xref: /openbmc/openbmc/poky/bitbake/lib/bb/fetch2/bzr.py (revision ac69b488)
1"""
2BitBake 'Fetch' implementation for bzr.
3
4"""
5
6# Copyright (C) 2007 Ross Burton
7# Copyright (C) 2007 Richard Purdie
8#
9#   Classes for obtaining upstream sources for the
10#   BitBake build tools.
11#   Copyright (C) 2003, 2004  Chris Larson
12#
13# SPDX-License-Identifier: GPL-2.0-only
14#
15
16import os
17import bb
18from bb.fetch2 import FetchMethod
19from bb.fetch2 import FetchError
20from bb.fetch2 import runfetchcmd
21from bb.fetch2 import logger
22
23class Bzr(FetchMethod):
24    def supports(self, ud, d):
25        return ud.type in ['bzr']
26
27    def urldata_init(self, ud, d):
28        """
29        init bzr specific variable within url data
30        """
31        # Create paths to bzr checkouts
32        bzrdir = d.getVar("BZRDIR") or (d.getVar("DL_DIR") + "/bzr")
33        relpath = self._strip_leading_slashes(ud.path)
34        ud.pkgdir = os.path.join(bzrdir, ud.host, relpath)
35
36        ud.setup_revisions(d)
37
38        if not ud.revision:
39            ud.revision = self.latest_revision(ud, d)
40
41        ud.localfile = d.expand('bzr_%s_%s_%s.tar.gz' % (ud.host, ud.path.replace('/', '.'), ud.revision))
42
43    def _buildbzrcommand(self, ud, d, command):
44        """
45        Build up an bzr commandline based on ud
46        command is "fetch", "update", "revno"
47        """
48
49        basecmd = d.getVar("FETCHCMD_bzr") or "/usr/bin/env bzr"
50
51        proto =  ud.parm.get('protocol', 'http')
52
53        bzrroot = ud.host + ud.path
54
55        options = []
56
57        if command == "revno":
58            bzrcmd = "%s revno %s %s://%s" % (basecmd, " ".join(options), proto, bzrroot)
59        else:
60            if ud.revision:
61                options.append("-r %s" % ud.revision)
62
63            if command == "fetch":
64                bzrcmd = "%s branch %s %s://%s" % (basecmd, " ".join(options), proto, bzrroot)
65            elif command == "update":
66                bzrcmd = "%s pull %s --overwrite" % (basecmd, " ".join(options))
67            else:
68                raise FetchError("Invalid bzr command %s" % command, ud.url)
69
70        return bzrcmd
71
72    def download(self, ud, d):
73        """Fetch url"""
74
75        if os.access(os.path.join(ud.pkgdir, os.path.basename(ud.pkgdir), '.bzr'), os.R_OK):
76            bzrcmd = self._buildbzrcommand(ud, d, "update")
77            logger.debug("BZR Update %s", ud.url)
78            bb.fetch2.check_network_access(d, bzrcmd, ud.url)
79            runfetchcmd(bzrcmd, d, workdir=os.path.join(ud.pkgdir, os.path.basename(ud.path)))
80        else:
81            bb.utils.remove(os.path.join(ud.pkgdir, os.path.basename(ud.pkgdir)), True)
82            bzrcmd = self._buildbzrcommand(ud, d, "fetch")
83            bb.fetch2.check_network_access(d, bzrcmd, ud.url)
84            logger.debug("BZR Checkout %s", ud.url)
85            bb.utils.mkdirhier(ud.pkgdir)
86            logger.debug("Running %s", bzrcmd)
87            runfetchcmd(bzrcmd, d, workdir=ud.pkgdir)
88
89        scmdata = ud.parm.get("scmdata", "")
90        if scmdata == "keep":
91            tar_flags = ""
92        else:
93            tar_flags = "--exclude='.bzr' --exclude='.bzrtags'"
94
95        # tar them up to a defined filename
96        runfetchcmd("tar %s -czf %s %s" % (tar_flags, ud.localpath, os.path.basename(ud.pkgdir)),
97                    d, cleanup=[ud.localpath], workdir=ud.pkgdir)
98
99    def supports_srcrev(self):
100        return True
101
102    def _revision_key(self, ud, d, name):
103        """
104        Return a unique key for the url
105        """
106        return "bzr:" + ud.pkgdir
107
108    def _latest_revision(self, ud, d, name):
109        """
110        Return the latest upstream revision number
111        """
112        logger.debug2("BZR fetcher hitting network for %s", ud.url)
113
114        bb.fetch2.check_network_access(d, self._buildbzrcommand(ud, d, "revno"), ud.url)
115
116        output = runfetchcmd(self._buildbzrcommand(ud, d, "revno"), d, True)
117
118        return output.strip()
119
120    def sortable_revision(self, ud, d, name):
121        """
122        Return a sortable revision number which in our case is the revision number
123        """
124
125        return False, self._build_revision(ud, d)
126
127    def _build_revision(self, ud, d):
128        return ud.revision
129