Mercurial > hg
changeset 45149:87047efbc6a6
debugcommands: create new debugantivirusrunning command
This writes the EICAR test file to .hg/cache, in an attempt to trigger
an AV scanner's scanning engine. This should let us (in theory) detect
some cases when a user's slowness is a result of AV scanning.
Differential Revision: https://phab.mercurial-scm.org/D8353
| author | Augie Fackler <augie@google.com> |
|---|---|
| date | Wed, 01 Apr 2020 08:42:00 -0500 |
| parents | a37f290a7124 |
| children | dc5e5577af39 |
| files | mercurial/debugcommands.py tests/test-completion.t tests/test-help.t |
| diffstat | 3 files changed, 21 insertions(+), 0 deletions(-) [+] |
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--- a/mercurial/debugcommands.py Fri Jul 17 03:28:52 2020 +0200 +++ b/mercurial/debugcommands.py Wed Apr 01 08:42:00 2020 -0500 @@ -127,6 +127,23 @@ ui.write(b'%d:%s\n' % (r.rev(a), hex(a))) +@command(b'debugantivirusrunning', []) +def debugantivirusrunning(ui, repo): + """attempt to trigger an antivirus scanner to see if one is active""" + with repo.cachevfs.open('eicar-test-file.com', b'wb') as f: + f.write( + util.b85decode( + # This is a base85-armored version of the EICAR test file. See + # https://en.wikipedia.org/wiki/EICAR_test_file for details. + b'ST#=}P$fV?P+K%yP+C|uG$>GBDK|qyDK~v2MM*<JQY}+dK~6+LQba95P' + b'E<)&Nm5l)EmTEQR4qnHOhq9iNGnJx' + ) + ) + # Give an AV engine time to scan the file. + time.sleep(2) + util.unlink(repo.cachevfs.join('eicar-test-file.com')) + + @command(b'debugapplystreamclonebundle', [], b'FILE') def debugapplystreamclonebundle(ui, repo, fname): """apply a stream clone bundle file"""
--- a/tests/test-completion.t Fri Jul 17 03:28:52 2020 +0200 +++ b/tests/test-completion.t Wed Apr 01 08:42:00 2020 -0500 @@ -74,6 +74,7 @@ Show debug commands if there are no other candidates $ hg debugcomplete debug debugancestor + debugantivirusrunning debugapplystreamclonebundle debugbackupbundle debugbuilddag @@ -261,6 +262,7 @@ continue: dry-run copy: forget, after, at-rev, force, include, exclude, dry-run debugancestor: + debugantivirusrunning: debugapplystreamclonebundle: debugbackupbundle: recover, patch, git, limit, no-merges, stat, graph, style, template debugbuilddag: mergeable-file, overwritten-file, new-file
--- a/tests/test-help.t Fri Jul 17 03:28:52 2020 +0200 +++ b/tests/test-help.t Wed Apr 01 08:42:00 2020 -0500 @@ -971,6 +971,8 @@ debugancestor find the ancestor revision of two revisions in a given index + debugantivirusrunning + attempt to trigger an antivirus scanner to see if one is active debugapplystreamclonebundle apply a stream clone bundle file debugbackupbundle