Mercurial > hg
view hgext/record.py @ 24269:9a745ced79a9
record: move filterpatch from record to patch
Part of a series of patches to move record from hgext to core
author | Laurent Charignon <lcharignon@fb.com> |
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date | Tue, 10 Mar 2015 14:42:07 -0700 |
parents | cf7d252d8c30 |
children | c256ae48fd26 |
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# record.py # # Copyright 2007 Bryan O'Sullivan <bos@serpentine.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. '''commands to interactively select changes for commit/qrefresh''' from mercurial.i18n import _ from mercurial import cmdutil, commands, extensions, hg, patch from mercurial import util import cStringIO, errno, os, shutil, tempfile cmdtable = {} command = cmdutil.command(cmdtable) testedwith = 'internal' @command("record", # same options as commit + white space diff options commands.table['^commit|ci'][1][:] + commands.diffwsopts, _('hg record [OPTION]... [FILE]...')) def record(ui, repo, *pats, **opts): '''interactively select changes to commit If a list of files is omitted, all changes reported by :hg:`status` will be candidates for recording. See :hg:`help dates` for a list of formats valid for -d/--date. You will be prompted for whether to record changes to each modified file, and for files with multiple changes, for each change to use. For each query, the following responses are possible:: y - record this change n - skip this change e - edit this change manually s - skip remaining changes to this file f - record remaining changes to this file d - done, skip remaining changes and files a - record all changes to all remaining files q - quit, recording no changes ? - display help This command is not available when committing a merge.''' dorecord(ui, repo, commands.commit, 'commit', False, *pats, **opts) def qrefresh(origfn, ui, repo, *pats, **opts): if not opts['interactive']: return origfn(ui, repo, *pats, **opts) mq = extensions.find('mq') def committomq(ui, repo, *pats, **opts): # At this point the working copy contains only changes that # were accepted. All other changes were reverted. # We can't pass *pats here since qrefresh will undo all other # changed files in the patch that aren't in pats. mq.refresh(ui, repo, **opts) # backup all changed files dorecord(ui, repo, committomq, 'qrefresh', True, *pats, **opts) # This command registration is replaced during uisetup(). @command('qrecord', [], _('hg qrecord [OPTION]... PATCH [FILE]...'), inferrepo=True) def qrecord(ui, repo, patch, *pats, **opts): '''interactively record a new patch See :hg:`help qnew` & :hg:`help record` for more information and usage. ''' try: mq = extensions.find('mq') except KeyError: raise util.Abort(_("'mq' extension not loaded")) repo.mq.checkpatchname(patch) def committomq(ui, repo, *pats, **opts): opts['checkname'] = False mq.new(ui, repo, patch, *pats, **opts) dorecord(ui, repo, committomq, 'qnew', False, *pats, **opts) def qnew(origfn, ui, repo, patch, *args, **opts): if opts['interactive']: return qrecord(ui, repo, patch, *args, **opts) return origfn(ui, repo, patch, *args, **opts) def dorecord(ui, repo, commitfunc, cmdsuggest, backupall, *pats, **opts): if not ui.interactive(): raise util.Abort(_('running non-interactively, use %s instead') % cmdsuggest) # make sure username is set before going interactive if not opts.get('user'): ui.username() # raise exception, username not provided def recordfunc(ui, repo, message, match, opts): """This is generic record driver. Its job is to interactively filter local changes, and accordingly prepare working directory into a state in which the job can be delegated to a non-interactive commit command such as 'commit' or 'qrefresh'. After the actual job is done by non-interactive command, the working directory is restored to its original state. In the end we'll record interesting changes, and everything else will be left in place, so the user can continue working. """ cmdutil.checkunfinished(repo, commit=True) merge = len(repo[None].parents()) > 1 if merge: raise util.Abort(_('cannot partially commit a merge ' '(use "hg commit" instead)')) status = repo.status(match=match) diffopts = patch.difffeatureopts(ui, opts=opts, whitespace=True) diffopts.nodates = True diffopts.git = True originalchunks = patch.diff(repo, changes=status, opts=diffopts) fp = cStringIO.StringIO() fp.write(''.join(originalchunks)) fp.seek(0) # 1. filter patch, so we have intending-to apply subset of it try: chunks = patch.filterpatch(ui, patch.parsepatch(fp)) except patch.PatchError, err: raise util.Abort(_('error parsing patch: %s') % err) del fp contenders = set() for h in chunks: try: contenders.update(set(h.files())) except AttributeError: pass changed = status.modified + status.added + status.removed newfiles = [f for f in changed if f in contenders] if not newfiles: ui.status(_('no changes to record\n')) return 0 newandmodifiedfiles = set() for h in chunks: ishunk = isinstance(h, patch.recordhunk) isnew = h.filename() in status.added if ishunk and isnew and not h in originalchunks: newandmodifiedfiles.add(h.filename()) modified = set(status.modified) # 2. backup changed files, so we can restore them in the end if backupall: tobackup = changed else: tobackup = [f for f in newfiles if f in modified or f in newandmodifiedfiles] backups = {} if tobackup: backupdir = repo.join('record-backups') try: os.mkdir(backupdir) except OSError, err: if err.errno != errno.EEXIST: raise try: # backup continues for f in tobackup: fd, tmpname = tempfile.mkstemp(prefix=f.replace('/', '_')+'.', dir=backupdir) os.close(fd) ui.debug('backup %r as %r\n' % (f, tmpname)) util.copyfile(repo.wjoin(f), tmpname) shutil.copystat(repo.wjoin(f), tmpname) backups[f] = tmpname fp = cStringIO.StringIO() for c in chunks: fname = c.filename() if fname in backups or fname in newandmodifiedfiles: c.write(fp) dopatch = fp.tell() fp.seek(0) [os.unlink(c) for c in newandmodifiedfiles] # 3a. apply filtered patch to clean repo (clean) if backups: hg.revert(repo, repo.dirstate.p1(), lambda key: key in backups) # 3b. (apply) if dopatch: try: ui.debug('applying patch\n') ui.debug(fp.getvalue()) patch.internalpatch(ui, repo, fp, 1, eolmode=None) except patch.PatchError, err: raise util.Abort(str(err)) del fp # 4. We prepared working directory according to filtered # patch. Now is the time to delegate the job to # commit/qrefresh or the like! # Make all of the pathnames absolute. newfiles = [repo.wjoin(nf) for nf in newfiles] commitfunc(ui, repo, *newfiles, **opts) return 0 finally: # 5. finally restore backed-up files try: for realname, tmpname in backups.iteritems(): ui.debug('restoring %r to %r\n' % (tmpname, realname)) util.copyfile(tmpname, repo.wjoin(realname)) # Our calls to copystat() here and above are a # hack to trick any editors that have f open that # we haven't modified them. # # Also note that this racy as an editor could # notice the file's mtime before we've finished # writing it. shutil.copystat(tmpname, repo.wjoin(realname)) os.unlink(tmpname) if tobackup: os.rmdir(backupdir) except OSError: pass # wrap ui.write so diff output can be labeled/colorized def wrapwrite(orig, *args, **kw): label = kw.pop('label', '') for chunk, l in patch.difflabel(lambda: args): orig(chunk, label=label + l) oldwrite = ui.write extensions.wrapfunction(ui, 'write', wrapwrite) try: return cmdutil.commit(ui, repo, recordfunc, pats, opts) finally: ui.write = oldwrite def uisetup(ui): try: mq = extensions.find('mq') except KeyError: return cmdtable["qrecord"] = \ (qrecord, # same options as qnew, but copy them so we don't get # -i/--interactive for qrecord and add white space diff options mq.cmdtable['^qnew'][1][:] + commands.diffwsopts, _('hg qrecord [OPTION]... PATCH [FILE]...')) _wrapcmd('qnew', mq.cmdtable, qnew, _("interactively record a new patch")) _wrapcmd('qrefresh', mq.cmdtable, qrefresh, _("interactively select changes to refresh")) def _wrapcmd(cmd, table, wrapfn, msg): entry = extensions.wrapcommand(table, cmd, wrapfn) entry[1].append(('i', 'interactive', None, msg))