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85 lines
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85 lines
2.9 KiB
Plaintext
<html>
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<title>PostgreSQL: Getting the source via CVS</title>
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</head>
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<body bgcolor=white text=black link=blue vlink=purple>
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<font size="+3">Getting the source via CVS</font>
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<p>If you would like to keep up with the current sources on a regular
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basis, you can fetch them from our CVS server and then use CVS to
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retrieve updates from time to time.
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<P>To do this you first need a local copy of CVS (Concurrent Version Control
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System), which you can get from
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<A HREF="http://www.cyclic.com/">http://www.cyclic.com/</A> or
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any GNU software archive site. Currently we recommend version 1.9.
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<P>Once you have installed the CVS software, do this:
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<PRE>
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cvs -d :pserver:anoncvs@postgresql.org:/usr/local/cvsroot login
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</PRE>
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You will be prompted for a password; enter '<tt>postgresql</tt>'.
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You should only need to do this once, since the password will be
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saved in <tt>.cvspass</tt> in your home directory.
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<P>Having logged in, you are ready to fetch the PostgreSQL sources.
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Do this:
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<PRE>
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cvs -z3 -d :pserver:anoncvs@postgresql.org:/usr/local/cvsroot co -P pgsql
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</PRE>
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which will install the PostgreSQL sources into a subdirectory <tt>pgsql</tt>
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of the directory you are currently in.
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<P>(If you have a fast link to the Internet, you may not need <tt>-z3</tt>,
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which instructs CVS to use gzip compression for transferred data. But
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on a modem-speed link, it's a very substantial win.)
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<P>This initial checkout is a little slower than simply downloading
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a <tt>tar.gz</tt> file; expect it to take 40 minutes or so if you
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have a 28.8K modem. The advantage of CVS doesn't show up until you
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want to update the file set later on.
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<P>Whenever you want to update to the latest CVS sources, <tt>cd</tt> into
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the <tt>pgsql</tt> subdirectory, and issue
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<PRE>
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cvs -z3 update -d -P
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</PRE>
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This will fetch only the changes since the last time you updated.
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You can update in just a couple of minutes, typically, even over
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a modem-speed line.
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<P>You can save yourself some typing by making a file <tt>.cvsrc</tt>
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in your home directory that contains
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<PRE>
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cvs -z3
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update -d -P
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</PRE>
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This supplies the <tt>-z3</tt> option to all cvs commands, and the
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<tt>-d</tt> and <tt>-P</tt> options to cvs update. Then you just have
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to say
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<PRE>
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cvs update
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</PRE>
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to update your files.
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<P><strong>CAUTION:</strong> some versions of CVS have a bug that
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causes all checked-out files to be stored world-writable in your
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directory. If you see that this has happened, you can do something like
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<PRE>
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chmod -R go-w pgsql
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</PRE>
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to set the permissions properly. This bug is allegedly fixed in the
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latest beta version of CVS, 1.9.28 ... but it may have other, less
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predictable bugs.
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<P>CVS can do a lot of other things, such as fetching prior revisions
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of the PostgreSQL sources rather than the latest development version.
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For more info consult the manual that comes with CVS, or see the online
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documentation at <A HREF="http://www.cyclic.com/">http://www.cyclic.com/</A>.
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</body>
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</html>
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