54 lines
1.6 KiB
Python
Executable File
54 lines
1.6 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Script for retrieving a condensed changelog between two revisions
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#
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# 2021 (c) Marcel Kapfer <opensource@mmk2410.org>
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# Licensed under the MIT/Expat License
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#
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# NOTES:
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#
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# - This is a draft! It may burn your house, delete your harddrive
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# and/or kill your kitten.
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import sys
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import subprocess
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def changelog_diff(old, new, changelog_file = "./CHANGELOG.md"):
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raw_diff = subprocess.run(["git", "diff", "--unified=0",
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"{}..{}".format(old, new), changelog_file],
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stdout=subprocess.PIPE)
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last_block_start = 0
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diff = []
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for line in raw_diff.stdout.decode('utf-8').splitlines()[4::]:
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if line.startswith("@@ ") and line.endswith(" @@"):
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if last_block_start == 2:
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diff.pop()
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last_block_start = 1
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elif line.startswith("+"):
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last_block_start = last_block_start + 1
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diff.append(line[1::])
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else:
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last_block_start = last_block_start + 1
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return diff
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def main():
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help_str = "Must be: ./changelog-diff old-revision new-revision [changelog file]"
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# Check for correct amount of arguments
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if len(sys.argv) < 3:
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print("[ERROR] Not enough arguments. {}".format(help_str))
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sys.exit(1)
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elif len(sys.argv) == 3:
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diff = changelog_diff(sys.argv[1], sys.argv[2])
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elif len(sys.argv) == 4:
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diff = changelog_diff(sys.argv[1], sys.argv[2], sys.argv[3])
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else:
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print("[ERROR] Too much arguments. {}".format(help_str))
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sys.exit(1)
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print("\n".join(diff))
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if __name__ == "__main__":
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main()
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