expoweb/handbook/computing/qstart-hg.html

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<h2 id="tophead">CUCC Expedition Handbook - Mercurial Quick</h2>

<h1>Quick Reminder - Mercurial</h1>
<h2>Version Control Software Reminders</h2>
<p>This is NOT a tutorial. This is a set of reminders for people who already know all this stuff.

<p>Since 2019 all use of version control software requires that you 
have <a href="keyexchange.html">cryptographic key exchange</a> already set up before any of this will work on your own machine.

<p>You can, however, do all this on the <i>expo laptop</i> as this has already been configured with the right keys.
<dl>
    <dt>expoweb (The data management system)</dt>
    <dd>
      <tt>hg clone ssh://expo@expo.survex.com/expoweb</tt> (read/write)<br />
      <tt>hg clone http://expo.survex.com/repositories/home/expo/expoweb/</tt> (read-only checkout)
    </dd>

    <dt>troggle (The data management system backend)</dt>
    <dd>
      <tt>hg clone ssh://expo@expo.survex.com/troggle</tt> (read/write)<br />
      <tt>hg clone http://expo.survex.com/repositories/home/expo/troggle/</tt> (read-only checkout)
    </dd>

    <dt>loser (The survey data)</dt>
    <dd>
      <tt>hg clone ssh://expo@expo.survex.com/loser</tt> (read/write)<br />
      <tt>hg clone http://expo.survex.com/repositories/home/expo/loser/</tt> (read-only)
    </dd>

    <dt>tunneldata (The Tunnel drawings)</dt>
    <dd>
      <tt>hg clone ssh://expo@expo.survex.com/tunneldata</tt> (read/write)<br />
      <tt>hg clone http://expo.survex.com/repositories/home/expo/expoweb/</tt> (read-only)
    </dd>
</dl>
<h3><a id="Mercurialinwindows">Using Mercurial/TortoiseHg in Windows</a></h3>

<p>Read the instructions for setting up TortoiseHG in <a href="../tortoise/tortoise-win.htm">Tortoise-on-Windows</a>. But this won't work at all until you set up the key exchange using PuTty/Pageant.
<p>In Windows: install Mercurial and TortoiseHg of the relevant flavour from <a href="https://tortoisehg.bitbucket.io/">https://tortoisehg.bitbucket.io/</a> (ignoring antivirus/Windows warnings). This will install a submenu in your Programs menu)</p>

<p>To start cloning a repository: first create the folders you need for the repositories you are going to use, e.g. D:\CUCC-Expo\loser and D:\CUCC-Expo\expoweb. Then start TortoiseHg Workbench from your Programs menu, click File -> Clone repository, a dialogue box will appear. In the Source box type</p>


<p>What follows is for Linux. If you are running Windows then see below <a href="#Mercurialinwindows">Using Mercurial/TortoiseHg in Windows</a>.

<p>Mercurial can be used from the command line, but if you prefer a GUI, TourtoiseHg is highly recommended on all OSes.</p>

<p>Linux: Install mercurial and tortoisehg-nautilus from synaptic,
then restart nautilus <tt>nautilus -q</tt>. If it works, you'll be able to see the menus of tortoise within your Nautilus windows. </p>

<p>Once you've downloaded and installed a client, the first step is to create what is called a checkout of the data management system. This creates a copy on your machine which you can edit to your heart's content. The command to initially check out ('clone') the entire expo data management system is:</p>

<p><tt>hg clone ssh://expo@expo.survex.com/expoweb</tt></p>

<p>for subsequent updates</p>

<p><tt>hg update</tt></p>

<p>will generally do the trick.</p>

<p>In TortoiseHg, merely right-click on a folder you want to check out to, choose "Mercurial checkout," and enter</p>

<p><tt>ssh://expo@expo.survex.com/expoweb</tt></p>

<p>After you've made a change, commit it to you local copy with:</p>

<p><tt>hg commit</tt>   (you can specify filenames to be specific)</p>

<p>or right clicking on the folder and going to commit in TortoiseHg. Mercurial can't always work out who you are. If you see a message like "abort: no username supplied" it was probably not set up to deduce that from your environment. It's easiest to give it the info in a config file at ~/.hgrc (create it if it doesn't exist, or add these lines if it already does) containing something like</p>
<p><tt>ssh://expo@expo.survex.com/expoweb</tt></p>

<p>for expoweb (or similar for the other repositories). In the Destination box type whatever destination you want your local copies to live in on your laptop e.g. D:\CUCC-Expo\expoweb. Hit Clone, and it should hopefully prompt you for the usual beery password.

<p>The first time you do this it will probably not work as it does not recognise the server. Fix this by running putty (downloading it from <a href="https://www.chiark.greenend.org.uk/~sgtatham/putty/">https://www.chiark.greenend.org.uk/~sgtatham/putty/</a>), and connecting to the server 'expo@expo.survex.com' (on port 22). Confirm that this is the right server. If you succeed in getting a shell prompt then ssh connection are working and TortoiseHg should be able to clone the repo, and send changes back.</p>


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Documentation fixes for ssh key needs 2019-07-17 15:07:52 +01:00			`<html>`
			`<head>`
			`<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />`
			`<title>Handbook placeholder page</title>`
			`<link rel="stylesheet" type="text/css" href="../../css/main2.css" />`
			`</head>`
			`<body>`
			`<h2 id="tophead">CUCC Expedition Handbook - Mercurial Quick</h2>`

			`<h1>Quick Reminder - Mercurial</h1>`
			`<h2>Version Control Software Reminders</h2>`
			`<p>This is NOT a tutorial. This is a set of reminders for people who already know all this stuff.`

			`<p>Since 2019 all use of version control software requires that you`
fix typos and link 2019-08-03 22:49:32 +01:00			`have <a href="keyexchange.html">cryptographic key exchange</a> already set up before any of this will work on your own machine.`
Documentation fixes for ssh key needs 2019-07-17 15:07:52 +01:00
			`<p>You can, however, do all this on the <i>expo laptop</i> as this has already been configured with the right keys.`
			`<dl>`
			`<dt>expoweb (The data management system)</dt>`
			`<dd>`
			`<tt>hg clone ssh://expo@expo.survex.com/expoweb</tt> (read/write)<br />`
			`<tt>hg clone http://expo.survex.com/repositories/home/expo/expoweb/</tt> (read-only checkout)`
			`</dd>`

			`<dt>troggle (The data management system backend)</dt>`
			`<dd>`
			`<tt>hg clone ssh://expo@expo.survex.com/troggle</tt> (read/write)<br />`
			`<tt>hg clone http://expo.survex.com/repositories/home/expo/troggle/</tt> (read-only checkout)`
			`</dd>`

			`<dt>loser (The survey data)</dt>`
			`<dd>`
			`<tt>hg clone ssh://expo@expo.survex.com/loser</tt> (read/write)<br />`
			`<tt>hg clone http://expo.survex.com/repositories/home/expo/loser/</tt> (read-only)`
			`</dd>`

			`<dt>tunneldata (The Tunnel drawings)</dt>`
			`<dd>`
			`<tt>hg clone ssh://expo@expo.survex.com/tunneldata</tt> (read/write)<br />`
			`<tt>hg clone http://expo.survex.com/repositories/home/expo/expoweb/</tt> (read-only)`
			`</dd>`
			`</dl>`
			`<h3><a id="Mercurialinwindows">Using Mercurial/TortoiseHg in Windows</a></h3>`

			`<p>Read the instructions for setting up TortoiseHG in <a href="../tortoise/tortoise-win.htm">Tortoise-on-Windows</a>. But this won't work at all until you set up the key exchange using PuTty/Pageant.`
			`<p>In Windows: install Mercurial and TortoiseHg of the relevant flavour from <a href="https://tortoisehg.bitbucket.io/">https://tortoisehg.bitbucket.io/</a> (ignoring antivirus/Windows warnings). This will install a submenu in your Programs menu)</p>`

			`<p>To start cloning a repository: first create the folders you need for the repositories you are going to use, e.g. D:\CUCC-Expo\loser and D:\CUCC-Expo\expoweb. Then start TortoiseHg Workbench from your Programs menu, click File -> Clone repository, a dialogue box will appear. In the Source box type</p>`



			`<p>What follows is for Linux. If you are running Windows then see below <a href="#Mercurialinwindows">Using Mercurial/TortoiseHg in Windows</a>.`

			`<p>Mercurial can be used from the command line, but if you prefer a GUI, TourtoiseHg is highly recommended on all OSes.</p>`

			`<p>Linux: Install mercurial and tortoisehg-nautilus from synaptic,`
			`then restart nautilus <tt>nautilus -q</tt>. If it works, you'll be able to see the menus of tortoise within your Nautilus windows. </p>`

			`<p>Once you've downloaded and installed a client, the first step is to create what is called a checkout of the data management system. This creates a copy on your machine which you can edit to your heart's content. The command to initially check out ('clone') the entire expo data management system is:</p>`

			`<p><tt>hg clone ssh://expo@expo.survex.com/expoweb</tt></p>`

			`<p>for subsequent updates</p>`

			`<p><tt>hg update</tt></p>`

			`<p>will generally do the trick.</p>`

			`<p>In TortoiseHg, merely right-click on a folder you want to check out to, choose "Mercurial checkout," and enter</p>`

			`<p><tt>ssh://expo@expo.survex.com/expoweb</tt></p>`

			`<p>After you've made a change, commit it to you local copy with:</p>`

			`<p><tt>hg commit</tt> (you can specify filenames to be specific)</p>`

			`<p>or right clicking on the folder and going to commit in TortoiseHg. Mercurial can't always work out who you are. If you see a message like "abort: no username supplied" it was probably not set up to deduce that from your environment. It's easiest to give it the info in a config file at ~/.hgrc (create it if it doesn't exist, or add these lines if it already does) containing something like</p>`
			`<p><tt>ssh://expo@expo.survex.com/expoweb</tt></p>`

			`<p>for expoweb (or similar for the other repositories). In the Destination box type whatever destination you want your local copies to live in on your laptop e.g. D:\CUCC-Expo\expoweb. Hit Clone, and it should hopefully prompt you for the usual beery password.`

			<p>The first time you do this it will probably not work as it does not recognise the server. Fix this by running putty (downloading it from <a href="https://www.chiark.greenend.org.uk/~sgtatham/putty/">https://www.chiark.greenend.org.uk/~sgtatham/putty/</a>), and connecting to the server 'expo@expo.survex.com' (on port 22). Confirm that this is the right server. If you succeed in getting a shell prompt then ssh connection are working and TortoiseHg should be able to clone the repo, and send changes back.</p>


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			`<li><a href="index.htm">Expedition Handbook</a>`
			`</li>`
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