1 files changed, 142 insertions, 0 deletions

diff --git a/bitbake-dev/lib/bb/fetch/git.py b/bitbake-dev/lib/bb/fetch/git.py
new file mode 100644
index 0000000000..f4ae724f87
--- /dev/null
+++ b/bitbake-dev/lib/bb/fetch/git.py
@@ -0,0 +1,142 @@
+# ex:ts=4:sw=4:sts=4:et
+# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
+"""
+BitBake 'Fetch' git implementation
+
+"""
+
+#Copyright (C) 2005 Richard Purdie
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+import os, re
+import bb
+from   bb    import data
+from   bb.fetch import Fetch
+from   bb.fetch import FetchError
+from   bb.fetch import runfetchcmd
+
+def prunedir(topdir):
+    # Delete everything reachable from the directory named in 'topdir'.
+    # CAUTION:  This is dangerous!
+    for root, dirs, files in os.walk(topdir, topdown=False):
+        for name in files:
+            os.remove(os.path.join(root, name))
+        for name in dirs:
+            os.rmdir(os.path.join(root, name))
+
+class Git(Fetch):
+    """Class to fetch a module or modules from git repositories"""
+    def supports(self, url, ud, d):
+        """
+        Check to see if a given url can be fetched with git.
+        """
+        return ud.type in ['git']
+
+    def localpath(self, url, ud, d):
+
+        ud.proto = "rsync"
+        if 'protocol' in ud.parm:
+            ud.proto = ud.parm['protocol']
+
+        ud.branch = ud.parm.get("branch", "master")
+
+        tag = Fetch.srcrev_internal_helper(ud, d)
+        if tag is True:
+            ud.tag = self.latest_revision(url, ud, d)   
+        elif tag:
+            ud.tag = tag
+
+        if not ud.tag:
+            ud.tag = self.latest_revision(url, ud, d)   
+
+        if ud.tag == "master":
+            ud.tag = self.latest_revision(url, ud, d)
+
+        ud.localfile = data.expand('git_%s%s_%s.tar.gz' % (ud.host, ud.path.replace('/', '.'), ud.tag), d)
+
+        return os.path.join(data.getVar("DL_DIR", d, True), ud.localfile)
+
+    def go(self, loc, ud, d):
+        """Fetch url"""
+
+        if Fetch.try_mirror(d, ud.localfile):
+            bb.msg.debug(1, bb.msg.domain.Fetcher, "%s already exists (or was stashed). Skipping git checkout." % ud.localpath)
+            return
+
+        gitsrcname = '%s%s' % (ud.host, ud.path.replace('/', '.'))
+
+        repofilename = 'git_%s.tar.gz' % (gitsrcname)
+        repofile = os.path.join(data.getVar("DL_DIR", d, 1), repofilename)
+        repodir = os.path.join(data.expand('${GITDIR}', d), gitsrcname)
+
+        coname = '%s' % (ud.tag)
+        codir = os.path.join(repodir, coname)
+
+        if not os.path.exists(repodir):
+            if Fetch.try_mirror(d, repofilename):    
+                bb.mkdirhier(repodir)
+                os.chdir(repodir)
+                runfetchcmd("tar -xzf %s" % (repofile), d)
+            else:
+                runfetchcmd("git clone -n %s://%s%s %s" % (ud.proto, ud.host, ud.path, repodir), d)
+
+        os.chdir(repodir)
+        # Remove all but the .git directory
+        runfetchcmd("rm * -Rf", d)
+        runfetchcmd("git fetch %s://%s%s %s" % (ud.proto, ud.host, ud.path, ud.branch), d)
+        runfetchcmd("git fetch --tags %s://%s%s" % (ud.proto, ud.host, ud.path), d)
+        runfetchcmd("git prune-packed", d)
+        runfetchcmd("git pack-redundant --all | xargs -r rm", d)
+
+        os.chdir(repodir)
+        mirror_tarballs = data.getVar("BB_GENERATE_MIRROR_TARBALLS", d, True)
+        if mirror_tarballs != "0": 
+            bb.msg.note(1, bb.msg.domain.Fetcher, "Creating tarball of git repository")
+            runfetchcmd("tar -czf %s %s" % (repofile, os.path.join(".", ".git", "*") ), d)
+
+        if os.path.exists(codir):
+            prunedir(codir)
+
+        bb.mkdirhier(codir)
+        os.chdir(repodir)
+        runfetchcmd("git read-tree %s" % (ud.tag), d)
+        runfetchcmd("git checkout-index -q -f --prefix=%s -a" % (os.path.join(codir, "git", "")), d)
+
+        os.chdir(codir)
+        bb.msg.note(1, bb.msg.domain.Fetcher, "Creating tarball of git checkout")
+        runfetchcmd("tar -czf %s %s" % (ud.localpath, os.path.join(".", "*") ), d)
+
+        os.chdir(repodir)
+        prunedir(codir)
+
+    def suppports_srcrev(self):
+        return True
+
+    def _revision_key(self, url, ud, d):
+        """
+        Return a unique key for the url
+        """
+        return "git:" + ud.host + ud.path.replace('/', '.')
+
+    def _latest_revision(self, url, ud, d):
+        """
+        Compute the HEAD revision for the url
+        """
+        output = runfetchcmd("git ls-remote %s://%s%s %s" % (ud.proto, ud.host, ud.path, ud.branch), d, True)
+        return output.split()[0]
+
+    def _build_revision(self, url, ud, d):
+        return ud.tag
+