comparison mercurial/version.py @ 425:719663b7f235

remember_version() only writes version if called in a Mercurial repository.

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remember_version() only writes version if called in a Mercurial repository.
forget_version() resets version only if remember_version() wrote it.

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424:9294dce4b633

import os.path
import re
import time

unknown_version = 'unknown'

def get_version():
    """Return version information if available."""
    try:
        from mercurial.__version__ import version

    f.write("version = %r\n" % version)
    f.close()

def remember_version():
    """Store version information."""
    f = os.popen("hg identify 2>/dev/null")  # use real hg installation
    ident = f.read()[:-1]
    if not f.close() and ident:
        ids = ident.split(' ', 1)
        version = ids.pop(0)
        if version[-1] == '+':
            version = version[:-1]
            modified = True
        else:
            modified = False
        if version.isalnum() and ids:
            for tag in ids[0].split('/'):
                # is a tag is suitable as a version number?
                if re.match(r'^(\d+\.)+[\w.-]+$', tag):
                    version = tag
                    break
        if modified:
            version += time.strftime('+%Y%m%d')
    else:
        version = unknown_version
    write_version(version)

def forget_version():
    """Remove version information."""
    write_version(unknown_version)

425:719663b7f235

import os.path
import re
import time

unknown_version = 'unknown'
remembered_version = False

def get_version():
    """Return version information if available."""
    try:
        from mercurial.__version__ import version

    f.write("version = %r\n" % version)
    f.close()

def remember_version():
    """Store version information."""
    global remembered_version
    if os.access(".hg", os.F_OK):
        f = os.popen("hg identify 2>/dev/null")  # use real hg installation
        ident = f.read()[:-1]
        if not f.close() and ident:
            ids = ident.split(' ', 1)
            version = ids.pop(0)
            if version[-1] == '+':
                version = version[:-1]
                modified = True
            else:
                modified = False
            if version.isalnum() and ids:
                for tag in ids[0].split('/'):
                    # is a tag is suitable as a version number?
                    if re.match(r'^(\d+\.)+[\w.-]+$', tag):
                        version = tag
                        break
            if modified:
                version += time.strftime('+%Y%m%d')
            remembered_version = True
            write_version(version)

def forget_version():
    """Remove version information."""
    if remembered_version:
        write_version(unknown_version)