Mercurial > hg
view mercurial/scmposix.py @ 39016:39b8277e2115
changegroup: differentiate between fulltext and diff based deltas
Previously, revisiondelta encoded a delta and an optional prefix
containing a delta header. The underlying code could populate
the delta with either a real delta or a fulltext revision.
Following the theme of wanting to defer serialization of revision
data to the changegroup format as long as possible, it seems
prudent for the revision delta instance to capture what type of
data is being represented. This could possibly allow us to
encode revision data differently in the future. But for the
short term, it makes the behavior of a revisiondelta more
explicit.
Differential Revision: https://phab.mercurial-scm.org/D4213
author | Gregory Szorc <gregory.szorc@gmail.com> |
---|---|
date | Wed, 08 Aug 2018 16:01:26 -0700 |
parents | dacfcdd8b94e |
children | 57875cf423c9 |
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from __future__ import absolute_import import array import errno import fcntl import os import sys from . import ( encoding, pycompat, util, ) # BSD 'more' escapes ANSI color sequences by default. This can be disabled by # $MORE variable, but there's no compatible option with Linux 'more'. Given # OS X is widely used and most modern Unix systems would have 'less', setting # 'less' as the default seems reasonable. fallbackpager = 'less' def _rcfiles(path): rcs = [os.path.join(path, 'hgrc')] rcdir = os.path.join(path, 'hgrc.d') try: rcs.extend([os.path.join(rcdir, f) for f, kind in util.listdir(rcdir) if f.endswith(".rc")]) except OSError: pass return rcs def systemrcpath(): path = [] if pycompat.sysplatform == 'plan9': root = 'lib/mercurial' else: root = 'etc/mercurial' # old mod_python does not set sys.argv if len(getattr(sys, 'argv', [])) > 0: p = os.path.dirname(os.path.dirname(pycompat.sysargv[0])) if p != '/': path.extend(_rcfiles(os.path.join(p, root))) path.extend(_rcfiles('/' + root)) return path def userrcpath(): if pycompat.sysplatform == 'plan9': return [encoding.environ['home'] + '/lib/hgrc'] elif pycompat.isdarwin: return [os.path.expanduser('~/.hgrc')] else: confighome = encoding.environ.get('XDG_CONFIG_HOME') if confighome is None or not os.path.isabs(confighome): confighome = os.path.expanduser('~/.config') return [os.path.expanduser('~/.hgrc'), os.path.join(confighome, 'hg', 'hgrc')] def termsize(ui): try: import termios TIOCGWINSZ = termios.TIOCGWINSZ # unavailable on IRIX (issue3449) except (AttributeError, ImportError): return 80, 24 for dev in (ui.ferr, ui.fout, ui.fin): try: try: fd = dev.fileno() except AttributeError: continue if not os.isatty(fd): continue arri = fcntl.ioctl(fd, TIOCGWINSZ, '\0' * 8) height, width = array.array(r'h', arri)[:2] if width > 0 and height > 0: return width, height except ValueError: pass except IOError as e: if e[0] == errno.EINVAL: pass else: raise return 80, 24