Mercurial > hg > mercurial-crew-with-dirclash
view hgext/hgk.py @ 5045:f191bc3916f7
merge: do early copy to deal with issue636
Without copies/renames, merges source names are 1:1 with their
targets. Copies and renames introduce the possibility that there will
be two merges with the same input but different output. By doing the
copy to the destination name before the merge, the actual merge
becomes 1:1 again, and no source is the input to two different merges.
- add a preliminary scan to applyupdates to do copies
- for the merge action, pass the old name (for finding ancestors) and
the new name (for input to the merge) to filemerge
- eliminate the old post-merge copy
- lookup file contents from new name in filemerge
- pass new name to external merge helper
- report merge failure at new name
- add a test
author | Matt Mackall <mpm@selenic.com> |
---|---|
date | Wed, 01 Aug 2007 12:33:12 -0500 |
parents | eadfaa9ec487 |
children | c2ad1890fc53 |
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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) util.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 [OPTION]... NODE1 NODE2 [FILE]...'), "debug-cat-file": (catfile, [('s', 'stdin', None, 'stdin')], 'hg debug-cat-file [OPTION]... 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'), }