mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-05-02 16:48:50 +00:00
48c43e5b7f
The OpenMAX standard is long dead and even the Raspberry Pi OS no longer supports it. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4976>
240 lines
8.3 KiB
Python
Executable file
240 lines
8.3 KiB
Python
Executable file
#!/usr/bin/env python3
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#
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# Makes a GNU-Style ChangeLog from a git repository
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import os
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import sys
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import subprocess
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import re
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meson_source_root = os.environ.get('MESON_SOURCE_ROOT')
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meson_dist_root = os.environ.get('MESON_DIST_ROOT')
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if meson_dist_root:
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output_fn = os.path.join(meson_dist_root, 'ChangeLog')
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else:
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output_fn = sys.stdout.fileno()
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# commit hash => release version tag string
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release_refs = {}
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# These are the pre-monorepo module beginnings
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changelog_starts = {
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'gstreamer': '70521179a75db0c7230cc47c6d7f9d63cf73d351',
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'gst-plugins-base': '68746a38d5e48e6f7c220663dcc2f175ff55cb3c',
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'gst-plugins-good': '81f63142d65b62b0971c19ceb79956c49ffc2f06',
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'gst-plugins-ugly': '7d7c3e478e32b7b66c44cc4442d571fbab534740',
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'gst-plugins-bad': 'ea6821e2934fe8d356ea89d5610f0630b3446877',
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'gst-libav': '3c440154c60d1ec0a54186f0fad4aebfd2ecc3ea',
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'gst-rtsp-server': '5029c85a46a8c366c4bf272d503e22bbcd624ece',
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'gst-editing-services': 'ee8bf88ebf131cf7c7161356540efc20bf411e14',
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'gst-python': 'b3e564eff577e2f577d795051bbcca85d47c89dc',
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'gstreamer-vaapi': 'c89e9afc5d43837c498a55f8f13ddf235442b83b',
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'gst-devtools': 'da962d096af9460502843e41b7d25fdece7ff1c2',
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'gstreamer-sharp': 'b94528f8e7979df49fedf137dfa228d8fe475e1b',
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}
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def print_help():
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print('', file=sys.stderr)
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print('gen-changelog: generate GNU-style changelog from git history',
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file=sys.stderr)
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print('', file=sys.stderr)
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print('Usage: {} [OPTIONS] GSTREAMER-MODULE [START-TAG] [HEAD-TAG]'.format(
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sys.argv[0]), file=sys.stderr)
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print('', file=sys.stderr)
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sys.exit(1)
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if len(sys.argv) < 2 or len(sys.argv) > 4 or '--help' in sys.argv:
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print_help()
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module = sys.argv[1]
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if len(sys.argv) > 2:
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start_tag = sys.argv[2]
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else:
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start_tag = None
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if len(sys.argv) > 3:
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head_tag = sys.argv[3]
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else:
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head_tag = None
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if module not in changelog_starts:
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print(f'Unknown module {module}', file=sys.stderr)
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print_help()
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def process_commit(lines, files, subtree_path=None):
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# DATE NAME
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# BLANK LINE
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# Subject
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# BLANK LINE
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# ...
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# FILES
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fileincommit = False
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lines = [x.strip() for x in lines if x.strip()
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and not x.startswith('git-svn-id')]
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files = [x.strip() for x in files if x.strip()]
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for line in lines:
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if line.startswith('* ') and ':' in line:
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fileincommit = True
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break
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top_line = lines[0]
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print(top_line.strip())
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print()
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if not fileincommit:
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for f in files:
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if subtree_path and f.startswith(subtree_path):
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# requires Python 3.9
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print('\t* %s:' % f.removeprefix(subtree_path))
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else:
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print('\t* %s:' % f)
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for line in lines[1:]:
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print('\t ', line)
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print()
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def output_commits(module, start_tag, end_tag, subtree_path=None):
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# retrieve commit date for start tag so we can filter the log for commits
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# after that date. That way we don't include commits from merged-in
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# plugin-move branches that go back to the beginning of time.
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start_date = get_commit_date_for_ref(start_tag)
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cmd = ['git', 'log',
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'--pretty=format:--START-COMMIT--%H%n%ai %an <%ae>%n%n%s%n%b%n--END-COMMIT--',
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'--date=short',
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'--name-only',
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f'--since={start_date}',
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f'{start_tag}..{end_tag}',
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]
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if subtree_path:
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cmd += ['--', '.']
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p = subprocess.Popen(args=cmd, shell=False,
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stdout=subprocess.PIPE, cwd=meson_source_root)
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buf = []
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files = []
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filemode = False
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for lin in [x.decode('utf8', errors='replace') for x in p.stdout.readlines()]:
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if lin.startswith("--START-COMMIT--"):
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commit_hash = lin[16:].strip()
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if buf != []:
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process_commit(buf, files, subtree_path)
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if commit_hash in release_refs:
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version_str = release_refs[commit_hash]
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print(f'=== release {version_str} ===\n')
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buf = []
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files = []
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filemode = False
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elif lin.startswith("--END-COMMIT--"):
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filemode = True
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elif filemode is True:
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files.append(lin)
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else:
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buf.append(lin)
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if buf != []:
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process_commit(buf, files, subtree_path)
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def get_commit_date_for_ref(ref):
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cmd = ['git', 'log', '--pretty=format:%cI', '-1', ref]
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r = subprocess.run(cmd, capture_output=True, text=True,
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check=True, cwd=meson_source_root)
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commit_date = r.stdout.strip()
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return commit_date
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def populate_release_tags_for_premonorepo_module(module_tag_prefix):
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if module_tag_prefix != '':
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cmd = ['git', 'tag', '--list', f'{module_tag_prefix}*']
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else:
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cmd = ['git', 'tag', '--list', '1.*', 'RELEASE-*']
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p = subprocess.Popen(args=cmd, shell=False,
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stdout=subprocess.PIPE, cwd=meson_source_root)
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for line in [x.decode('utf8') for x in p.stdout.readlines()]:
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git_tag = line.strip()
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version_str = git_tag.removeprefix(module_tag_prefix).removeprefix('RELEASE-').split('-')[0].replace('_', '.')
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# might have been populated with post-monorepo tags already for gstreamer core
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if version_str not in release_refs:
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# find last commit before tag in module subdirectory
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cmd = ['git', 'log', '--pretty=format:%H', '-1', git_tag]
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r = subprocess.run(cmd, capture_output=True,
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text=True, check=True, cwd=meson_source_root)
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commit_hash = r.stdout.strip()
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release_refs[commit_hash] = version_str
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# print(f'{git_tag} => {version_str} => {commit_hash}')
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def populate_release_tags_for_monorepo_subproject():
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cmd = ['git', 'tag', '--list', '1.*']
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p = subprocess.Popen(args=cmd, shell=False,
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stdout=subprocess.PIPE, cwd=meson_source_root)
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for line in [x.decode('utf8') for x in p.stdout.readlines()]:
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version_str = line.strip()
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version_arr = version_str.split('.')
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major = int(version_arr[0])
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minor = int(version_arr[1])
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micro = int(version_arr[2])
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# ignore pre-monorepo versions
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if major < 1:
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continue
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if major == 1 and minor < 19:
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continue
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if major == 1 and minor == 19 and micro < 2:
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continue
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# find last commit before tag in module subdirectory
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cmd = ['git', 'log', '--pretty=format:%H',
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'-1', version_str, '--', '.']
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r = subprocess.run(cmd, capture_output=True, text=True,
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check=True, cwd=meson_source_root)
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commit_hash = r.stdout.strip()
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release_refs[commit_hash] = version_str
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if __name__ == '__main__':
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module_tag_prefix = '' if module == 'gstreamer' else f'{module}-'
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populate_release_tags_for_monorepo_subproject()
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with open(output_fn, 'w') as f:
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sys.stdout = f
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# Force writing of head tag
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if head_tag and head_tag not in release_refs.values():
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print(f'=== release {head_tag} ===\n')
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# Output all commits from start_tag onwards, otherwise output full history.
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# (We assume the start_tag is after the monorepo merge if it's specified.)
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if start_tag and start_tag != 'start':
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output_commits(module, start_tag, 'HEAD', f'subprojects/{module}/')
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else:
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# First output all post-monorepo commits or commits from start_tag if specified
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output_commits(module, 'monorepo-start',
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'HEAD', f'subprojects/{module}/')
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populate_release_tags_for_premonorepo_module(module_tag_prefix)
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# Next output all pre-monorepo commits (modules have their own root)
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if not start_tag:
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module_start = f'{module_tag_prefix}1.0.0'
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elif start_tag == 'start':
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module_start = changelog_starts[module]
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else:
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module_start = f'{module_tag_prefix}{start_tag}'
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output_commits(module, module_start,
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f'{module_tag_prefix}1.19.2', None)
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# Write start tag at end for clarity
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if not start_tag:
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print(f'=== release 1.0.0 ===\n')
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elif start_tag != 'start':
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print(f'=== release {start_tag} ===\n')
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