Various extensions need updates to pass tests when run under Mercurial 4.3.

Comment on attachment 8901929 [details] hgext: drop compatibility with Mercurial 3.8 (bug 1391366); https://reviewboard.mozilla.org/r/173354/#review178864

Comment on attachment 8901930 [details] firefoxtree: obtain wlock before writing shared file (bug 1391366); https://reviewboard.mozilla.org/r/173356/#review178866 do savefile() in bzexport and remoterefs.write() in mozext also need this fix?

Comment on attachment 8901931 [details] testing: move some requirements to non-Docker hgdev environment (bug 1391366); https://reviewboard.mozilla.org/r/173358/#review178872

Comment on attachment 8901932 [details] hgext: reformat imports; https://reviewboard.mozilla.org/r/173360/#review178874

Comment on attachment 8901933 [details] hgext: use demandimport context manager (bug 1391366); https://reviewboard.mozilla.org/r/173362/#review178876

Comment on attachment 8901934 [details] hgext: mass update to use registrar.command (bug 1391366); https://reviewboard.mozilla.org/r/173364/#review178890

Comment on attachment 8901935 [details] bzexport: drop unused import (bug 1391366); https://reviewboard.mozilla.org/r/173366/#review178894

Comment on attachment 8901936 [details] bzexport: use obsutil when available (bug 1391366); https://reviewboard.mozilla.org/r/173368/#review178896

Comment on attachment 8901937 [details] configwizard: use registrar.command if available (bug 1391366); https://reviewboard.mozilla.org/r/173370/#review178900

Comment on attachment 8901938 [details] testing: refactor API for obtaining extensions (bug 1391366); https://reviewboard.mozilla.org/r/173372/#review178908

Comment on attachment 8901939 [details] testing: treat hooks as an extension directory (bug 1391366); https://reviewboard.mozilla.org/r/173374/#review178910 yay!

Comment on attachment 8901940 [details] hghooks: don't mark extension as compatible with 4.3 (bug 1391366); https://reviewboard.mozilla.org/r/173376/#review178912

Comment on attachment 8901941 [details] mozhg: don't use deprecated bookmarks APIs (bug 1391366); https://reviewboard.mozilla.org/r/173378/#review178914

Pushed by gszorc@mozilla.com: https://hg.mozilla.org/hgcustom/version-control-tools/rev/41f34c0a744e hgext: drop compatibility with Mercurial 3.8 ; r=glob https://hg.mozilla.org/hgcustom/version-control-tools/rev/3c4233f0f2bf firefoxtree: obtain wlock before writing shared file ; r=glob https://hg.mozilla.org/hgcustom/version-control-tools/rev/b2f2a5008253 testing: move some requirements to non-Docker hgdev environment ; r=glob https://hg.mozilla.org/hgcustom/version-control-tools/rev/35391d76554b hgext: use demandimport context manager ; r=glob https://hg.mozilla.org/hgcustom/version-control-tools/rev/dcb89c27f60d hgext: mass update to use registrar.command ; r=glob https://hg.mozilla.org/hgcustom/version-control-tools/rev/9e96276f6623 bzexport: drop unused import ; r=glob https://hg.mozilla.org/hgcustom/version-control-tools/rev/481cd775b6c5 bzexport: use obsutil when available ; r=glob https://hg.mozilla.org/hgcustom/version-control-tools/rev/7b974481c659 configwizard: use registrar.command if available ; r=glob https://hg.mozilla.org/hgcustom/version-control-tools/rev/59ffe4117b06 testing: refactor API for obtaining extensions ; r=glob https://hg.mozilla.org/hgcustom/version-control-tools/rev/8a4d53476292 testing: treat hooks as an extension directory ; r=glob https://hg.mozilla.org/hgcustom/version-control-tools/rev/2662e49977b2 hghooks: don't mark extension as compatible with 4.3 ; r=glob https://hg.mozilla.org/hgcustom/version-control-tools/rev/1dbfe3241a3b mozhg: don't use deprecated bookmarks APIs ; r=glob