avoid negative variables

Trying to use booleans with names like "no_xxx" are hard to follow due
to the double negatives.  Invert all of them so we only have positive
meanings to follow.

Change-Id: Ifd37d0368f97034d94aa2cf38db52c723ac0c6ed
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/255493
Tested-by: Mike Frysinger <vapier@google.com>
Reviewed-by: David Pursehouse <dpursehouse@collab.net>
diff --git a/main.py b/main.py
index ec031a4..9846d24 100755
--- a/main.py
+++ b/main.py
@@ -108,7 +108,7 @@
                           dest='pager', action='store_true',
                           help='display command output in the pager')
 global_options.add_option('--no-pager',
-                          dest='no_pager', action='store_true',
+                          dest='pager', action='store_false',
                           help='disable the pager')
 global_options.add_option('--color',
                           choices=('auto', 'always', 'never'), default=None,
@@ -222,7 +222,7 @@
             file=sys.stderr)
       return 1
 
-    if not gopts.no_pager and not isinstance(cmd, InteractiveCommand):
+    if gopts.pager and not isinstance(cmd, InteractiveCommand):
       config = cmd.manifest.globalConfig
       if gopts.pager:
         use_pager = True
diff --git a/project.py b/project.py
index 8bef9a8..bfe4a34 100644
--- a/project.py
+++ b/project.py
@@ -1432,7 +1432,7 @@
                        current_branch_only=False,
                        force_sync=False,
                        clone_bundle=True,
-                       no_tags=False,
+                       tags=True,
                        archive=False,
                        optimized_fetch=False,
                        prune=False,
@@ -1501,9 +1501,8 @@
       elif self.manifest.default.sync_c:
         current_branch_only = True
 
-    if not no_tags:
-      if not self.sync_tags:
-        no_tags = True
+    if not self.sync_tags:
+      tags = False
 
     if self.clone_depth:
       depth = self.clone_depth
@@ -1517,7 +1516,7 @@
       if not self._RemoteFetch(
               initial=is_new, quiet=quiet, verbose=verbose, alt_dir=alt_dir,
               current_branch_only=current_branch_only,
-              no_tags=no_tags, prune=prune, depth=depth,
+              tags=tags, prune=prune, depth=depth,
               submodules=submodules, force_sync=force_sync,
               clone_filter=clone_filter):
         return False
@@ -2197,7 +2196,7 @@
                    quiet=False,
                    verbose=False,
                    alt_dir=None,
-                   no_tags=False,
+                   tags=True,
                    prune=False,
                    depth=None,
                    submodules=False,
@@ -2355,7 +2354,7 @@
 
     # If using depth then we should not get all the tags since they may
     # be outside of the depth.
-    if no_tags or depth:
+    if not tags or depth:
       cmd.append('--no-tags')
     else:
       cmd.append('--tags')
diff --git a/repo b/repo
index 7771c2d..77e7fe9 100755
--- a/repo
+++ b/repo
@@ -315,9 +315,11 @@
                    help='restrict manifest projects to ones with a specified '
                         'platform group [auto|all|none|linux|darwin|...]',
                    metavar='PLATFORM')
-  group.add_option('--no-clone-bundle', action='store_true',
+  group.add_option('--no-clone-bundle',
+                   dest='clone_bundle', default=True, action='store_false',
                    help='disable use of /clone.bundle on HTTP/HTTPS')
-  group.add_option('--no-tags', action='store_true',
+  group.add_option('--no-tags',
+                   dest='tags', default=True, action='store_false',
                    help="don't fetch tags in the manifest")
 
   # Tool.
@@ -326,7 +328,8 @@
                    help='repo repository location ($REPO_URL)')
   group.add_option('--repo-branch', metavar='REVISION',
                    help='repo branch or revision ($REPO_REV)')
-  group.add_option('--no-repo-verify', action='store_true',
+  group.add_option('--no-repo-verify',
+                   dest='repo_verify', default=True, action='store_false',
                    help='do not verify repo source code')
 
   # Other.
@@ -505,7 +508,7 @@
 
   _CheckGitVersion()
   try:
-    if opt.no_repo_verify:
+    if not opt.repo_verify:
       do_verify = False
     else:
       if NeedSetupGnuPG():
@@ -514,7 +517,7 @@
         do_verify = True
 
     dst = os.path.abspath(os.path.join(repodir, S_repo))
-    _Clone(url, dst, opt.quiet, not opt.no_clone_bundle)
+    _Clone(url, dst, opt.quiet, opt.clone_bundle)
 
     if do_verify:
       rev = _Verify(dst, branch, opt.quiet)
diff --git a/subcmds/init.py b/subcmds/init.py
index dde9728..3c68c2c 100644
--- a/subcmds/init.py
+++ b/subcmds/init.py
@@ -146,10 +146,10 @@
                       'platform group [auto|all|none|linux|darwin|...]',
                  metavar='PLATFORM')
     g.add_option('--no-clone-bundle',
-                 dest='no_clone_bundle', action='store_true',
+                 dest='clone_bundle', default=True, action='store_false',
                  help='disable use of /clone.bundle on HTTP/HTTPS')
     g.add_option('--no-tags',
-                 dest='no_tags', action='store_true',
+                 dest='tags', default=True, action='store_false',
                  help="don't fetch tags in the manifest")
 
     # Tool
@@ -161,7 +161,7 @@
                  dest='repo_branch',
                  help='repo branch or revision', metavar='REVISION')
     g.add_option('--no-repo-verify',
-                 dest='no_repo_verify', action='store_true',
+                 dest='repo_verify', default=True, action='store_false',
                  help='do not verify repo source code')
 
     # Other
@@ -281,9 +281,9 @@
       m.config.SetString('repo.submodules', 'true')
 
     if not m.Sync_NetworkHalf(is_new=is_new, quiet=opt.quiet,
-                              clone_bundle=not opt.no_clone_bundle,
+                              clone_bundle=opt.clone_bundle,
                               current_branch_only=opt.current_branch_only,
-                              no_tags=opt.no_tags, submodules=opt.submodules,
+                              tags=opt.tags, submodules=opt.submodules,
                               clone_filter=opt.clone_filter):
       r = m.GetRemote(m.remote.name)
       print('fatal: cannot obtain manifest %s' % r.url, file=sys.stderr)
diff --git a/subcmds/rebase.py b/subcmds/rebase.py
index eb92a3c..24d80bf 100644
--- a/subcmds/rebase.py
+++ b/subcmds/rebase.py
@@ -53,7 +53,7 @@
                  dest='force_rebase', action='store_true',
                  help='Pass --force-rebase to git rebase')
     p.add_option('--no-ff',
-                 dest='no_ff', action='store_true',
+                 dest='ff', default=True, action='store_false',
                  help='Pass --no-ff to git rebase')
     p.add_option('-q', '--quiet',
                  dest='quiet', action='store_true',
@@ -93,7 +93,7 @@
       common_args.append('--quiet')
     if opt.force_rebase:
       common_args.append('--force-rebase')
-    if opt.no_ff:
+    if not opt.ff:
       common_args.append('--no-ff')
     if opt.autosquash:
       common_args.append('--autosquash')
diff --git a/subcmds/selfupdate.py b/subcmds/selfupdate.py
index 4817a86..bf6256a 100644
--- a/subcmds/selfupdate.py
+++ b/subcmds/selfupdate.py
@@ -40,7 +40,7 @@
   def _Options(self, p):
     g = p.add_option_group('repo Version options')
     g.add_option('--no-repo-verify',
-                 dest='no_repo_verify', action='store_true',
+                 dest='repo_verify', default=True, action='store_false',
                  help='do not verify repo source code')
     g.add_option('--repo-upgraded',
                  dest='repo_upgraded', action='store_true',
@@ -60,5 +60,5 @@
 
       rp.bare_git.gc('--auto')
       _PostRepoFetch(rp,
-                     no_repo_verify=opt.no_repo_verify,
+                     repo_verify=opt.repo_verify,
                      verbose=True)
diff --git a/subcmds/sync.py b/subcmds/sync.py
index 849e878..1988cc7 100644
--- a/subcmds/sync.py
+++ b/subcmds/sync.py
@@ -247,7 +247,7 @@
                  dest='manifest_name',
                  help='temporary manifest to use for this sync', metavar='NAME.xml')
     p.add_option('--no-clone-bundle',
-                 dest='no_clone_bundle', action='store_true',
+                 dest='clone_bundle', default=True, action='store_false',
                  help='disable use of /clone.bundle on HTTP/HTTPS')
     p.add_option('-u', '--manifest-server-username', action='store',
                  dest='manifest_server_username',
@@ -259,7 +259,7 @@
                  dest='fetch_submodules', action='store_true',
                  help='fetch submodules from server')
     p.add_option('--no-tags',
-                 dest='no_tags', action='store_true',
+                 dest='tags', default=True, action='store_false',
                  help="don't fetch tags")
     p.add_option('--optimized-fetch',
                  dest='optimized_fetch', action='store_true',
@@ -276,7 +276,7 @@
 
     g = p.add_option_group('repo Version options')
     g.add_option('--no-repo-verify',
-                 dest='no_repo_verify', action='store_true',
+                 dest='repo_verify', default=True, action='store_false',
                  help='do not verify repo source code')
     g.add_option('--repo-upgraded',
                  dest='repo_upgraded', action='store_true',
@@ -338,8 +338,8 @@
             verbose=opt.verbose,
             current_branch_only=opt.current_branch_only,
             force_sync=opt.force_sync,
-            clone_bundle=not opt.no_clone_bundle,
-            no_tags=opt.no_tags, archive=self.manifest.IsArchive,
+            clone_bundle=opt.clone_bundle,
+            tags=opt.tags, archive=self.manifest.IsArchive,
             optimized_fetch=opt.optimized_fetch,
             prune=opt.prune,
             clone_filter=clone_filter)
@@ -841,7 +841,7 @@
       start = time.time()
       success = mp.Sync_NetworkHalf(quiet=opt.quiet, verbose=opt.verbose,
                                     current_branch_only=opt.current_branch_only,
-                                    no_tags=opt.no_tags,
+                                    tags=opt.tags,
                                     optimized_fetch=opt.optimized_fetch,
                                     submodules=self.manifest.HasSubmodules,
                                     clone_filter=self.manifest.CloneFilter)
@@ -977,7 +977,7 @@
 
       fetched = self._Fetch(to_fetch, opt, err_event)
 
-      _PostRepoFetch(rp, opt.no_repo_verify)
+      _PostRepoFetch(rp, opt.repo_verify)
       if opt.network_only:
         # bail out now; the rest touches the working tree
         if err_event.isSet():
@@ -1067,11 +1067,11 @@
       project.PostRepoUpgrade()
 
 
-def _PostRepoFetch(rp, no_repo_verify=False, verbose=False):
+def _PostRepoFetch(rp, repo_verify=True, verbose=False):
   if rp.HasChanges:
     print('info: A new version of repo is available', file=sys.stderr)
     print(file=sys.stderr)
-    if no_repo_verify or _VerifyTag(rp):
+    if not repo_verify or _VerifyTag(rp):
       syncbuf = SyncBuffer(rp.config)
       rp.Sync_LocalHalf(syncbuf)
       if not syncbuf.Finish():