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[ostree/wip/ostbuild-v2: 8/10] ostbuild: Lots more

commit a101572f93f448671af0d10e49e3726f0971a133
Author: Colin Walters <walters verbum org>
Date:   Tue May 1 16:45:34 2012 -0400

    ostbuild: Lots more

 Makefile-ostbuild.am                               |    1 +
 src/ostbuild/pyostbuild/builtin_branch_prefix.py   |    4 +-
 .../pyostbuild/builtin_build_components.py         |    2 +-
 src/ostbuild/pyostbuild/builtin_checkout.py        |    4 +-
 src/ostbuild/pyostbuild/builtin_resolve.py         |    1 -
 .../pyostbuild/builtin_shadow_repo_init.py         |   52 ++++++++++++++++++++
 src/ostbuild/pyostbuild/builtins.py                |   19 ++++++--
 src/ostbuild/pyostbuild/jsondb.py                  |    1 +
 src/ostbuild/pyostbuild/main.py                    |    1 +
 src/ostbuild/pyostbuild/vcs.py                     |    5 ++-
 10 files changed, 81 insertions(+), 9 deletions(-)
---
diff --git a/Makefile-ostbuild.am b/Makefile-ostbuild.am
index 21ec7b4..15b53c9 100644
--- a/Makefile-ostbuild.am
+++ b/Makefile-ostbuild.am
@@ -34,6 +34,7 @@ pyostbuild_PYTHON =					\
 	src/ostbuild/pyostbuild/builtin_resolve.py	\
 	src/ostbuild/pyostbuild/builtin_modify_snapshot.py	\
 	src/ostbuild/pyostbuild/builtin_tree_to_bin.py	\
+	src/ostbuild/pyostbuild/builtin_shadow_repo_init.py	\
 	src/ostbuild/pyostbuild/builtin_status.py	\
 	src/ostbuild/pyostbuild/builtins.py		\
 	src/ostbuild/pyostbuild/filemonitor.py		\
diff --git a/src/ostbuild/pyostbuild/builtin_branch_prefix.py b/src/ostbuild/pyostbuild/builtin_branch_prefix.py
index 5aaf939..81dcd07 100755
--- a/src/ostbuild/pyostbuild/builtin_branch_prefix.py
+++ b/src/ostbuild/pyostbuild/builtin_branch_prefix.py
@@ -63,7 +63,9 @@ class OstbuildBranchPrefix(builtins.Builtin):
                 fatal("Mismatched name %r in snapshot" % (name, ))
             target['name'] = name.replace(orig_prefix, args.newprefix)
         
-        db.store(forked_snapshot)
+        path = db.store(forked_snapshot)
+
+        log("Saved %r" % (path, ))
 
         run_sync(['ostbuild', 'prefix', args.newprefix],
                  log_initiation=False, log_success=False)
diff --git a/src/ostbuild/pyostbuild/builtin_build_components.py b/src/ostbuild/pyostbuild/builtin_build_components.py
index 5e35c0f..af1ba7c 100755
--- a/src/ostbuild/pyostbuild/builtin_build_components.py
+++ b/src/ostbuild/pyostbuild/builtin_build_components.py
@@ -95,7 +95,7 @@ class OstbuildBuildComponents(builtins.Builtin):
         else:
             log("No previous build for '%s' found" % (name, ))
 
-        checkoutdir = os.path.join(self.workdir, 'src')
+        checkoutdir = os.path.join(self.workdir, 'checkouts')
         component_src = os.path.join(checkoutdir, basename)
         run_sync(['ostbuild', 'checkout', '--snapshot=' + self.snapshot_path,
                   '--clean', '--overwrite', basename], cwd=checkoutdir)
diff --git a/src/ostbuild/pyostbuild/builtin_checkout.py b/src/ostbuild/pyostbuild/builtin_checkout.py
index 27281be..f9cba41 100755
--- a/src/ostbuild/pyostbuild/builtin_checkout.py
+++ b/src/ostbuild/pyostbuild/builtin_checkout.py
@@ -72,8 +72,10 @@ class OstbuildCheckout(builtins.Builtin):
 
             if is_dirty:
                 # Kind of a hack, but...
-                if os.path.lexists(checkoutdir):
+                if os.path.islink(checkoutdir):
                     os.unlink(checkoutdir)
+                if args.overwrite and os.path.isdir(checkoutdir):
+                    shutil.rmtree(checkoutdir)
                 os.symlink(uri, checkoutdir)
             else:
                 vcs.get_vcs_checkout(self.mirrordir, keytype, uri, checkoutdir,
diff --git a/src/ostbuild/pyostbuild/builtin_resolve.py b/src/ostbuild/pyostbuild/builtin_resolve.py
index fc7ca62..2c39b05 100755
--- a/src/ostbuild/pyostbuild/builtin_resolve.py
+++ b/src/ostbuild/pyostbuild/builtin_resolve.py
@@ -139,7 +139,6 @@ class OstbuildResolve(builtins.Builtin):
         self.args = args
         
         self.parse_config()
-        self.repo = ostbuildrc.get_key('repo')
 
         self.manifest = json.load(open(args.manifest))
         self.prefix = self.manifest['prefix']
diff --git a/src/ostbuild/pyostbuild/builtin_shadow_repo_init.py b/src/ostbuild/pyostbuild/builtin_shadow_repo_init.py
new file mode 100755
index 0000000..03211d2
--- /dev/null
+++ b/src/ostbuild/pyostbuild/builtin_shadow_repo_init.py
@@ -0,0 +1,52 @@
+# Copyright (C) 2012 Colin Walters <walters verbum org>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2 of the License, or (at your option) any later version.
+#
+# This library 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+import os,sys,stat,subprocess,tempfile,re,shutil
+from StringIO import StringIO
+import json
+import select,time
+import argparse
+
+from . import builtins
+from .ostbuildlog import log, fatal
+from . import fileutil
+from .subprocess_helpers import run_sync, run_sync_get_output
+
+class OstbuildShadowRepoInit(builtins.Builtin):
+    name = "shadow-repo-init"
+    short_description = "Initialize a user-mode shadow repository for /ostree/repo"
+
+    def __init__(self):
+        builtins.Builtin.__init__(self)
+
+    def execute(self, argv):
+        parser = argparse.ArgumentParser(description=self.short_description)
+
+        args = parser.parse_args(argv)
+        
+        self.parse_config()
+
+        path = os.path.join(self.workdir, 'shadow-repo')
+        fileutil.ensure_dir(path)
+        if os.path.isdir(os.path.join(path, 'objects')):
+            log("Shadow repository '%s' appears to already exist" % (path, ))
+        else:
+            run_sync(['ostree', '--repo=' + path, 'init', '--archive'])
+            run_sync(['ostree', '--repo=' + path, 'config', 'set', 'core.parent', '/ostree/repo'])
+            log("Created shadow repository: %s" % (path, ))
+    
+builtins.register(OstbuildShadowRepoInit)
diff --git a/src/ostbuild/pyostbuild/builtins.py b/src/ostbuild/pyostbuild/builtins.py
index 4c3f502..949f532 100755
--- a/src/ostbuild/pyostbuild/builtins.py
+++ b/src/ostbuild/pyostbuild/builtins.py
@@ -169,10 +169,21 @@ class Builtin(object):
             self._bin_snapshots = self.create_db('bin-snapshot')
         return self._bin_snapshots
 
+    def _init_repo(self):
+        repo = ostbuildrc.get_key('repo', default=None)
+        if repo is not None:
+            self.repo = repo
+        else:
+            shadow_path = os.path.join(self.workdir, 'shadow-repo')
+            if os.path.isdir(shadow_path):
+                self.repo = shadow_path
+            else:
+                fatal("No repository configured, and shadow-repo not found.  Use \"ostbuild shadow-repo-init\" to make one")
+
     def parse_snapshot(self, prefix, path):
         if prefix is not None:
             self.prefix = prefix
-        self.repo = ostbuildrc.get_key('repo')
+        self._init_repo()
         if path is None:
             latest_path = self.get_src_snapshot_db().get_latest_path()
             if latest_path is None:
@@ -183,12 +194,12 @@ class Builtin(object):
         self.snapshot = json.load(open(self.snapshot_path))
         src_ver = self.snapshot['00ostree-src-snapshot-version']
         if src_ver != 0:
-            fatal("Unhandled 00ostree-src-snapshot-version \"%d\", expected 0", src_ver)
+            fatal("Unhandled 00ostree-src-snapshot-version \"%d\", expected 0" % (src_ver, ))
 
     def parse_bin_snapshot(self, prefix, path):
         if prefix is not None:
             self.prefix = prefix
-        self.repo = ostbuildrc.get_key('repo')
+        self._init_repo()
         if path is None:
             latest_path = self.get_bin_snapshot_db().get_latest_path()
             if latest_path is None:
@@ -199,7 +210,7 @@ class Builtin(object):
         self.bin_snapshot = json.load(open(self.bin_snapshot_path))
         bin_ver = self.bin_snapshot['00ostree-bin-snapshot-version']
         if bin_ver != 0:
-            fatal("Unhandled 00ostree-bin-snapshot-version \"%d\", expected 0", bin_ver)
+            fatal("Unhandled 00ostree-bin-snapshot-version \"%d\", expected 0" % (bin_ver, ))
 
     def execute(self, args):
         raise NotImplementedError()
diff --git a/src/ostbuild/pyostbuild/jsondb.py b/src/ostbuild/pyostbuild/jsondb.py
index 6d7906e..810103d 100644
--- a/src/ostbuild/pyostbuild/jsondb.py
+++ b/src/ostbuild/pyostbuild/jsondb.py
@@ -97,6 +97,7 @@ class JsonDB(object):
         
         if latest is not None:
             if digest == latest[2]:
+                os.unlink(tmppath)
                 return latest[3]
             latest_version = (latest[0], latest[1])
         else:
diff --git a/src/ostbuild/pyostbuild/main.py b/src/ostbuild/pyostbuild/main.py
index 2a60f85..507cb1e 100755
--- a/src/ostbuild/pyostbuild/main.py
+++ b/src/ostbuild/pyostbuild/main.py
@@ -34,6 +34,7 @@ from . import builtin_prefix
 from . import builtin_resolve
 from . import builtin_modify_snapshot
 from . import builtin_tree_to_bin
+from . import builtin_shadow_repo_init
 from . import builtin_status
 
 def usage(ecode):
diff --git a/src/ostbuild/pyostbuild/vcs.py b/src/ostbuild/pyostbuild/vcs.py
index 0716122..7811f5e 100755
--- a/src/ostbuild/pyostbuild/vcs.py
+++ b/src/ostbuild/pyostbuild/vcs.py
@@ -51,17 +51,20 @@ def get_vcs_checkout(mirrordir, keytype, uri, dest, branch, overwrite=True):
     tmp_dest = dest + '.tmp'
     if os.path.isdir(tmp_dest):
         shutil.rmtree(tmp_dest)
+    if os.path.islink(dest):
+        os.unlink(dest)
     if os.path.isdir(dest):
         if overwrite:
             shutil.rmtree(dest)
         else:
             tmp_dest = dest
     if not os.path.isdir(tmp_dest):
-        run_sync(['git', 'clone', '-q',
+        run_sync(['git', 'clone', '-q', '--origin', 'localmirror',
                   '--no-checkout', module_mirror, tmp_dest])
     else:
         run_sync(['git', 'fetch'], cwd=tmp_dest)
     run_sync(['git', 'checkout', '-q', branch], cwd=tmp_dest)
+    run_sync(['git', 'remote', 'add', 'upstream', uri], cwd=tmp_dest)
     run_sync(['git', 'submodule', 'init'], cwd=tmp_dest)
     have_submodules = _fixup_submodule_references(mirrordir, tmp_dest)
     if have_submodules:
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