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comparison mercurial/debugcommands.py @ 45149:87047efbc6a6

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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 4a28f5e8408e
children 91aa9bba3dc9
comparison
equal deleted inserted replaced
45148:a37f290a7124 45149:87047efbc6a6
125 raise error.Abort(_(b'either two or three arguments required')) 125 raise error.Abort(_(b'either two or three arguments required'))
126 a = r.ancestor(lookup(rev1), lookup(rev2)) 126 a = r.ancestor(lookup(rev1), lookup(rev2))
127 ui.write(b'%d:%s\n' % (r.rev(a), hex(a))) 127 ui.write(b'%d:%s\n' % (r.rev(a), hex(a)))
128 128
129 129
130 @command(b'debugantivirusrunning', [])
131 def debugantivirusrunning(ui, repo):
132 """attempt to trigger an antivirus scanner to see if one is active"""
133 with repo.cachevfs.open('eicar-test-file.com', b'wb') as f:
134 f.write(
135 util.b85decode(
136 # This is a base85-armored version of the EICAR test file. See
137 # https://en.wikipedia.org/wiki/EICAR_test_file for details.
138 b'ST#=}P$fV?P+K%yP+C|uG$>GBDK|qyDK~v2MM*<JQY}+dK~6+LQba95P'
139 b'E<)&Nm5l)EmTEQR4qnHOhq9iNGnJx'
140 )
141 )
142 # Give an AV engine time to scan the file.
143 time.sleep(2)
144 util.unlink(repo.cachevfs.join('eicar-test-file.com'))
145
146
130 @command(b'debugapplystreamclonebundle', [], b'FILE') 147 @command(b'debugapplystreamclonebundle', [], b'FILE')
131 def debugapplystreamclonebundle(ui, repo, fname): 148 def debugapplystreamclonebundle(ui, repo, fname):
132 """apply a stream clone bundle file""" 149 """apply a stream clone bundle file"""
133 f = hg.openpath(ui, fname) 150 f = hg.openpath(ui, fname)
134 gen = exchange.readbundle(ui, f, fname) 151 gen = exchange.readbundle(ui, f, fname)