hgweb: catch util.Abort raised by addchangegroup Right now, if a pretxnchangegroup hook fails, we send some HTML error message to the client and the transaction is not rolled back (issue499). Catching util.Abort allows us to send a decent message to the client and for some reason makes the rollback complete. This patch is not perfect since it doesn't fix the reason why the transaction wasn't rolled back (maybe some circular references?). Also, the transaction is aborted only after we've sent the response back to the client and the "transaction aborted" message ends up in the logs of the web server.

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Mercurial's documentation is currently kept in ASCIIDOC format, which

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is a simple plain text format that's easy to read and edit. It's also

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convertible to a variety of other formats including standard UNIX man

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page format and HTML.

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To do this, you'll need to install ASCIIDOC:

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 http://www.methods.co.nz/asciidoc/

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To generate the man page:

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 asciidoc -d manpage -b docbook hg.1.txt

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 xmlto man hg.1.xml

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To display:

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 groff -mandoc -Tascii hg.1 | more

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To create the html page (without stylesheets):

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 asciidoc -b html hg.1.txt