Mercurial > hg > mercurial-crew-with-dirclash
view hgext/hgk.py @ 4211:1253703853a8
git-send-email compatibility: stop reading changelog after ^---$
author | Brendan Cully <brendan@kublai.com> |
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date | Wed, 14 Mar 2007 11:46:07 -0700 |
parents | cc08d2543593 |
children | 39001f4b7d99 |
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# Minimal support for git commands on an hg repository # # Copyright 2005, 2006 Chris Mason <mason@suse.com> # # This software may be used and distributed according to the terms # of the GNU General Public License, incorporated herein by reference. import sys, os from mercurial import hg, fancyopts, commands, ui, util, patch, revlog def difftree(ui, repo, node1=None, node2=None, *files, **opts): """diff trees from two commits""" def __difftree(repo, node1, node2, files=[]): assert node2 is not None mmap = repo.changectx(node1).manifest() mmap2 = repo.changectx(node2).manifest() status = repo.status(node1, node2, files=files)[:5] modified, added, removed, deleted, unknown = status empty = hg.short(hg.nullid) for f in modified: # TODO get file permissions print ":100664 100664 %s %s M\t%s\t%s" % (hg.short(mmap[f]), hg.short(mmap2[f]), f, f) for f in added: print ":000000 100664 %s %s N\t%s\t%s" % (empty, hg.short(mmap2[f]), f, f) for f in removed: print ":100664 000000 %s %s D\t%s\t%s" % (hg.short(mmap[f]), empty, f, f) ## while True: if opts['stdin']: try: line = raw_input().split(' ') node1 = line[0] if len(line) > 1: node2 = line[1] else: node2 = None except EOFError: break node1 = repo.lookup(node1) if node2: node2 = repo.lookup(node2) else: node2 = node1 node1 = repo.changelog.parents(node1)[0] if opts['patch']: if opts['pretty']: catcommit(repo, node2, "") patch.diff(repo, node1, node2, files=files, opts=patch.diffopts(ui, {'git': True})) else: __difftree(repo, node1, node2, files=files) if not opts['stdin']: break def catcommit(repo, n, prefix, ctx=None): nlprefix = '\n' + prefix; if ctx is None: ctx = repo.changectx(n) (p1, p2) = ctx.parents() print "tree %s" % (hg.short(ctx.changeset()[0])) # use ctx.node() instead ?? if p1: print "parent %s" % (hg.short(p1.node())) if p2: print "parent %s" % (hg.short(p2.node())) date = ctx.date() description = ctx.description().replace("\0", "") lines = description.splitlines() if lines and lines[-1].startswith('committer:'): committer = lines[-1].split(': ')[1].rstrip() else: committer = ctx.user() print "author %s %s %s" % (ctx.user(), int(date[0]), date[1]) print "committer %s %s %s" % (committer, int(date[0]), date[1]) print "revision %d" % ctx.rev() print "" if prefix != "": print "%s%s" % (prefix, description.replace('\n', nlprefix).strip()) else: print description if prefix: sys.stdout.write('\0') def base(ui, repo, node1, node2): """Output common ancestor information""" node1 = repo.lookup(node1) node2 = repo.lookup(node2) n = repo.changelog.ancestor(node1, node2) print hg.short(n) def catfile(ui, repo, type=None, r=None, **opts): """cat a specific revision""" # in stdin mode, every line except the commit is prefixed with two # spaces. This way the our caller can find the commit without magic # strings # prefix = "" if opts['stdin']: try: (type, r) = raw_input().split(' '); prefix = " " except EOFError: return else: if not type or not r: ui.warn("cat-file: type or revision not supplied\n") commands.help_(ui, 'cat-file') while r: if type != "commit": sys.stderr.write("aborting hg cat-file only understands commits\n") sys.exit(1); n = repo.lookup(r) catcommit(repo, n, prefix) if opts['stdin']: try: (type, r) = raw_input().split(' '); except EOFError: break else: break # git rev-tree is a confusing thing. You can supply a number of # commit sha1s on the command line, and it walks the commit history # telling you which commits are reachable from the supplied ones via # a bitmask based on arg position. # you can specify a commit to stop at by starting the sha1 with ^ def revtree(args, repo, full="tree", maxnr=0, parents=False): def chlogwalk(): count = repo.changelog.count() i = count l = [0] * 100 chunk = 100 while True: if chunk > i: chunk = i i = 0 else: i -= chunk for x in xrange(0, chunk): if i + x >= count: l[chunk - x:] = [0] * (chunk - x) break if full != None: l[x] = repo.changectx(i + x) l[x].changeset() # force reading else: l[x] = 1 for x in xrange(chunk-1, -1, -1): if l[x] != 0: yield (i + x, full != None and l[x] or None) if i == 0: break # calculate and return the reachability bitmask for sha def is_reachable(ar, reachable, sha): if len(ar) == 0: return 1 mask = 0 for i in xrange(len(ar)): if sha in reachable[i]: mask |= 1 << i return mask reachable = [] stop_sha1 = [] want_sha1 = [] count = 0 # figure out which commits they are asking for and which ones they # want us to stop on for i in xrange(len(args)): if args[i].startswith('^'): s = repo.lookup(args[i][1:]) stop_sha1.append(s) want_sha1.append(s) elif args[i] != 'HEAD': want_sha1.append(repo.lookup(args[i])) # calculate the graph for the supplied commits for i in xrange(len(want_sha1)): reachable.append({}); n = want_sha1[i]; visit = [n]; reachable[i][n] = 1 while visit: n = visit.pop(0) if n in stop_sha1: continue for p in repo.changelog.parents(n): if p not in reachable[i]: reachable[i][p] = 1 visit.append(p) if p in stop_sha1: continue # walk the repository looking for commits that are in our # reachability graph for i, ctx in chlogwalk(): n = repo.changelog.node(i) mask = is_reachable(want_sha1, reachable, n) if mask: parentstr = "" if parents: pp = repo.changelog.parents(n) if pp[0] != hg.nullid: parentstr += " " + hg.short(pp[0]) if pp[1] != hg.nullid: parentstr += " " + hg.short(pp[1]) if not full: print hg.short(n) + parentstr elif full == "commit": print hg.short(n) + parentstr catcommit(repo, n, ' ', ctx) else: (p1, p2) = repo.changelog.parents(n) (h, h1, h2) = map(hg.short, (n, p1, p2)) (i1, i2) = map(repo.changelog.rev, (p1, p2)) date = ctx.date()[0] print "%s %s:%s" % (date, h, mask), mask = is_reachable(want_sha1, reachable, p1) if i1 != hg.nullrev and mask > 0: print "%s:%s " % (h1, mask), mask = is_reachable(want_sha1, reachable, p2) if i2 != hg.nullrev and mask > 0: print "%s:%s " % (h2, mask), print "" if maxnr and count >= maxnr: break count += 1 def revparse(ui, repo, *revs, **opts): """Parse given revisions""" def revstr(rev): if rev == 'HEAD': rev = 'tip' return revlog.hex(repo.lookup(rev)) for r in revs: revrange = r.split(':', 1) ui.write('%s\n' % revstr(revrange[0])) if len(revrange) == 2: ui.write('^%s\n' % revstr(revrange[1])) # git rev-list tries to order things by date, and has the ability to stop # at a given commit without walking the whole repo. TODO add the stop # parameter def revlist(ui, repo, *revs, **opts): """print revisions""" if opts['header']: full = "commit" else: full = None copy = [x for x in revs] revtree(copy, repo, full, opts['max_count'], opts['parents']) def view(ui, repo, *etc, **opts): "start interactive history viewer" os.chdir(repo.root) optstr = ' '.join(['--%s %s' % (k, v) for k, v in opts.iteritems() if v]) cmd = ui.config("hgk", "path", "hgk") + " %s %s" % (optstr, " ".join(etc)) ui.debug("running %s\n" % cmd) os.system(cmd) cmdtable = { "^view": (view, [('l', 'limit', '', 'limit number of changes displayed')], 'hg view [-l LIMIT] [REVRANGE]'), "debug-diff-tree": (difftree, [('p', 'patch', None, 'generate patch'), ('r', 'recursive', None, 'recursive'), ('P', 'pretty', None, 'pretty'), ('s', 'stdin', None, 'stdin'), ('C', 'copy', None, 'detect copies'), ('S', 'search', "", 'search')], "hg git-diff-tree [options] node1 node2 [files...]"), "debug-cat-file": (catfile, [('s', 'stdin', None, 'stdin')], "hg debug-cat-file [options] type file"), "debug-merge-base": (base, [], "hg debug-merge-base node node"), 'debug-rev-parse': (revparse, [('', 'default', '', 'ignored')], "hg debug-rev-parse rev"), "debug-rev-list": (revlist, [('H', 'header', None, 'header'), ('t', 'topo-order', None, 'topo-order'), ('p', 'parents', None, 'parents'), ('n', 'max-count', 0, 'max-count')], "hg debug-rev-list [options] revs"), }