On Sat, 18 Jun 2016 23:00:21 +0100 Sergei Trofimovich <sly...@gentoo.org> wrote:
> From: Sergei Trofimovich <siarh...@google.com> > > A few links discussing what can go wrong with slot operator under > '||': > https://archives.gentoo.org/gentoo-dev/message/81a4e1a1f5767e20009628ecd33da8d4 > https://archives.gentoo.org/gentoo-dev/message/66ff016a055e57b6027abcd36734e0e3 > > The main problem here is how vdb gets updated when you have a > dependency of style: RDEPEND="|| ( foo:= bar:= )" > depending on what you have installed in system: only 'foo'/'bar' or > both 'foo' and 'bar'. > > I'm about to add actual test for some examples to gen-b0rk. > > New repoman complains on them as follows: > > RDEPEND="|| ( =not-broken/pkg1-subslot-0:= > =not-broken/pkg1-subslot-1:0= )" > > Yields: > > dependency.badslotop [fatal] 2 > ebuild-test/RDEPEND-any-of-slotop/RDEPEND-any-of-slotop-0.ebuild: > RDEPEND: '=not-broken/pkg1-subslot-0:=' uses ':=' slot operator under > '||' dep clause. > ebuild-test/RDEPEND-any-of-slotop/RDEPEND-any-of-slotop-0.ebuild: > RDEPEND: '=not-broken/pkg1-subslot-1:0=' uses ':=' slot operator > under '||' dep clause. > > CC: dol...@gentoo.org > CC: q...@gentoo.org > CC: mgo...@gentoo.org > Signed-off-by: Sergei Trofimovich <siarh...@google.com> > --- > V4: forbid only ':=' style slot operator. Zac pointed out ':*' is > fine here. V3: unbaked tree traversal back to _traverse_tree, moved > dependency parser out to check_slotop() helper > V2: made check_slotop function local, baked tree traversal in it > .../repoman/modules/scan/depend/_depend_checks.py | 45 > ++++++++++++++++++++++ > repoman/pym/repoman/qa_data.py | 2 + 2 files > changed, 47 insertions(+) > > diff --git > a/repoman/pym/repoman/modules/scan/depend/_depend_checks.py > b/repoman/pym/repoman/modules/scan/depend/_depend_checks.py index > 4e1d216..3f6c93e 100644 --- > a/repoman/pym/repoman/modules/scan/depend/_depend_checks.py +++ > b/repoman/pym/repoman/modules/scan/depend/_depend_checks.py @@ -3,11 > +3,52 @@ from _emerge.Package import Package > > +from portage.dep import Atom > + > from repoman.check_missingslot import check_missingslot > # import our initialized portage instance > from repoman._portage import portage > from repoman.qa_data import suspect_virtual, suspect_rdepend > > +def check_slotop(depstr, is_valid_flag, badsyntax, mytype, > + qatracker, relative_path): > + '''Checks if RDEPEND uses ':=' slot operator > + in '||' style dependencies.''' > + > + try: > + # to find use of ':=' in '||' we preserve > + # tree structure of dependencies > + my_dep_tree = portage.dep.use_reduce( > + depstr, > + flat=False, > + matchall=1, > + is_valid_flag=is_valid_flag, > + opconvert=True, > + token_class=portage.dep.Atom) > + except portage.exception.InvalidDependString as e: > + my_dep_tree = None > + badsyntax.append(str(e)) > + > + def _traverse_tree(dep_tree, in_any_of): > + # leaf > + if isinstance(dep_tree, Atom): > + atom = dep_tree > + if in_any_of and atom.slot_operator == '=': > + > qatracker.add_error("dependency.badslotop", > + "%s: %s: '%s' uses ':=' slot > operator under '||' dep clause." % > + (relative_path, mytype, > atom)) + > + # branches > + if isinstance(dep_tree, list): > + if len(dep_tree) == 0: > + return > + # entering any-of > + if dep_tree[0] == '||': > + _traverse_tree(dep_tree[1:], > in_any_of=True) > + else: > + for branch in dep_tree: > + _traverse_tree(branch, > in_any_of=in_any_of) > + _traverse_tree(my_dep_tree, False) > > def _depend_checks(ebuild, pkg, portdb, qatracker, repo_metadata): > '''Checks the ebuild dependencies for errors > @@ -117,6 +158,10 @@ def _depend_checks(ebuild, pkg, portdb, > qatracker, repo_metadata): > type_list.extend([mytype] * (len(badsyntax) - > len(type_list))) > + if runtime: > + check_slotop(mydepstr, > pkg.iuse.is_valid_flag, > + badsyntax, mytype, qatracker, > ebuild.relative_path) + > for m, b in zip(type_list, badsyntax): > if m.endswith("DEPEND"): > qacat = "dependency.syntax" > diff --git a/repoman/pym/repoman/qa_data.py > b/repoman/pym/repoman/qa_data.py index b9475e8..48ab389 100644 > --- a/repoman/pym/repoman/qa_data.py > +++ b/repoman/pym/repoman/qa_data.py > @@ -58,6 +58,8 @@ qahelp = { > "Ebuild has a dependency that refers to an unknown > package" " (which may be valid if it is a blocker for a > renamed/removed package," " or is an alternative choice provided by > an overlay)"), > + "dependency.badslotop": ( > + "RDEPEND contains ':=' slot operator under '||' > dependency."), "file.executable": ( > "Ebuilds, digests, metadata.xml, Manifest, and > ChangeLog do not need" " the executable bit"), I've merged V4 and it is in the 2.3.0 release. Thank you -- Brian Dolbec <dolsen>
