upstream/mercurial-mirror Files · tests/test-template-engine.t

tryimportone: use dirstateguard instead of beginparentchange/endparentchange...

tryimportone: use dirstateguard instead of beginparentchange/endparentchange To fix the issue that the recent (in memory) dirstate isn't visible to external process (e.g. "precommit" hook), a subsequent patch makes "localrepository.commit()" invoke "dirstate.write()" in it. This change will make "beginparentchange()" and "endparentchange()" on dirstate in "cmdutil.tryimportone()" meaningless, because: - "dirstate.write()" writes changed data into ".hg/dirstate", but - aborting between "beginparentchange()" and "endparentchange()" doesn't cause any restoring ".hg/dirstate" it just discards changes in memory. This patch uses "dirstateguard" instead of "beginparentchange()" and "endparentchange()" in "cmdutil.tryimportone()" to restore ".hg/dirstate" during a failure even if "dirstate.write()" is executed before a failure. This patch uses "lockmod.release(dsguard)" instead of "dsguard.release()", because processing may be aborted before assignment to "dsguard" , and the "if dsguard" examination for safety is redundant.

Bryan O'Sullivan - - Load All Authors

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             test-template-engine.t
        
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        $ cat > engine.py << EOF

        > 

        > from mercurial import templater

        > 

        > class mytemplater(object):

        >     def __init__(self, loader, filters, defaults):

        >         self.loader = loader

        > 

        >     def process(self, t, map):

        >         tmpl = self.loader(t)

        >         for k, v in map.iteritems():

        >             if k in ('templ', 'ctx', 'repo', 'revcache', 'cache'):

        >                 continue

        >             if hasattr(v, '__call__'):

        >                 v = v(**map)

        >             v = templater.stringify(v)

        >             tmpl = tmpl.replace('{{%s}}' % k, v)

        >         yield tmpl

        > 

        > templater.engines['my'] = mytemplater

        > EOF

        $ hg init test

        $ echo '[extensions]' > test/.hg/hgrc

        $ echo "engine = `pwd`/engine.py" >> test/.hg/hgrc

        $ cd test

        $ cat > mymap << EOF

        > changeset = my:changeset.txt

        > EOF

        $ cat > changeset.txt << EOF

        > {{rev}} {{node}} {{author}}

        > EOF

        $ hg ci -Ama

        adding changeset.txt

        adding mymap

        $ hg log --style=./mymap

        0 97e5f848f0936960273bbf75be6388cd0350a32b test

        $ cat > changeset.txt << EOF

        > {{p1rev}} {{p1node}} {{p2rev}} {{p2node}}

        > EOF

        $ hg ci -Ama

        $ hg log --style=./mymap

        0 97e5f848f0936960273bbf75be6388cd0350a32b -1 0000000000000000000000000000000000000000

        -1 0000000000000000000000000000000000000000 -1 0000000000000000000000000000000000000000

        $ cd ..

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				$ cat > engine.py << EOF
				>
				> from mercurial import templater
				>
				> class mytemplater(object):
				> def __init__(self, loader, filters, defaults):
				> self.loader = loader
				>
				> def process(self, t, map):
				> tmpl = self.loader(t)
				> for k, v in map.iteritems():
				> if k in ('templ', 'ctx', 'repo', 'revcache', 'cache'):
				> continue
				> if hasattr(v, '__call__'):
				> v = v(**map)
				> v = templater.stringify(v)
				> tmpl = tmpl.replace('{{%s}}' % k, v)
				> yield tmpl
				>
				> templater.engines['my'] = mytemplater
				> EOF
				$ hg init test
				$ echo '[extensions]' > test/.hg/hgrc
				$ echo "engine = `pwd`/engine.py" >> test/.hg/hgrc
				$ cd test
				$ cat > mymap << EOF
				> changeset = my:changeset.txt
				> EOF
				$ cat > changeset.txt << EOF
				> {{rev}} {{node}} {{author}}
				> EOF
				$ hg ci -Ama
				adding changeset.txt
				adding mymap
				$ hg log --style=./mymap
				0 97e5f848f0936960273bbf75be6388cd0350a32b test

				$ cat > changeset.txt << EOF
				> {{p1rev}} {{p1node}} {{p2rev}} {{p2node}}
				> EOF
				$ hg ci -Ama
				$ hg log --style=./mymap
				0 97e5f848f0936960273bbf75be6388cd0350a32b -1 0000000000000000000000000000000000000000
				-1 0000000000000000000000000000000000000000 -1 0000000000000000000000000000000000000000

				$ cd ..