shelve: move function for opening .patch file to new shelf class
The `opener()` method was used specifically for the `.patch` file, and
the new `Shelf` class deals with all files involved in a shelf, so I
renamed the function in the process.
Differential Revision: https://phab.mercurial-scm.org/D9705
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.TH CHG 1 "March 3, 2013"
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.SH NAME
chg \- a fast client for Mercurial command server
.SH SYNOPSIS
.B chg
.IR command " [" options "] [" arguments "]..."
.br
.SH DESCRIPTION
The
.B chg
command is the wrapper for
.B hg
command.
It uses the Mercurial command server to reduce start-up overhead.
.SH OPTIONS
This program accepts the same command line syntax as the
.B hg
command. Additionally it accepts the following options.
.TP
.B \-\-kill\-chg\-daemon
Terminate the background command servers.
.SH SEE ALSO
.BR hg (1),
.SH AUTHOR
Written by Yuya Nishihara <yuya@tcha.org>.