mirror of
https://git.yoctoproject.org/poky
synced 2026-02-09 02:03:04 +01:00
0737552c1d
This patch serves two purposes. Firstly it unifies the concept of mirrors into PREMIRRORS and MIRRORS. PREMIRRORS are tried before the SRC_URI defined in the recipe whereas MIRRORS are tried only if that fails. The tarball stash was conceptually inline with a PREMIRROR only with special handling within the wget fetcher and therefore only worked with certain fetch types. Secondly the patch removes the need for individual fetch implementations to worry about mirror handling. With this patch, the base fetch implementation will first try to use a PREMIRROR to fetch the desired object, if this fails the native fetch method for the object will be tried and if this fails will try to fetch a copy from one of the MIRRORS. Signed-off-by: Joshua Lock <josh@linux.intel.com>
214 lines
7.3 KiB
Python
214 lines
7.3 KiB
Python
# ex:ts=4:sw=4:sts=4:et
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# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
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"""
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BitBake 'Fetch' git implementation
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"""
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#Copyright (C) 2005 Richard Purdie
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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import os
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import bb
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from bb import data
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from bb.fetch import Fetch
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from bb.fetch import runfetchcmd
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class Git(Fetch):
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"""Class to fetch a module or modules from git repositories"""
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def init(self, d):
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#
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# Only enable _sortable revision if the key is set
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#
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if bb.data.getVar("BB_GIT_CLONE_FOR_SRCREV", d, True):
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self._sortable_buildindex = self._sortable_buildindex_disabled
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def supports(self, url, ud, d):
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"""
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Check to see if a given url can be fetched with git.
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"""
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return ud.type in ['git']
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def localpath(self, url, ud, d):
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if 'protocol' in ud.parm:
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ud.proto = ud.parm['protocol']
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elif not ud.host:
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ud.proto = 'file'
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else:
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ud.proto = "rsync"
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ud.branch = ud.parm.get("branch", "master")
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gitsrcname = '%s%s' % (ud.host, ud.path.replace('/', '.'))
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ud.mirrortarball = 'git_%s.tar.gz' % (gitsrcname)
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ud.clonedir = os.path.join(data.expand('${GITDIR}', d), gitsrcname)
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tag = Fetch.srcrev_internal_helper(ud, d)
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if tag is True:
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ud.tag = self.latest_revision(url, ud, d)
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elif tag:
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ud.tag = tag
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if not ud.tag or ud.tag == "master":
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ud.tag = self.latest_revision(url, ud, d)
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subdir = ud.parm.get("subpath", "")
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if subdir != "":
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if subdir.endswith("/"):
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subdir = subdir[:-1]
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subdirpath = os.path.join(ud.path, subdir);
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else:
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subdirpath = ud.path;
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if 'fullclone' in ud.parm:
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ud.localfile = ud.mirrortarball
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else:
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ud.localfile = data.expand('git_%s%s_%s.tar.gz' % (ud.host, subdirpath.replace('/', '.'), ud.tag), d)
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return os.path.join(data.getVar("DL_DIR", d, True), ud.localfile)
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def go(self, loc, ud, d):
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"""Fetch url"""
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if ud.user:
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username = ud.user + '@'
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else:
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username = ""
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repofile = os.path.join(data.getVar("DL_DIR", d, 1), ud.mirrortarball)
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coname = '%s' % (ud.tag)
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codir = os.path.join(ud.clonedir, coname)
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if not os.path.exists(ud.clonedir):
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try:
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Fetch.try_mirrors(ud.mirrortarball)
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bb.mkdirhier(ud.clonedir)
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os.chdir(ud.clonedir)
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runfetchcmd("tar -xzf %s" % (repofile), d)
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except:
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runfetchcmd("git clone -n %s://%s%s%s %s" % (ud.proto, username, ud.host, ud.path, ud.clonedir), d)
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os.chdir(ud.clonedir)
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# Remove all but the .git directory
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if not self._contains_ref(ud.tag, d):
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runfetchcmd("rm * -Rf", d)
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runfetchcmd("git fetch %s://%s%s%s %s" % (ud.proto, username, ud.host, ud.path, ud.branch), d)
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runfetchcmd("git fetch --tags %s://%s%s%s" % (ud.proto, username, ud.host, ud.path), d)
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runfetchcmd("git prune-packed", d)
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runfetchcmd("git pack-redundant --all | xargs -r rm", d)
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os.chdir(ud.clonedir)
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mirror_tarballs = data.getVar("BB_GENERATE_MIRROR_TARBALLS", d, True)
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if mirror_tarballs != "0" or 'fullclone' in ud.parm:
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bb.msg.note(1, bb.msg.domain.Fetcher, "Creating tarball of git repository")
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runfetchcmd("tar -czf %s %s" % (repofile, os.path.join(".", ".git", "*") ), d)
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if 'fullclone' in ud.parm:
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return
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if os.path.exists(codir):
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bb.utils.prunedir(codir)
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subdir = ud.parm.get("subpath", "")
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if subdir != "":
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if subdir.endswith("/"):
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subdirbase = os.path.basename(subdir[:-1])
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else:
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subdirbase = os.path.basename(subdir)
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else:
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subdirbase = ""
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if subdir != "":
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readpathspec = ":%s" % (subdir)
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codir = os.path.join(codir, "git")
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coprefix = os.path.join(codir, subdirbase, "")
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else:
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readpathspec = ""
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coprefix = os.path.join(codir, "git", "")
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bb.mkdirhier(codir)
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os.chdir(ud.clonedir)
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runfetchcmd("git read-tree %s%s" % (ud.tag, readpathspec), d)
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runfetchcmd("git checkout-index -q -f --prefix=%s -a" % (coprefix), d)
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os.chdir(codir)
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bb.msg.note(1, bb.msg.domain.Fetcher, "Creating tarball of git checkout")
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runfetchcmd("tar -czf %s %s" % (ud.localpath, os.path.join(".", "*") ), d)
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os.chdir(ud.clonedir)
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bb.utils.prunedir(codir)
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def suppports_srcrev(self):
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return True
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def _contains_ref(self, tag, d):
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output = runfetchcmd("git log --pretty=oneline -n 1 %s -- 2> /dev/null | wc -l" % tag, d, quiet=True)
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return output.split()[0] != "0"
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def _revision_key(self, url, ud, d):
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"""
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Return a unique key for the url
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"""
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return "git:" + ud.host + ud.path.replace('/', '.')
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def _latest_revision(self, url, ud, d):
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"""
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Compute the HEAD revision for the url
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"""
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if ud.user:
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username = ud.user + '@'
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else:
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username = ""
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cmd = "git ls-remote %s://%s%s%s %s" % (ud.proto, username, ud.host, ud.path, ud.branch)
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output = runfetchcmd(cmd, d, True)
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if not output:
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raise bb.fetch.FetchError("Fetch command %s gave empty output\n" % (cmd))
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return output.split()[0]
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def _build_revision(self, url, ud, d):
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return ud.tag
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def _sortable_buildindex_disabled(self, url, ud, d, rev):
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"""
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Return a suitable buildindex for the revision specified. This is done by counting revisions
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using "git rev-list" which may or may not work in different circumstances.
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"""
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cwd = os.getcwd()
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# Check if we have the rev already
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if not os.path.exists(ud.clonedir):
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print "no repo"
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self.go(None, ud, d)
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if not os.path.exists(ud.clonedir):
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bb.msg.error(bb.msg.domain.Fetcher, "GIT repository for %s doesn't exist in %s, cannot get sortable buildnumber, using old value" % (url, ud.clonedir))
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return None
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os.chdir(ud.clonedir)
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if not self._contains_ref(rev, d):
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self.go(None, ud, d)
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output = runfetchcmd("git rev-list %s -- 2> /dev/null | wc -l" % rev, d, quiet=True)
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os.chdir(cwd)
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buildindex = "%s" % output.split()[0]
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bb.msg.debug(1, bb.msg.domain.Fetcher, "GIT repository for %s in %s is returning %s revisions in rev-list before %s" % (url, ud.clonedir, buildindex, rev))
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return buildindex
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