mirror of
https://git.proxmox.com/git/mirror_frr
synced 2025-11-04 13:30:17 +00:00
105 lines
3.1 KiB
Python
105 lines
3.1 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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import sys, os
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import subprocess, argparse, tempfile
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import indent
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def run(cmd):
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proc = subprocess.Popen(cmd, stdout=subprocess.PIPE)
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rv = proc.communicate("")[0].decode("UTF-8")
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proc.wait()
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return rv
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clangfmt = run(["git", "show", "master:.clang-format"])
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argp = argparse.ArgumentParser(description="git whitespace-fixing tool")
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argp.add_argument("branch", metavar="BRANCH", type=str, nargs="?", default="HEAD")
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args = argp.parse_args()
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branch = args.branch
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commit = run(["git", "rev-list", "-n", "1", branch, "--"]).strip()
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# frr-3.1-dev = first commit that is on master but not on stable/3.0
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masterid = run(["git", "rev-list", "-n", "1", "frr-3.1-dev", "--"]).strip()
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masterbase = run(["git", "merge-base", commit, masterid]).strip()
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if masterbase == masterid:
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refbranch = "master"
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else:
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refbranch = "3.0"
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sys.stderr.write("autodetected base: %s (can be 3.0 or master)\n" % refbranch)
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beforeid = run(
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["git", "rev-list", "-n", "1", "reindent-%s-before" % refbranch, "--"]
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).strip()
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afterid = run(
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["git", "rev-list", "-n", "1", "reindent-%s-after" % refbranch, "--"]
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).strip()
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beforebase = run(["git", "merge-base", commit, beforeid]).strip()
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afterbase = run(["git", "merge-base", commit, afterid]).strip()
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if afterbase == afterid:
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sys.stderr.write("this branch was already rebased\n")
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sys.exit(1)
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if beforebase != beforeid:
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sys.stderr.write(
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'you need to rebase your branch onto the tag "reindent-%s-before"\n' % refbranch
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)
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sys.exit(1)
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revs = (
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run(["git", "rev-list", "reindent-%s-before..%s" % (refbranch, commit)])
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.strip()
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.split("\n")
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)
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revs.reverse()
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srcdir = os.getcwd()
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tmpdir = tempfile.mkdtemp("frrindent")
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os.chdir(tmpdir)
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sys.stderr.write("using temporary directory %s; %d revisions\n" % (tmpdir, len(revs)))
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run(["git", "clone", "-s", "-b", "reindent-%s-after" % refbranch, srcdir, "repo"])
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os.chdir("repo")
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with open(".clang-format", "w") as fd:
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fd.write(clangfmt)
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prev = beforeid
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for rev in revs:
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filestat = (
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run(["git", "diff", "-z", "--name-status", prev, rev]).rstrip("\0").split("\0")
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)
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changes = zip(filestat[0::2], filestat[1::2])
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sys.stderr.write("%s: %d files\n" % (rev, len(changes)))
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for typ, name in changes:
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if typ == "D":
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run(["git", "rm", name])
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elif typ in ["A", "M"]:
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run(["git", "checkout", rev, "--", name])
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if name.endswith(".c") or name.endswith(".h"):
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for d in ["babeld/", "ldpd/", "nhrpd/"]:
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if name.startswith(d):
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break
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else:
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sys.stderr.write("\t%s\n" % name)
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indent.wrap_file(name)
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run(["git", "add", name])
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run(["git", "commit", "-C", rev])
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prev = rev
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run(["git", "push", "origin", "HEAD:refs/heads/reindented-branch"])
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sys.stderr.write('\n\n"reindented-branch" should now be OK.\n')
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sys.stderr.write(
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'you could use "git reset --hard reindented-branch" to set your current branch to the reindented output\n'
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)
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sys.stderr.write("\033[31;1mplease always double-check the output\033[m\n")
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