upstream/mercurial-mirror Files · tests/test-revlog-mmapindex.t

dispatch: don't show list of commands on bogus command...

dispatch: don't show list of commands on bogus command If a command is ambiguous, you get this: $ hg ve hg: command 've' is ambiguous: verify version [255] If you typo a command, you get this: $ hg comit hg: unknown command 'comit' (did you mean one of commit, incoming, mycommit?) [255] But if you completely mistype a command so it no longer looks like any existing commands, you get a full list of commands. That might be useful the first time you use Mercurial, but after that it's probably more annoying than help, especially if you have the pager enabled and have a short terminal. Let's instead give a short hint telling the user to run `hg help` for more help. Differential Revision: https://phab.mercurial-scm.org/D4024

Jun Wu - - Load All Authors

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      create verbosemmap.py

        $ cat << EOF > verbosemmap.py

        > # extension to make util.mmapread verbose

        > 

        > from __future__ import absolute_import

        > 

        > from mercurial import (

        >     extensions,

        >     pycompat,

        >     util,

        > )

        > 

        > def extsetup(ui):

        >     def mmapread(orig, fp):

        >         ui.write(b"mmapping %s\n" % pycompat.bytestr(fp.name))

        >         ui.flush()

        >         return orig(fp)

        > 

        >     extensions.wrapfunction(util, 'mmapread', mmapread)

        > EOF

      setting up base repo

        $ hg init a

        $ cd a

        $ touch a

        $ hg add a

        $ hg commit -qm base

        $ for i in `$TESTDIR/seq.py 1 100` ; do

        > echo $i > a

        > hg commit -qm $i

        > done

      set up verbosemmap extension

        $ cat << EOF >> $HGRCPATH

        > [extensions]

        > verbosemmap=$TESTTMP/verbosemmap.py

        > EOF

      mmap index which is now more than 4k long

        $ hg log -l 5 -T '{rev}\n' --config experimental.mmapindexthreshold=4k

        mmapping $TESTTMP/a/.hg/store/00changelog.i

        100

        99

        98

        97

        96

      do not mmap index which is still less than 32k

        $ hg log -l 5 -T '{rev}\n' --config experimental.mmapindexthreshold=32k

        100

        99

        98

        97

        96

        $ cd ..

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				create verbosemmap.py
				$ cat << EOF > verbosemmap.py
				> # extension to make util.mmapread verbose
				>
				> from __future__ import absolute_import
				>
				> from mercurial import (
				> extensions,
				> pycompat,
				> util,
				> )
				>
				> def extsetup(ui):
				> def mmapread(orig, fp):
				> ui.write(b"mmapping %s\n" % pycompat.bytestr(fp.name))
				> ui.flush()
				> return orig(fp)
				>
				> extensions.wrapfunction(util, 'mmapread', mmapread)
				> EOF

				setting up base repo
				$ hg init a
				$ cd a
				$ touch a
				$ hg add a
				$ hg commit -qm base
				$ for i in `$TESTDIR/seq.py 1 100` ; do
				> echo $i > a
				> hg commit -qm $i
				> done

				set up verbosemmap extension
				$ cat << EOF >> $HGRCPATH
				> [extensions]
				> verbosemmap=$TESTTMP/verbosemmap.py
				> EOF

				mmap index which is now more than 4k long
				$ hg log -l 5 -T '{rev}\n' --config experimental.mmapindexthreshold=4k
				mmapping $TESTTMP/a/.hg/store/00changelog.i
				100
				99
				98
				97
				96

				do not mmap index which is still less than 32k
				$ hg log -l 5 -T '{rev}\n' --config experimental.mmapindexthreshold=32k
				100
				99
				98
				97
				96

				$ cd ..