6a616ab70c
* feat: allow custom refs for patch import & export feat: add Patch-Dir metainfo, a sibling to Patch-Filename * chore: copyediting * refactor: minor copyediting
40 lines
1.3 KiB
Python
40 lines
1.3 KiB
Python
#!/usr/bin/env python3
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import codecs
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import os
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PATCH_DIR_PREFIX = "Patch-Dir: "
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PATCH_FILENAME_PREFIX = "Patch-Filename: "
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PATCH_LINE_PREFIXES = (PATCH_DIR_PREFIX, PATCH_FILENAME_PREFIX)
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def is_patch_location_line(line):
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return line.startswith(PATCH_LINE_PREFIXES)
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def read_patch(patch_dir, patch_filename):
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"""Read a patch from |patch_dir/filename| and amend the commit message with
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metadata about the patch file it came from."""
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ret = []
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added_patch_location = False
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patch_path = os.path.join(patch_dir, patch_filename)
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with codecs.open(patch_path, encoding='utf-8') as f:
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for l in f.readlines():
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line_has_correct_start = l.startswith('diff -') or l.startswith('---')
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if not added_patch_location and line_has_correct_start:
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ret.append('{}{}\n'.format(PATCH_DIR_PREFIX, patch_dir))
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ret.append('{}{}\n'.format(PATCH_FILENAME_PREFIX, patch_filename))
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added_patch_location = True
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ret.append(l)
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return ''.join(ret)
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def patch_from_dir(patch_dir):
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"""Read a directory of patches into a format suitable for passing to
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'git am'"""
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with open(os.path.join(patch_dir, ".patches")) as f:
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patch_list = [l.rstrip('\n') for l in f.readlines()]
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return ''.join([
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read_patch(patch_dir, patch_filename)
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for patch_filename in patch_list
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])
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