1 files changed, 165 insertions, 0 deletions

diff --git a/bitbake/lib/bb/fetch/git.py b/bitbake/lib/bb/fetch/git.py
new file mode 100644
index 0000000000..296b926392
--- /dev/null
+++ b/bitbake/lib/bb/fetch/git.py
@@ -0,0 +1,165 @@
+#!/usr/bin/env python
+# 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 as published by the Free Software
+Foundation; either version 2 of the License, or (at your option) any later
+version.
+
+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., 59 Temple
+Place, Suite 330, Boston, MA 02111-1307 USA. 
+"""
+
+import os, re
+import bb
+from   bb    import data
+from   bb.fetch import Fetch
+from   bb.fetch import FetchError
+
+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))
+
+def rungitcmd(cmd,d):
+
+    bb.debug(1, "Running %s" % cmd)
+
+    # Need to export PATH as git is likely to be in metadata paths 
+    # rather than host provided
+    pathcmd = 'export PATH=%s; %s' % (data.expand('${PATH}', d), cmd)
+
+    myret = os.system(pathcmd)
+
+    if myret != 0:
+        raise FetchError("Git: %s failed" % pathcmd)
+
+def gettag(parm):
+    if 'tag' in parm:
+        tag = parm['tag']
+    else:
+        tag = ""
+    if not tag:
+        tag = "master"
+
+    return tag
+
+class Git(Fetch):
+    """Class to fetch a module or modules from git repositories"""
+    def supports(url, d):
+        """Check to see if a given url can be fetched with cvs.
+           Expects supplied url in list form, as outputted by bb.decodeurl().
+        """
+        (type, host, path, user, pswd, parm) = bb.decodeurl(data.expand(url, d))
+        return type in ['git']
+    supports = staticmethod(supports)
+
+    def localpath(url, d):
+        (type, host, path, user, pswd, parm) = bb.decodeurl(data.expand(url, d))
+
+        #if user sets localpath for file, use it instead.
+        if "localpath" in parm:
+            return parm["localpath"]
+
+        tag = gettag(parm)
+
+        localname = data.expand('git_%s%s_%s.tar.gz' % (host, path.replace('/', '.'), tag), d)
+
+        return os.path.join(data.getVar("DL_DIR", d, 1),data.expand('%s' % (localname), d))
+
+    localpath = staticmethod(localpath)
+
+    def go(self, d, urls = []):
+        """Fetch urls"""
+        if not urls:
+            urls = self.urls
+
+        for loc in urls:
+            (type, host, path, user, pswd, parm) = bb.decodeurl(data.expand(loc, d))
+
+            tag = gettag(parm)
+
+            gitsrcname = '%s%s' % (host, path.replace('/', '.'))
+
+            repofile = os.path.join(data.getVar("DL_DIR", d, 1), 'git_%s.tar.gz' % (gitsrcname))
+            repodir = os.path.join(data.expand('${GITDIR}', d), gitsrcname)
+
+            coname = '%s' % (tag)
+            codir = os.path.join(repodir, coname)
+
+            cofile = self.localpath(loc, d)
+
+            # Always update to current if tag=="master"
+            #if os.access(cofile, os.R_OK) and (tag != "master"):
+            if os.access(cofile, os.R_OK):
+                bb.debug(1, "%s already exists, skipping git checkout." % cofile)
+                continue
+
+# Still Need to add GIT_TARBALL_STASH Support...
+#            pn = data.getVar('PN', d, 1)
+#            cvs_tarball_stash = None
+#            if pn:
+#                cvs_tarball_stash = data.getVar('CVS_TARBALL_STASH_%s' % pn, d, 1)
+#            if cvs_tarball_stash == None:
+#                cvs_tarball_stash = data.getVar('CVS_TARBALL_STASH', d, 1)
+#            if cvs_tarball_stash:
+#                fetchcmd = data.getVar("FETCHCOMMAND_wget", d, 1)
+#                uri = cvs_tarball_stash + tarfn
+#                bb.note("fetch " + uri)
+#                fetchcmd = fetchcmd.replace("${URI}", uri)
+#                ret = os.system(fetchcmd)
+#                if ret == 0:
+#                    bb.note("Fetched %s from tarball stash, skipping checkout" % tarfn)
+#                    continue
+         
+            #if os.path.exists(repodir):
+                #prunedir(repodir)
+
+            bb.mkdirhier(repodir)
+            os.chdir(repodir)
+
+            #print("Changing to %s" % repodir)
+
+            if os.access(repofile, os.R_OK):
+                rungitcmd("tar -xzf %s" % (repofile),d)
+            else:
+                rungitcmd("git clone rsync://%s%s %s" % (host, path, repodir),d)
+
+            rungitcmd("rsync -a --verbose --stats --progress rsync://%s%s/ %s" % (host, path, os.path.join(repodir, ".git", "")),d)
+
+            #print("Changing to %s" % repodir)
+            os.chdir(repodir)
+            rungitcmd("git pull rsync://%s%s" % (host, path),d)
+
+            #print("Changing to %s" % repodir)
+            os.chdir(repodir)
+            rungitcmd("tar -czf %s %s" % (repofile, os.path.join(".", ".git", "*") ),d)
+
+            if os.path.exists(codir):
+                prunedir(codir)
+
+            #print("Changing to %s" % repodir)
+            bb.mkdirhier(codir)
+            os.chdir(repodir)
+            rungitcmd("git read-tree %s" % (tag),d)
+
+            rungitcmd("git checkout-index -q -f --prefix=%s -a" % (os.path.join(codir, "git", "")),d)
+
+            #print("Changing to %s" % codir)
+            os.chdir(codir)
+            rungitcmd("tar -czf %s %s" % (cofile, os.path.join(".", "*") ),d)
+