py3: pass str into grp.getgrnam

grp.getgrnam expects str on Python 3.

This fixes test-acl.t on Python 3.

Differential Revision: https://phab.mercurial-scm.org/D5794

contrib/python3-whitelist

@@ -1,752 +1,753 b''
 test-abort-checkin.t
 test-absorb-edit-lines.t
 test-absorb-filefixupstate.py
 test-absorb-phase.t
 test-absorb-rename.t
 test-absorb-strip.t
 test-absorb.t
+test-acl.t
 test-add.t
 test-addremove-similar.t
 test-addremove.t
 test-alias.t
 test-amend-subrepo.t
 test-amend.t
 test-ancestor.py
 test-annotate.py
 test-annotate.t
 test-arbitraryfilectx.t
 test-archive-symlinks.t
 test-archive.t
 test-atomictempfile.py
 test-audit-path.t
 test-audit-subrepo.t
 test-automv.t
 test-backout.t
 test-backwards-remove.t
 test-bad-extension.t
 test-bad-pull.t
 test-basic.t
 test-batching.py
 test-bdiff.py
 test-bheads.t
 test-bisect.t
 test-bisect2.t
 test-bisect3.t
 test-blackbox.t
 test-bookflow.t
 test-bookmarks-current.t
 test-bookmarks-merge.t
 test-bookmarks-pushpull.t
 test-bookmarks-rebase.t
 test-bookmarks-strip.t
 test-bookmarks.t
 test-branch-change.t
 test-branch-option.t
 test-branch-tag-confict.t
 test-branches.t
 test-bugzilla.t
 test-bundle-phases.t
 test-bundle-r.t
 test-bundle-type.t
 test-bundle-vs-outgoing.t
 test-bundle.t
 test-bundle2-exchange.t
 test-bundle2-format.t
 test-bundle2-multiple-changegroups.t
 test-bundle2-pushback.t
 test-bundle2-remote-changegroup.t
 test-cache-abuse.t
 test-cappedreader.py
 test-casecollision-merge.t
 test-casecollision.t
 test-casefolding.t
 test-cat.t
 test-cbor.py
 test-censor.t
 test-changelog-exec.t
 test-check-code.t
 test-check-commit.t
 test-check-config.py
 test-check-config.t
 test-check-execute.t
 test-check-help.t
 test-check-interfaces.py
 test-check-module-imports.t
 test-check-py3-compat.t
 test-check-pyflakes.t
 test-check-pylint.t
 test-check-shbang.t
 test-children.t
 test-churn.t
 test-clone-cgi.t
 test-clone-pull-corruption.t
 test-clone-r.t
 test-clone-uncompressed.t
 test-clone-update-order.t
 test-clone.t
 test-clonebundles.t
 test-close-head.t
 test-commandserver.t
 test-commit-amend.t
 test-commit-interactive.t
 test-commit-multiple.t
 test-commit-unresolved.t
 test-commit.t
 test-committer.t
 test-completion.t
 test-config-env.py
 test-config.t
 test-conflict.t
 test-confused-revert.t
 test-context-metadata.t
 test-context.py
 test-contrib-check-code.t
 test-contrib-check-commit.t
 test-contrib-dumprevlog.t
 test-contrib-perf.t
 test-contrib-relnotes.t
 test-contrib-testparseutil.t
 test-contrib.t
 test-convert-authormap.t
 test-convert-clonebranches.t
 test-convert-cvs-branch.t
 test-convert-cvs-detectmerge.t
 test-convert-cvs-synthetic.t
 test-convert-cvs.t
 test-convert-cvsnt-mergepoints.t
 test-convert-datesort.t
 test-convert-filemap.t
 test-convert-git.t
 test-convert-hg-sink.t
 test-convert-hg-source.t
 test-convert-hg-startrev.t
 test-convert-splicemap.t
 test-convert-svn-sink.t
 test-convert-tagsbranch-topology.t
 test-convert.t
 test-copy-move-merge.t
 test-copy.t
 test-copytrace-heuristics.t
 test-custom-filters.t
 test-debugbuilddag.t
 test-debugbundle.t
 test-debugcommands.t
 test-debugextensions.t
 test-debugindexdot.t
 test-debugrename.t
 test-default-push.t
 test-diff-antipatience.t
 test-diff-binary-file.t
 test-diff-change.t
 test-diff-color.t
 test-diff-copy-depth.t
 test-diff-hashes.t
 test-diff-ignore-whitespace.t
 test-diff-indent-heuristic.t
 test-diff-issue2761.t
 test-diff-newlines.t
 test-diff-reverse.t
 test-diff-subdir.t
 test-diff-unified.t
 test-diff-upgrade.t
 test-diffdir.t
 test-diffstat.t
 test-directaccess.t
 test-dirstate-backup.t
 test-dirstate-nonnormalset.t
 test-dirstate-race.t
 test-dirstate.t
 test-dispatch.py
 test-dispatch.t
 test-doctest.py
 test-double-merge.t
 test-drawdag.t
 test-duplicateoptions.py
 test-editor-filename.t
 test-empty-dir.t
 test-empty-file.t
 test-empty-group.t
 test-empty.t
 test-encode.t
 test-encoding-align.t
 test-encoding-func.py
 test-encoding-textwrap.t
 test-encoding.t
 test-eol-add.t
 test-eol-clone.t
 test-eol-hook.t
 test-eol-patch.t
 test-eol-tag.t
 test-eol-update.t
 test-eol.t
 test-eolfilename.t
 test-excessive-merge.t
 test-exchange-obsmarkers-case-A1.t
 test-exchange-obsmarkers-case-A2.t
 test-exchange-obsmarkers-case-A3.t
 test-exchange-obsmarkers-case-A4.t
 test-exchange-obsmarkers-case-A5.t
 test-exchange-obsmarkers-case-A6.t
 test-exchange-obsmarkers-case-A7.t
 test-exchange-obsmarkers-case-B1.t
 test-exchange-obsmarkers-case-B2.t
 test-exchange-obsmarkers-case-B3.t
 test-exchange-obsmarkers-case-B4.t
 test-exchange-obsmarkers-case-B5.t
 test-exchange-obsmarkers-case-B6.t
 test-exchange-obsmarkers-case-B7.t
 test-exchange-obsmarkers-case-C1.t
 test-exchange-obsmarkers-case-C2.t
 test-exchange-obsmarkers-case-C3.t
 test-exchange-obsmarkers-case-C4.t
 test-exchange-obsmarkers-case-D1.t
 test-exchange-obsmarkers-case-D2.t
 test-exchange-obsmarkers-case-D3.t
 test-exchange-obsmarkers-case-D4.t
 test-execute-bit.t
 test-export.t
 test-extdata.t
 test-extdiff.t
 test-extension-timing.t
 test-extensions-afterloaded.t
 test-extensions-wrapfunction.py
 test-extra-filelog-entry.t
 test-fastannotate-corrupt.t
 test-fastannotate-diffopts.t
 test-fastannotate-hg.t
 test-fastannotate-perfhack.t
 test-fastannotate-protocol.t
 test-fastannotate-renames.t
 test-fastannotate-revmap.py
 test-fastannotate.t
 test-fetch.t
 test-filebranch.t
 test-filecache.py
 test-filelog.py
 test-fileset-generated.t
 test-fileset.t
 test-fix-topology.t
 test-fix.t
 test-flags.t
 test-fncache.t
 test-gendoc-da.t
 test-gendoc-de.t
 test-gendoc-el.t
 test-gendoc-fr.t
 test-gendoc-it.t
 test-gendoc-ja.t
 test-gendoc-pt_BR.t
 test-gendoc-ro.t
 test-gendoc-ru.t
 test-gendoc-sv.t
 test-gendoc-zh_CN.t
 test-gendoc-zh_TW.t
 test-gendoc.t
 test-generaldelta.t
 test-getbundle.t
 test-git-export.t
 test-githelp.t
 test-globalopts.t
 test-glog-beautifygraph.t
 test-glog-topological.t
 test-glog.t
 test-gpg.t
 test-graft.t
 test-grep.t
 test-hardlinks.t
 test-help-hide.t
 test-help.t
 test-hg-parseurl.py
 test-hghave.t
 test-hgignore.t
 test-hgk.t
 test-hgrc.t
 test-hgweb-annotate-whitespace.t
 test-hgweb-auth.py
 test-hgweb-bundle.t
 test-hgweb-commands.t
 test-hgweb-csp.t
 test-hgweb-descend-empties.t
 test-hgweb-diffs.t
 test-hgweb-empty.t
 test-hgweb-filelog.t
 test-hgweb-no-path-info.t
 test-hgweb-no-request-uri.t
 test-hgweb-non-interactive.t
 test-hgweb-raw.t
 test-hgweb-removed.t
 test-hgweb-symrev.t
 test-hgweb.t
 test-hgwebdir-paths.py
 test-hgwebdir.t
 test-hgwebdirsym.t
 test-histedit-arguments.t
 test-histedit-base.t
 test-histedit-bookmark-motion.t
 test-histedit-commute.t
 test-histedit-drop.t
 test-histedit-edit.t
 test-histedit-fold-non-commute.t
 test-histedit-fold.t
 test-histedit-no-backup.t
 test-histedit-no-change.t
 test-histedit-non-commute-abort.t
 test-histedit-non-commute.t
 test-histedit-obsolete.t
 test-histedit-outgoing.t
 test-histedit-templates.t
 test-http-api-httpv2.t
 test-http-api.t
 test-http-bad-server.t
 test-http-branchmap.t
 test-http-bundle1.t
 test-http-clone-r.t
 test-http-permissions.t
 test-http-protocol.t
 test-http.t
 test-hybridencode.py
 test-i18n.t
 test-identify.t
 test-impexp-branch.t
 test-import-bypass.t
 test-import-context.t
 test-import-eol.t
 test-import-git.t
 test-import-merge.t
 test-import-unknown.t
 test-import.t
 test-imports-checker.t
 test-incoming-outgoing.t
 test-infinitepush-bundlestore.t
 test-infinitepush-ci.t
 test-infinitepush.t
 test-inherit-mode.t
 test-init.t
 test-install.t
 test-issue1089.t
 test-issue1102.t
 test-issue1175.t
 test-issue1306.t
 test-issue1438.t
 test-issue1502.t
 test-issue1802.t
 test-issue1877.t
 test-issue1993.t
 test-issue2137.t
 test-issue3084.t
 test-issue4074.t
 test-issue522.t
 test-issue586.t
 test-issue5979.t
 test-issue612.t
 test-issue619.t
 test-issue660.t
 test-issue672.t
 test-issue842.t
 test-journal-exists.t
 test-journal-share.t
 test-journal.t
 test-keyword.t
 test-known.t
 test-largefiles-cache.t
 test-largefiles-misc.t
 test-largefiles-small-disk.t
 test-largefiles-update.t
 test-largefiles-wireproto.t
 test-largefiles.t
 test-lfconvert.t
 test-lfs-bundle.t
 test-lfs-largefiles.t
 test-lfs-pointer.py
 test-lfs-test-server.t
 test-lfs.t
 test-linelog.py
 test-linerange.py
 test-locate.t
 test-lock-badness.t
 test-lock.py
 test-log-exthook.t
 test-log-linerange.t
 test-log.t
 test-logexchange.t
 test-logtoprocess.t
 test-lrucachedict.py
 test-mactext.t
 test-mailmap.t
 test-manifest-merging.t
 test-manifest.py
 test-manifest.t
 test-match.py
 test-mdiff.py
 test-merge-changedelete.t
 test-merge-closedheads.t
 test-merge-commit.t
 test-merge-criss-cross.t
 test-merge-default.t
 test-merge-force.t
 test-merge-halt.t
 test-merge-internal-tools-pattern.t
 test-merge-local.t
 test-merge-no-file-change.t
 test-merge-remove.t
 test-merge-revert.t
 test-merge-revert2.t
 test-merge-subrepos.t
 test-merge-symlinks.t
 test-merge-tools.t
 test-merge-types.t
 test-merge1.t
 test-merge10.t
 test-merge2.t
 test-merge4.t
 test-merge5.t
 test-merge6.t
 test-merge7.t
 test-merge8.t
 test-merge9.t
 test-minifileset.py
 test-minirst.py
 test-missing-capability.t
 test-mq-eol.t
 test-mq-git.t
 test-mq-guards.t
 test-mq-header-date.t
 test-mq-header-from.t
 test-mq-merge.t
 test-mq-missingfiles.t
 test-mq-pull-from-bundle.t
 test-mq-qclone-http.t
 test-mq-qdelete.t
 test-mq-qdiff.t
 test-mq-qfold.t
 test-mq-qgoto.t
 test-mq-qimport-fail-cleanup.t
 test-mq-qimport.t
 test-mq-qnew.t
 test-mq-qpush-exact.t
 test-mq-qpush-fail.t
 test-mq-qqueue.t
 test-mq-qrefresh-interactive.t
 test-mq-qrefresh-replace-log-message.t
 test-mq-qrefresh.t
 test-mq-qrename.t
 test-mq-qsave.t
 test-mq-safety.t
 test-mq-subrepo.t
 test-mq-symlinks.t
 test-mq.t
 test-mv-cp-st-diff.t
 test-narrow-acl.t
 test-narrow-archive.t
 test-narrow-clone-no-ellipsis.t
 test-narrow-clone-non-narrow-server.t
 test-narrow-clone-nonlinear.t
 test-narrow-clone-stream.t
 test-narrow-clone.t
 test-narrow-commit.t
 test-narrow-copies.t
 test-narrow-debugcommands.t
 test-narrow-debugrebuilddirstate.t
 test-narrow-exchange-merges.t
 test-narrow-exchange.t
 test-narrow-expanddirstate.t
 test-narrow-merge.t
 test-narrow-patch.t
 test-narrow-patterns.t
 test-narrow-pull.t
 test-narrow-rebase.t
 test-narrow-shallow-merges.t
 test-narrow-shallow.t
 test-narrow-share.t
 test-narrow-sparse.t
 test-narrow-strip.t
 test-narrow-trackedcmd.t
 test-narrow-update.t
 test-narrow-widen-no-ellipsis.t
 test-narrow-widen.t
 test-narrow.t
 test-nested-repo.t
 test-newbranch.t
 test-newcgi.t
 test-newercgi.t
 test-nointerrupt.t
 test-notify-changegroup.t
 test-obshistory.t
 test-obsmarker-template.t
 test-obsmarkers-effectflag.t
 test-obsolete-bounds-checking.t
 test-obsolete-bundle-strip.t
 test-obsolete-changeset-exchange.t
 test-obsolete-checkheads.t
 test-obsolete-distributed.t
 test-obsolete-divergent.t
 test-obsolete-tag-cache.t
 test-obsolete.t
 test-oldcgi.t
 test-origbackup-conflict.t
 test-pager-legacy.t
 test-pager.t
 test-parents.t
 test-parse-date.t
 test-parseindex.t
 test-parseindex2.py
 test-patch-offset.t
 test-patch.t
 test-patchbomb-bookmark.t
 test-patchbomb-tls.t
 test-patchbomb.t
 test-pathconflicts-basic.t
 test-pathconflicts-merge.t
 test-pathconflicts-update.t
 test-pathencode.py
 test-pending.t
 test-permissions.t
 test-phases-exchange.t
 test-phases.t
 test-profile.t
 test-progress.t
 test-propertycache.py
 test-pull-branch.t
 test-pull-bundle.t
 test-pull-http.t
 test-pull-permission.t
 test-pull-pull-corruption.t
 test-pull-r.t
 test-pull-update.t
 test-pull.t
 test-purge.t
 test-push-cgi.t
 test-push-checkheads-partial-C1.t
 test-push-checkheads-partial-C2.t
 test-push-checkheads-partial-C3.t
 test-push-checkheads-partial-C4.t
 test-push-checkheads-pruned-B1.t
 test-push-checkheads-pruned-B2.t
 test-push-checkheads-pruned-B3.t
 test-push-checkheads-pruned-B4.t
 test-push-checkheads-pruned-B5.t
 test-push-checkheads-pruned-B6.t
 test-push-checkheads-pruned-B7.t
 test-push-checkheads-pruned-B8.t
 test-push-checkheads-superceed-A1.t
 test-push-checkheads-superceed-A2.t
 test-push-checkheads-superceed-A3.t
 test-push-checkheads-superceed-A4.t
 test-push-checkheads-superceed-A5.t
 test-push-checkheads-superceed-A6.t
 test-push-checkheads-superceed-A7.t
 test-push-checkheads-superceed-A8.t
 test-push-checkheads-unpushed-D1.t
 test-push-checkheads-unpushed-D2.t
 test-push-checkheads-unpushed-D3.t
 test-push-checkheads-unpushed-D4.t
 test-push-checkheads-unpushed-D5.t
 test-push-checkheads-unpushed-D6.t
 test-push-checkheads-unpushed-D7.t
 test-push-http.t
 test-push-race.t
 test-push-warn.t
 test-push.t
 test-pushvars.t
 test-qrecord.t
 test-rebase-abort.t
 test-rebase-backup.t
 test-rebase-base-flag.t
 test-rebase-bookmarks.t
 test-rebase-brute-force.t
 test-rebase-cache.t
 test-rebase-check-restore.t
 test-rebase-collapse.t
 test-rebase-conflicts.t
 test-rebase-dest.t
 test-rebase-detach.t
 test-rebase-emptycommit.t
 test-rebase-inmemory.t
 test-rebase-interruptions.t
 test-rebase-issue-noparam-single-rev.t
 test-rebase-legacy.t
 test-rebase-mq-skip.t
 test-rebase-mq.t
 test-rebase-named-branches.t
 test-rebase-newancestor.t
 test-rebase-obsolete.t
 test-rebase-parameters.t
 test-rebase-partial.t
 test-rebase-pull.t
 test-rebase-rename.t
 test-rebase-scenario-global.t
 test-rebase-templates.t
 test-rebase-transaction.t
 test-rebuildstate.t
 test-record.t
 test-releasenotes-formatting.t
 test-releasenotes-merging.t
 test-releasenotes-parsing.t
 test-relink.t
 test-remotefilelog-bad-configs.t
 test-remotefilelog-bgprefetch.t
 test-remotefilelog-blame.t
 test-remotefilelog-bundle2.t
 test-remotefilelog-bundles.t
 test-remotefilelog-cacheprocess.t
 test-remotefilelog-clone-tree.t
 test-remotefilelog-clone.t
 test-remotefilelog-datapack.py
 test-remotefilelog-gcrepack.t
 test-remotefilelog-histpack.py
 test-remotefilelog-http.t
 test-remotefilelog-keepset.t
 test-remotefilelog-local.t
 test-remotefilelog-log.t
 test-remotefilelog-partial-shallow.t
 test-remotefilelog-permissions.t
 test-remotefilelog-permisssions.t
 test-remotefilelog-prefetch.t
 test-remotefilelog-pull-noshallow.t
 test-remotefilelog-repack.t
 test-remotefilelog-share.t
 test-remotefilelog-sparse.t
 test-remotefilelog-tags.t
 test-remotefilelog-wireproto.t
 test-remove.t
 test-removeemptydirs.t
 test-rename-after-merge.t
 test-rename-dir-merge.t
 test-rename-merge1.t
 test-rename-merge2.t
 test-rename.t
 test-repair-strip.t
 test-repo-compengines.t
 test-requires.t
 test-resolve.t
 test-revert-flags.t
 test-revert-interactive.t
 test-revert-unknown.t
 test-revert.t
 test-revisions.t
 test-revlog-ancestry.py
 test-revlog-group-emptyiter.t
 test-revlog-mmapindex.t
 test-revlog-packentry.t
 test-revlog-raw.py
 test-revlog-v2.t
 test-revlog.t
 test-revset-dirstate-parents.t
 test-revset-legacy-lookup.t
 test-revset-outgoing.t
 test-revset2.t
 test-rollback.t
 test-run-tests.py
 test-run-tests.t
 test-rust-ancestor.py
 test-schemes.t
 test-serve.t
 test-setdiscovery.t
 test-share.t
 test-shelve.t
 test-shelve2.t
 test-show-stack.t
 test-show-work.t
 test-show.t
 test-simple-update.t
 test-simplekeyvaluefile.py
 test-simplemerge.py
 test-single-head.t
 test-sparse-clear.t
 test-sparse-clone.t
 test-sparse-import.t
 test-sparse-merges.t
 test-sparse-profiles.t
 test-sparse-requirement.t
 test-sparse-verbose-json.t
 test-sparse.t
 test-split.t
 test-ssh-bundle1.t
 test-ssh-clone-r.t
 test-ssh-proto-unbundle.t
 test-ssh-proto.t
 test-ssh-repoerror.t
 test-ssh.t
 test-sshserver.py
 test-stack.t
 test-static-http.t
 test-status-color.t
 test-status-inprocess.py
 test-status-rev.t
 test-status-terse.t
 test-status.t
 test-storage.py
 test-stream-bundle-v2.t
 test-strict.t
 test-strip-cross.t
 test-strip.t
 test-subrepo-deep-nested-change.t
 test-subrepo-git.t
 test-subrepo-missing.t
 test-subrepo-paths.t
 test-subrepo-recursion.t
 test-subrepo-relative-path.t
 test-subrepo.t
 test-symlink-os-yes-fs-no.py
 test-symlink-placeholder.t
 test-symlinks.t
 test-tag.t
 test-tags.t
 test-template-basic.t
 test-template-functions.t
 test-template-keywords.t
 test-template-map.t
 test-tools.t
 test-transplant.t
 test-treediscovery-legacy.t
 test-treediscovery.t
 test-treemanifest.t
 test-ui-color.py
 test-ui-config.py
 test-ui-verbosity.py
 test-unamend.t
 test-unbundlehash.t
 test-uncommit.t
 test-unified-test.t
 test-unionrepo.t
 test-unrelated-pull.t
 test-up-local-change.t
 test-update-atomic.t
 test-update-branches.t
 test-update-dest.t
 test-update-issue1456.t
 test-update-names.t
 test-update-reverse.t
 test-upgrade-repo.t
 test-url-download.t
 test-url-rev.t
 test-url.py
 test-username-newline.t
 test-util.py
 test-verify.t
 test-walk.t
 test-walkrepo.py
 test-websub.t
 test-win32text.t
 test-wireproto-caching.t
 test-wireproto-clientreactor.py
 test-wireproto-command-branchmap.t
 test-wireproto-command-capabilities.t
 test-wireproto-command-changesetdata.t
 test-wireproto-command-filedata.t
 test-wireproto-command-filesdata.t
 test-wireproto-command-heads.t
 test-wireproto-command-known.t
 test-wireproto-command-listkeys.t
 test-wireproto-command-lookup.t
 test-wireproto-command-manifestdata.t
 test-wireproto-command-pushkey.t
 test-wireproto-command-rawstorefiledata.t
 test-wireproto-content-redirects.t
 test-wireproto-exchangev2.t
 test-wireproto-framing.py
 test-wireproto-serverreactor.py
 test-wireproto.py
 test-wireproto.t
 test-wsgirequest.py
 test-xdg.t

mercurial/posix.py

@@ -1,705 +1,706 b''
 # posix.py - Posix utility function implementations for Mercurial
 #
 #  Copyright 2005-2009 Matt Mackall <[e-mail]> and others
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
 from __future__ import absolute_import
 
 import errno
 import fcntl
 import getpass
 import grp
 import os
 import pwd
 import re
 import select
 import stat
 import sys
 import tempfile
 import unicodedata
 
 from .i18n import _
 from . import (
     encoding,
     error,
     policy,
     pycompat,
 )
 
 osutil = policy.importmod(r'osutil')
 
 posixfile = open
 normpath = os.path.normpath
 samestat = os.path.samestat
 try:
     oslink = os.link
 except AttributeError:
     # Some platforms build Python without os.link on systems that are
     # vaguely unix-like but don't have hardlink support. For those
     # poor souls, just say we tried and that it failed so we fall back
     # to copies.
     def oslink(src, dst):
         raise OSError(errno.EINVAL,
                       'hardlinks not supported: %s to %s' % (src, dst))
 readlink = os.readlink
 unlink = os.unlink
 rename = os.rename
 removedirs = os.removedirs
 expandglobs = False
 
 umask = os.umask(0)
 os.umask(umask)
 
 def split(p):
     '''Same as posixpath.split, but faster
 
     >>> import posixpath
     >>> for f in [b'/absolute/path/to/file',
     ...           b'relative/path/to/file',
     ...           b'file_alone',
     ...           b'path/to/directory/',
     ...           b'/multiple/path//separators',
     ...           b'/file_at_root',
     ...           b'///multiple_leading_separators_at_root',
     ...           b'']:
     ...     assert split(f) == posixpath.split(f), f
     '''
     ht = p.rsplit('/', 1)
     if len(ht) == 1:
         return '', p
     nh = ht[0].rstrip('/')
     if nh:
         return nh, ht[1]
     return ht[0] + '/', ht[1]
 
 def openhardlinks():
     '''return true if it is safe to hold open file handles to hardlinks'''
     return True
 
 def nlinks(name):
     '''return number of hardlinks for the given file'''
     return os.lstat(name).st_nlink
 
 def parsepatchoutput(output_line):
     """parses the output produced by patch and returns the filename"""
     pf = output_line[14:]
     if pycompat.sysplatform == 'OpenVMS':
         if pf[0] == '`':
             pf = pf[1:-1] # Remove the quotes
     else:
         if pf.startswith("'") and pf.endswith("'") and " " in pf:
             pf = pf[1:-1] # Remove the quotes
     return pf
 
 def sshargs(sshcmd, host, user, port):
     '''Build argument list for ssh'''
     args = user and ("%s@%s" % (user, host)) or host
     if '-' in args[:1]:
         raise error.Abort(
             _('illegal ssh hostname or username starting with -: %s') % args)
     args = shellquote(args)
     if port:
         args = '-p %s %s' % (shellquote(port), args)
     return args
 
 def isexec(f):
     """check whether a file is executable"""
     return (os.lstat(f).st_mode & 0o100 != 0)
 
 def setflags(f, l, x):
     st = os.lstat(f)
     s = st.st_mode
     if l:
         if not stat.S_ISLNK(s):
             # switch file to link
             fp = open(f, 'rb')
             data = fp.read()
             fp.close()
             unlink(f)
             try:
                 os.symlink(data, f)
             except OSError:
                 # failed to make a link, rewrite file
                 fp = open(f, "wb")
                 fp.write(data)
                 fp.close()
         # no chmod needed at this point
         return
     if stat.S_ISLNK(s):
         # switch link to file
         data = os.readlink(f)
         unlink(f)
         fp = open(f, "wb")
         fp.write(data)
         fp.close()
         s = 0o666 & ~umask # avoid restatting for chmod
 
     sx = s & 0o100
     if st.st_nlink > 1 and bool(x) != bool(sx):
         # the file is a hardlink, break it
         with open(f, "rb") as fp:
             data = fp.read()
         unlink(f)
         with open(f, "wb") as fp:
             fp.write(data)
 
     if x and not sx:
         # Turn on +x for every +r bit when making a file executable
         # and obey umask.
         os.chmod(f, s | (s & 0o444) >> 2 & ~umask)
     elif not x and sx:
         # Turn off all +x bits
         os.chmod(f, s & 0o666)
 
 def copymode(src, dst, mode=None, enforcewritable=False):
     '''Copy the file mode from the file at path src to dst.
     If src doesn't exist, we're using mode instead. If mode is None, we're
     using umask.'''
     try:
         st_mode = os.lstat(src).st_mode & 0o777
     except OSError as inst:
         if inst.errno != errno.ENOENT:
             raise
         st_mode = mode
         if st_mode is None:
             st_mode = ~umask
         st_mode &= 0o666
 
     new_mode = st_mode
 
     if enforcewritable:
         new_mode |= stat.S_IWUSR
 
     os.chmod(dst, new_mode)
 
 def checkexec(path):
     """
     Check whether the given path is on a filesystem with UNIX-like exec flags
 
     Requires a directory (like /foo/.hg)
     """
 
     # VFAT on some Linux versions can flip mode but it doesn't persist
     # a FS remount. Frequently we can detect it if files are created
     # with exec bit on.
 
     try:
         EXECFLAGS = stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH
         basedir = os.path.join(path, '.hg')
         cachedir = os.path.join(basedir, 'wcache')
         storedir = os.path.join(basedir, 'store')
         if not os.path.exists(cachedir):
             try:
                 # we want to create the 'cache' directory, not the '.hg' one.
                 # Automatically creating '.hg' directory could silently spawn
                 # invalid Mercurial repositories. That seems like a bad idea.
                 os.mkdir(cachedir)
                 if os.path.exists(storedir):
                     copymode(storedir, cachedir)
                 else:
                     copymode(basedir, cachedir)
             except (IOError, OSError):
                 # we other fallback logic triggers
                 pass
         if os.path.isdir(cachedir):
             checkisexec = os.path.join(cachedir, 'checkisexec')
             checknoexec = os.path.join(cachedir, 'checknoexec')
 
             try:
                 m = os.stat(checkisexec).st_mode
             except OSError as e:
                 if e.errno != errno.ENOENT:
                     raise
                 # checkisexec does not exist - fall through ...
             else:
                 # checkisexec exists, check if it actually is exec
                 if m & EXECFLAGS != 0:
                     # ensure checkisexec exists, check it isn't exec
                     try:
                         m = os.stat(checknoexec).st_mode
                     except OSError as e:
                         if e.errno != errno.ENOENT:
                             raise
                         open(checknoexec, 'w').close() # might fail
                         m = os.stat(checknoexec).st_mode
                     if m & EXECFLAGS == 0:
                         # check-exec is exec and check-no-exec is not exec
                         return True
                     # checknoexec exists but is exec - delete it
                     unlink(checknoexec)
                 # checkisexec exists but is not exec - delete it
                 unlink(checkisexec)
 
             # check using one file, leave it as checkisexec
             checkdir = cachedir
         else:
             # check directly in path and don't leave checkisexec behind
             checkdir = path
             checkisexec = None
         fh, fn = pycompat.mkstemp(dir=checkdir, prefix='hg-checkexec-')
         try:
             os.close(fh)
             m = os.stat(fn).st_mode
             if m & EXECFLAGS == 0:
                 os.chmod(fn, m & 0o777 | EXECFLAGS)
                 if os.stat(fn).st_mode & EXECFLAGS != 0:
                     if checkisexec is not None:
                         os.rename(fn, checkisexec)
                         fn = None
                     return True
         finally:
             if fn is not None:
                 unlink(fn)
     except (IOError, OSError):
         # we don't care, the user probably won't be able to commit anyway
         return False
 
 def checklink(path):
     """check whether the given path is on a symlink-capable filesystem"""
     # mktemp is not racy because symlink creation will fail if the
     # file already exists
     while True:
         cachedir = os.path.join(path, '.hg', 'wcache')
         checklink = os.path.join(cachedir, 'checklink')
         # try fast path, read only
         if os.path.islink(checklink):
             return True
         if os.path.isdir(cachedir):
             checkdir = cachedir
         else:
             checkdir = path
             cachedir = None
         name = tempfile.mktemp(dir=pycompat.fsdecode(checkdir),
                                prefix=r'checklink-')
         name = pycompat.fsencode(name)
         try:
             fd = None
             if cachedir is None:
                 fd = pycompat.namedtempfile(dir=checkdir,
                                             prefix='hg-checklink-')
                 target = os.path.basename(fd.name)
             else:
                 # create a fixed file to link to; doesn't matter if it
                 # already exists.
                 target = 'checklink-target'
                 try:
                     fullpath = os.path.join(cachedir, target)
                     open(fullpath, 'w').close()
                 except IOError as inst:
                     if inst[0] == errno.EACCES:
                         # If we can't write to cachedir, just pretend
                         # that the fs is readonly and by association
                         # that the fs won't support symlinks. This
                         # seems like the least dangerous way to avoid
                         # data loss.
                         return False
                     raise
             try:
                 os.symlink(target, name)
                 if cachedir is None:
                     unlink(name)
                 else:
                     try:
                         os.rename(name, checklink)
                     except OSError:
                         unlink(name)
                 return True
             except OSError as inst:
                 # link creation might race, try again
                 if inst.errno == errno.EEXIST:
                     continue
                 raise
             finally:
                 if fd is not None:
                     fd.close()
         except AttributeError:
             return False
         except OSError as inst:
             # sshfs might report failure while successfully creating the link
             if inst.errno == errno.EIO and os.path.exists(name):
                 unlink(name)
             return False
 
 def checkosfilename(path):
     '''Check that the base-relative path is a valid filename on this platform.
     Returns None if the path is ok, or a UI string describing the problem.'''
     return None # on posix platforms, every path is ok
 
 def getfsmountpoint(dirpath):
     '''Get the filesystem mount point from a directory (best-effort)
 
     Returns None if we are unsure. Raises OSError on ENOENT, EPERM, etc.
     '''
     return getattr(osutil, 'getfsmountpoint', lambda x: None)(dirpath)
 
 def getfstype(dirpath):
     '''Get the filesystem type name from a directory (best-effort)
 
     Returns None if we are unsure. Raises OSError on ENOENT, EPERM, etc.
     '''
     return getattr(osutil, 'getfstype', lambda x: None)(dirpath)
 
 def setbinary(fd):
     pass
 
 def pconvert(path):
     return path
 
 def localpath(path):
     return path
 
 def samefile(fpath1, fpath2):
     """Returns whether path1 and path2 refer to the same file. This is only
     guaranteed to work for files, not directories."""
     return os.path.samefile(fpath1, fpath2)
 
 def samedevice(fpath1, fpath2):
     """Returns whether fpath1 and fpath2 are on the same device. This is only
     guaranteed to work for files, not directories."""
     st1 = os.lstat(fpath1)
     st2 = os.lstat(fpath2)
     return st1.st_dev == st2.st_dev
 
 # os.path.normcase is a no-op, which doesn't help us on non-native filesystems
 def normcase(path):
     return path.lower()
 
 # what normcase does to ASCII strings
 normcasespec = encoding.normcasespecs.lower
 # fallback normcase function for non-ASCII strings
 normcasefallback = normcase
 
 if pycompat.isdarwin:
 
     def normcase(path):
         '''
         Normalize a filename for OS X-compatible comparison:
         - escape-encode invalid characters
         - decompose to NFD
         - lowercase
         - omit ignored characters [200c-200f, 202a-202e, 206a-206f,feff]
 
         >>> normcase(b'UPPER')
         'upper'
         >>> normcase(b'Caf\\xc3\\xa9')
         'cafe\\xcc\\x81'
         >>> normcase(b'\\xc3\\x89')
         'e\\xcc\\x81'
         >>> normcase(b'\\xb8\\xca\\xc3\\xca\\xbe\\xc8.JPG') # issue3918
         '%b8%ca%c3\\xca\\xbe%c8.jpg'
         '''
 
         try:
             return encoding.asciilower(path)  # exception for non-ASCII
         except UnicodeDecodeError:
             return normcasefallback(path)
 
     normcasespec = encoding.normcasespecs.lower
 
     def normcasefallback(path):
         try:
             u = path.decode('utf-8')
         except UnicodeDecodeError:
             # OS X percent-encodes any bytes that aren't valid utf-8
             s = ''
             pos = 0
             l = len(path)
             while pos < l:
                 try:
                     c = encoding.getutf8char(path, pos)
                     pos += len(c)
                 except ValueError:
                     c = '%%%02X' % ord(path[pos:pos + 1])
                     pos += 1
                 s += c
 
             u = s.decode('utf-8')
 
         # Decompose then lowercase (HFS+ technote specifies lower)
         enc = unicodedata.normalize(r'NFD', u).lower().encode('utf-8')
         # drop HFS+ ignored characters
         return encoding.hfsignoreclean(enc)
 
 if pycompat.sysplatform == 'cygwin':
     # workaround for cygwin, in which mount point part of path is
     # treated as case sensitive, even though underlying NTFS is case
     # insensitive.
 
     # default mount points
     cygwinmountpoints = sorted([
             "/usr/bin",
             "/usr/lib",
             "/cygdrive",
             ], reverse=True)
 
     # use upper-ing as normcase as same as NTFS workaround
     def normcase(path):
         pathlen = len(path)
         if (pathlen == 0) or (path[0] != pycompat.ossep):
             # treat as relative
             return encoding.upper(path)
 
         # to preserve case of mountpoint part
         for mp in cygwinmountpoints:
             if not path.startswith(mp):
                 continue
 
             mplen = len(mp)
             if mplen == pathlen: # mount point itself
                 return mp
             if path[mplen] == pycompat.ossep:
                 return mp + encoding.upper(path[mplen:])
 
         return encoding.upper(path)
 
     normcasespec = encoding.normcasespecs.other
     normcasefallback = normcase
 
     # Cygwin translates native ACLs to POSIX permissions,
     # but these translations are not supported by native
     # tools, so the exec bit tends to be set erroneously.
     # Therefore, disable executable bit access on Cygwin.
     def checkexec(path):
         return False
 
     # Similarly, Cygwin's symlink emulation is likely to create
     # problems when Mercurial is used from both Cygwin and native
     # Windows, with other native tools, or on shared volumes
     def checklink(path):
         return False
 
 _needsshellquote = None
 def shellquote(s):
     if pycompat.sysplatform == 'OpenVMS':
         return '"%s"' % s
     global _needsshellquote
     if _needsshellquote is None:
         _needsshellquote = re.compile(br'[^a-zA-Z0-9._/+-]').search
     if s and not _needsshellquote(s):
         # "s" shouldn't have to be quoted
         return s
     else:
         return "'%s'" % s.replace("'", "'\\''")
 
 def shellsplit(s):
     """Parse a command string in POSIX shell way (best-effort)"""
     return pycompat.shlexsplit(s, posix=True)
 
 def quotecommand(cmd):
     return cmd
 
 def testpid(pid):
     '''return False if pid dead, True if running or not sure'''
     if pycompat.sysplatform == 'OpenVMS':
         return True
     try:
         os.kill(pid, 0)
         return True
     except OSError as inst:
         return inst.errno != errno.ESRCH
 
 def isowner(st):
     """Return True if the stat object st is from the current user."""
     return st.st_uid == os.getuid()
 
 def findexe(command):
     '''Find executable for command searching like which does.
     If command is a basename then PATH is searched for command.
     PATH isn't searched if command is an absolute or relative path.
     If command isn't found None is returned.'''
     if pycompat.sysplatform == 'OpenVMS':
         return command
 
     def findexisting(executable):
         'Will return executable if existing file'
         if os.path.isfile(executable) and os.access(executable, os.X_OK):
             return executable
         return None
 
     if pycompat.ossep in command:
         return findexisting(command)
 
     if pycompat.sysplatform == 'plan9':
         return findexisting(os.path.join('/bin', command))
 
     for path in encoding.environ.get('PATH', '').split(pycompat.ospathsep):
         executable = findexisting(os.path.join(path, command))
         if executable is not None:
             return executable
     return None
 
 def setsignalhandler():
     pass
 
 _wantedkinds = {stat.S_IFREG, stat.S_IFLNK}
 
 def statfiles(files):
     '''Stat each file in files. Yield each stat, or None if a file does not
     exist or has a type we don't care about.'''
     lstat = os.lstat
     getkind = stat.S_IFMT
     for nf in files:
         try:
             st = lstat(nf)
             if getkind(st.st_mode) not in _wantedkinds:
                 st = None
         except OSError as err:
             if err.errno not in (errno.ENOENT, errno.ENOTDIR):
                 raise
             st = None
         yield st
 
 def getuser():
     '''return name of current user'''
     return pycompat.fsencode(getpass.getuser())
 
 def username(uid=None):
     """Return the name of the user with the given uid.
 
     If uid is None, return the name of the current user."""
 
     if uid is None:
         uid = os.getuid()
     try:
         return pycompat.fsencode(pwd.getpwuid(uid)[0])
     except KeyError:
         return b'%d' % uid
 
 def groupname(gid=None):
     """Return the name of the group with the given gid.
 
     If gid is None, return the name of the current group."""
 
     if gid is None:
         gid = os.getgid()
     try:
         return grp.getgrgid(gid)[0]
     except KeyError:
         return str(gid)
 
 def groupmembers(name):
     """Return the list of members of the group with the given
     name, KeyError if the group does not exist.
     """
+    name = pycompat.sysstr(name)
     return list(grp.getgrnam(name).gr_mem)
 
 def spawndetached(args):
     return os.spawnvp(os.P_NOWAIT | getattr(os, 'P_DETACH', 0),
                       args[0], args)
 
 def gethgcmd():
     return sys.argv[:1]
 
 def makedir(path, notindexed):
     os.mkdir(path)
 
 def lookupreg(key, name=None, scope=None):
     return None
 
 def hidewindow():
     """Hide current shell window.
 
     Used to hide the window opened when starting asynchronous
     child process under Windows, unneeded on other systems.
     """
     pass
 
 class cachestat(object):
     def __init__(self, path):
         self.stat = os.stat(path)
 
     def cacheable(self):
         return bool(self.stat.st_ino)
 
     __hash__ = object.__hash__
 
     def __eq__(self, other):
         try:
             # Only dev, ino, size, mtime and atime are likely to change. Out
             # of these, we shouldn't compare atime but should compare the
             # rest. However, one of the other fields changing indicates
             # something fishy going on, so return False if anything but atime
             # changes.
             return (self.stat.st_mode == other.stat.st_mode and
                     self.stat.st_ino == other.stat.st_ino and
                     self.stat.st_dev == other.stat.st_dev and
                     self.stat.st_nlink == other.stat.st_nlink and
                     self.stat.st_uid == other.stat.st_uid and
                     self.stat.st_gid == other.stat.st_gid and
                     self.stat.st_size == other.stat.st_size and
                     self.stat[stat.ST_MTIME] == other.stat[stat.ST_MTIME] and
                     self.stat[stat.ST_CTIME] == other.stat[stat.ST_CTIME])
         except AttributeError:
             return False
 
     def __ne__(self, other):
         return not self == other
 
 def statislink(st):
     '''check whether a stat result is a symlink'''
     return st and stat.S_ISLNK(st.st_mode)
 
 def statisexec(st):
     '''check whether a stat result is an executable file'''
     return st and (st.st_mode & 0o100 != 0)
 
 def poll(fds):
     """block until something happens on any file descriptor
 
     This is a generic helper that will check for any activity
     (read, write.  exception) and return the list of touched files.
 
     In unsupported cases, it will raise a NotImplementedError"""
     try:
         while True:
             try:
                 res = select.select(fds, fds, fds)
                 break
             except select.error as inst:
                 if inst.args[0] == errno.EINTR:
                     continue
                 raise
     except ValueError: # out of range file descriptor
         raise NotImplementedError()
     return sorted(list(set(sum(res, []))))
 
 def readpipe(pipe):
     """Read all available data from a pipe."""
     # We can't fstat() a pipe because Linux will always report 0.
     # So, we set the pipe to non-blocking mode and read everything
     # that's available.
     flags = fcntl.fcntl(pipe, fcntl.F_GETFL)
     flags |= os.O_NONBLOCK
     oldflags = fcntl.fcntl(pipe, fcntl.F_SETFL, flags)
 
     try:
         chunks = []
         while True:
             try:
                 s = pipe.read()
                 if not s:
                     break
                 chunks.append(s)
             except IOError:
                 break
 
         return ''.join(chunks)
     finally:
         fcntl.fcntl(pipe, fcntl.F_SETFL, oldflags)
 
 def bindunixsocket(sock, path):
     """Bind the UNIX domain socket to the specified path"""
     # use relative path instead of full path at bind() if possible, since
     # AF_UNIX path has very small length limit (107 chars) on common
     # platforms (see sys/un.h)
     dirname, basename = os.path.split(path)
     bakwdfd = None
     if dirname:
         bakwdfd = os.open('.', os.O_DIRECTORY)
         os.chdir(dirname)
     sock.bind(basename)
     if bakwdfd:
         os.fchdir(bakwdfd)
         os.close(bakwdfd)