Update fetch to support more flexible refspecs

R=machenbach@chromium.org
BUG=415464

Review URL: https://codereview.chromium.org/656623003

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@292588 0039d316-1c4b-4281-b951-d872f2087c98

fetch

@@ -5,8 +5,4 @@
 
 base_dir=$(dirname "$0")
 
-if [[ "#grep#fetch#cleanup#diff#" != *"#$1#"* ]]; then
-  "$base_dir"/update_depot_tools
-fi
-
 PYTHONDONTWRITEBYTECODE=1 exec python "$base_dir/fetch.py" "$@"

fetch.py

@@ -139,20 +139,18 @@ class GclientGitSvnCheckout(GclientGitCheckout, SvnCheckout):
 
   def __init__(self, options, spec, root):
     super(GclientGitSvnCheckout, self).__init__(options, spec, root)
-    assert 'svn_url' in self.spec
-    assert 'svn_branch' in self.spec
-    assert 'svn_ref' in self.spec
 
   def init(self):
     # Ensure we are authenticated with subversion for all submodules.
     git_svn_dirs = json.loads(self.spec.get('submodule_git_svn_spec', '{}'))
     git_svn_dirs.update({self.root: self.spec})
     for _, svn_spec in git_svn_dirs.iteritems():
-      try:
-        self.run_svn('ls', '--non-interactive', svn_spec['svn_url'])
-      except subprocess.CalledProcessError:
-        print 'Please run `svn ls %s`' % svn_spec['svn_url']
-        return 1
+      if svn_spec.get('svn_url'):
+        try:
+          self.run_svn('ls', '--non-interactive', svn_spec['svn_url'])
+        except subprocess.CalledProcessError:
+          print 'Please run `svn ls %s`' % svn_spec['svn_url']
+          return 1
 
     super(GclientGitSvnCheckout, self).init()
 
@@ -164,12 +162,17 @@ class GclientGitSvnCheckout(GclientGitCheckout, SvnCheckout):
       wd = os.path.join(self.base, real_path)
       if self.options.dry_run:
         print 'cd %s' % wd
-      prefix = svn_spec.get('svn_prefix', 'origin/')
-      self.run_git('svn', 'init', '--prefix=' + prefix, '-T',
-                   svn_spec['svn_branch'], svn_spec['svn_url'], cwd=wd)
-      self.run_git('config', '--replace', 'svn-remote.svn.fetch',
-                   svn_spec['svn_branch'] + ':refs/remotes/' + prefix +
-                   svn_spec['svn_ref'], cwd=wd)
+      if svn_spec.get('auto'):
+        self.run_git('auto-svn', cwd=wd)
+        continue
+      self.run_git('svn', 'init', svn_spec['svn_url'], cwd=wd)
+      self.run_git('config', '--unset-all', 'svn-remote.svn.fetch', cwd=wd)
+      for svn_branch, git_ref in svn_spec.get('git_svn_fetch', {}).items():
+        self.run_git('config', '--add', 'svn-remote.svn.fetch',
+                     '%s:%s' % (svn_branch, git_ref), cwd=wd)
+      for svn_branch, git_ref in svn_spec.get('git_svn_branches', {}).items():
+        self.run_git('config', '--add', 'svn-remote.svn.branches',
+                     '%s:%s' % (svn_branch, git_ref), cwd=wd)
       self.run_git('svn', 'fetch', cwd=wd)
 
 

recipes/blink.py

@@ -17,9 +17,7 @@ class Blink(recipe_util.Recipe):
   def fetch_spec(props):
     submodule_spec = {
       'third_party/WebKit': {
-        'svn_url': 'svn://svn.chromium.org/blink/trunk',
-        'svn_branch': 'trunk',
-        'svn_ref': 'master',
+        'auto': True,
       }
     }
     return {

recipes/chromium.py

@@ -31,11 +31,9 @@ class Chromium(recipe_util.Recipe):
       spec['target_os'] = props['target_os'].split(',')
     if props.get('target_os_only'):
       spec['target_os_only'] = props['target_os_only']
-    checkout_type = 'gclient_git'
-    spec_type = '%s_spec' % checkout_type
     return {
-      'type': checkout_type,
-      spec_type: spec,
+      'type': 'gclient_git',
+      'gclient_git_spec': spec,
     }
 
   @staticmethod

recipes/depot_tools.py

@@ -15,25 +15,16 @@ class DepotTools(recipe_util.Recipe):
   @staticmethod
   def fetch_spec(props):
     url = 'https://chromium.googlesource.com/chromium/tools/depot_tools.git'
-    solution = { 'name'   :'src',
-                 'url'    : url,
-                 'deps_file': '.DEPS.git',
-                 'managed'   : False,
-                 'custom_deps': {},
-                 'safesync_url': '',
+    solution = {
+        'name'        : 'depot_tools',
+        'url'         : url,
+        'deps_file'   : 'DEPS',
+        'managed'     : False,
     }
     spec = {
       'solutions': [solution],
-      'svn_url': 'svn://svn.chromium.org/chrome',
-      'svn_branch': 'trunk/tools/depot_tools',
-      'svn_ref': 'master',
+      'auto': True,
     }
-    if props.get('submodule_git_svn_spec'):
-      spec['submodule_git_svn_spec'] = props['submodule_git_svn_spec']
-    if props.get('target_os'):
-      spec['target_os'] = props['target_os'].split(',')
-    if props.get('target_os_only'):
-      spec['target_os_only'] = props['target_os_only']
     checkout_type = 'gclient_git_svn'
     if props.get('nosvn'):
       checkout_type = 'gclient_git'
@@ -45,7 +36,7 @@ class DepotTools(recipe_util.Recipe):
 
   @staticmethod
   def expected_root(_props):
-    return 'src'
+    return 'depot_tools'
 
 
 def main(argv=None):

recipes/nacl.py

@@ -16,18 +16,17 @@ class NaCl(recipe_util.Recipe):
   def fetch_spec(props):
     url = ('https://chromium.googlesource.com/native_client/'
            'src/native_client.git')
-    solution = { 'name'   :'native_client',
-                 'url'    : url,
-                 'deps_file': '.DEPS.git',
-                 'managed'   : False,
-                 'custom_deps': {},
-                 'safesync_url': '',
+    solution = {
+        'name'        : 'native_client',
+        'url'         : url,
+        'deps_file'   : '.DEPS.git',
+        'managed'     : False,
+        'custom_deps' : {},
+        'safesync_url': '',
     }
     spec = {
       'solutions': [solution],
-      'svn_url': 'svn://svn.chromium.org/native_client',
-      'svn_branch': 'trunk/src/native_client',
-      'svn_ref': 'master',
+      'auto': True
     }
     if props.get('submodule_git_svn_spec'):
       spec['submodule_git_svn_spec'] = props['submodule_git_svn_spec']

recipes/naclports.py

@@ -15,12 +15,13 @@ class Naclports(recipe_util.Recipe):
   @staticmethod
   def fetch_spec(props):
     url = 'https://chromium.googlesource.com/external/naclports.git'
-    solution = { 'name'   :'src',
-                 'url'    : url,
-                 'deps_file': 'DEPS',
-                 'managed'   : False,
-                 'custom_deps': {},
-                 'safesync_url': '',
+    solution = {
+        'name'        : 'src',
+        'url'         : url,
+        'deps_file'   : 'DEPS',
+        'managed'     : False,
+        'custom_deps' : {},
+        'safesync_url': '',
     }
     spec = {
       'solutions': [solution],

recipes/v8.py

@@ -14,20 +14,26 @@ class V8(recipe_util.Recipe):
 
   @staticmethod
   def fetch_spec(props):
-    ref = 'bleeding_edge'
-    url = 'https://chromium.googlesource.com/external/v8.git@%s' % ref
-    solution = { 'name'   :'v8',
-                 'url'    : url,
-                 'deps_file': '.DEPS.git',
-                 'managed'   : False,
-                 'custom_deps': {},
-                 'safesync_url': '',
+    url = 'https://chromium.googlesource.com/v8/v8.git'
+    solution = {
+        'name'        : 'v8',
+        'url'         : url,
+        'deps_file'   : '.DEPS.git',
+        'managed'     : False,
+        'custom_deps' : {},
+        'safesync_url': '',
     }
     spec = {
       'solutions': [solution],
+      'with_branch_heads': True,
       'svn_url': 'https://v8.googlecode.com/svn',
-      'svn_branch': 'branches/bleeding_edge',
-      'svn_ref': 'bleeding_edge',
+      'git_svn_fetch': {
+        'branches/bleeding_edge': 'refs/remotes/origin/master',
+        'trunk': 'refs/remotes/origin/candidates',
+        'branches/3.28': 'refs/remotes/branch-heads/3.28',
+        'branches/3.29': 'refs/remotes/branch-heads/3.29',
+      },
+      'git_svn_branches': {},
     }
     checkout_type = 'gclient_git_svn'
     if props.get('nosvn'):