in drvData["env"]:
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packages[drvData["env"]["pname"]] = { "old": drvData["env"]["version"] }
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for drv in new_derivation:
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drvData = new_derivation[drv]
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if "pname" in drvData["env"]:
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if drvData["env"]["pname"] in packages:
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packages[drvData["env"]["pname"]]["new"] = drvData["env"]["version"]
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else:
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packages[drvData["env"]["pname"]] = { "new": drvData["env"]["version"] }
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for package in packages:
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if "old" in packages[package] and "new" in packages[package]:
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if packages[package]["old"] != packages[package]["new"]:
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print(f"{package}: {packages[package]['old']} -> {packages[package]['new']}")
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elif "old" in packages[package]:
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print(f"{package}: {packages[package]['old']} -> removed")
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elif "new" in packages[package]:
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print(f"{package}: added -> {packages[package]['new']}")
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