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$ cat > engine.py << EOF
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>
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> from mercurial import templater
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>
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> class mytemplater(object):
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> def __init__(self, loader, filters, defaults):
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> self.loader = loader
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>
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> def process(self, t, map):
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> tmpl = self.loader(t)
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> for k, v in map.iteritems():
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> if k in ('templ', 'ctx', 'repo', 'revcache', 'cache'):
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> continue
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> if hasattr(v, '__call__'):
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> v = v(**map)
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> v = templater.stringify(v)
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> tmpl = tmpl.replace('{{%s}}' % k, v)
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> yield tmpl
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>
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> templater.engines['my'] = mytemplater
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> EOF
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$ hg init test
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$ echo '[extensions]' > test/.hg/hgrc
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$ echo "engine = `pwd`/engine.py" >> test/.hg/hgrc
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$ cd test
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$ cat > mymap << EOF
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> changeset = my:changeset.txt
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> EOF
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$ cat > changeset.txt << EOF
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> {{rev}} {{node}} {{author}}
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> EOF
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$ hg ci -Ama
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adding changeset.txt
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|
adding mymap
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$ hg log --style=./mymap
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0 97e5f848f0936960273bbf75be6388cd0350a32b test
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|
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|
$ cat > changeset.txt << EOF
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|
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> {{p1rev}} {{p1node}} {{p2rev}} {{p2node}}
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> EOF
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|
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$ hg ci -Ama
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|
|
$ hg log --style=./mymap
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|
|
0 97e5f848f0936960273bbf75be6388cd0350a32b -1 0000000000000000000000000000000000000000
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|
|
-1 0000000000000000000000000000000000000000 -1 0000000000000000000000000000000000000000
|
|
|
|
|
|
invalid engine type:
|
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|
|
|
|
$ echo 'changeset = unknown:changeset.txt' > unknownenginemap
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|
|
$ hg log --style=./unknownenginemap
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|
|
abort: invalid template engine: unknown
|
|
|
[255]
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$ cd ..
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