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Linux Tools Project/SpecfileEditor/User Guide

< Linux Tools Project
Revision as of 07:55, 30 September 2009 by Akurtakov.gmail.com (Talk | contribs) (Import src.rpm and export rpm and src.rpm)

Overview

The Specfile Editor Plug-in for Eclipse provides useful features to help developers manage .spec files. This plug-in allows users to leverage several Eclipse GUI features in editing .spec files, including outline/quick outline view in the editor, auto-completion, highlighting, file hyperlinks, and folding.

In addition, the Specfile Editor Plug-in also integrates the rpmlint tool into the Eclipse interface. rpmlint is a command-line tool that helps developers detect common RPM package errors. The richer visualization offered by the Eclipse interface helps developers quickly detect, view, and correct mistakes reported by rpmlint.

Installing

In order for the Specfile Editor Plug-in for Eclipse to work, you should have the rpmlint package installed.

Once the rpmlint package is installed, the easiest way to install the Valgrind plug-in for Eclipse is through the Software Updates and Add-ons menu. For information on how to use this menu, refer to http://wiki.eclipse.org/Linux_Tools_Project/PluginInstallHelp.

General Usage

To fully benefit from all the features offered by the Specfile Editor, ensure that your .spec file is part of a project inside the Eclipse workspace. rpmlint integration, file hyperlinks, and some auto-completion features are not available otherwise. The following screenshot provides an impression of the full interface benefits provided by the Specfile Editor plug-in:
Specfile generic.png

Creating a New RPM project

Creating a New Specfile

The Specfile Editor plug-in provides a wizard for creating new .spec files. To use this wizard, navigate first to File > New > Other... ; then, expand the RPM Wizards entry to select New specfile based on a template.

Specfile new wizard.png

This will open the Specfile Creation wizard, which provides an interface for generating the basic contents of a .spec file.

Specfile new from template.png

The Specfile Creation wizard contains the following fields:


Project
This field associates the generated .spec with a project in the current workspace, which ultimately specifies where the .spec will be saved. The Select a project... button allows you to select a specific project for this field with ease. By default, the Specfile Editor plug-in specifies the last active project when you invoked the Specfile Creation wizard.
Select a template
This drop-down list allows you to select a .spec template to use. You can install templates provided by rpmdevtools, which is available https://fedorahosted.org/rpmdevtools .
Version
This fills in the Version: line of the .spec file.
Summary
This fills in the Summary: line of the .spec file.
Group
This drop-down list allows you to select a package group to which the project belongs.
License
This fills in the License: line of the .spec file.
URL
This fills in the URL: line of the .spec file, which typically specifies the public home page of the project.
Source0
This field specifies the source archive from which the package is built.

rpmlint

To enable rpmlint warnings, right-click on the project containing the .spec file. Then, select Add/Remove rpmlint warnings from the context menu. You can use this menu selection to disable rpmlint warnings as well.

Specfile enable rpmlint.png

Enabling rpmlint warnings will add a new rpmlint builder to the project. This rpmlint builder checks the .spec file during each project build or clean. Afterwards, the builder displays any appropriate warnings and errors in the Problems pane. Each warning/error is plotted in the .spec file as well; clicking an rpmlint warning/error in the Problems pane will automatically place the insertion point on the corresponding section in the .spec file.

Specfile problems rpmlint.png


Quick Fixes

You can also directly resolve several warnings and errors through the Quick Fix menu. To access this menu, right-click on a warning or error from the Problems pane and select Quick Fix.

As the name suggests, the Quick Fix menu provides you with quick solutions to common .spec file errors and problems. For example, rpmlint detected a no-cleaning-of-buildroot error in the following %install section from the .spec file:

Specfile rpmlint fix before.png

If the Quick Fix menu can provide a solution for a particular error, it will be available in the menu. To apply it, simply select the solution (from the Select a fix: area) and the corresponding problem (from the Problems: area), then click the Finish button.

Specfile rpmlint quickfix.png

The following screenshot shows the revisions to the %install section applied by the Quick Fix menu:

Specfile rpmlint fix after.png

Import src.rpm and export rpm and src.rpm

One of the features of the RPM plugin is the ability to import src.rpm files into an Eclipse project. A selection has been added to the screen that is displayed when the Eclipse File > Import > Other pulldown item is selected. This allows you to quickly and easily import source RPMs into the Eclipse development environment.

Invoking the Eclipse SRPM Import Feature

Invoking the SRPM Import feature of Eclipse is a very simple matter. At the top of the Eclipse click on File which causes a pulldown menu to appear. From this menu click on Import. This causes the screen below to appear:

Specfile import srpm.png

From this screen select Source RPM and then Next to activate the next screen shown here:

Configuring Specfile Editor Settings

To configure Specfile Editor settings, navigate to Window / Preferences. Then, from the left pane of the Preferences menu, select Specfile Editor.

Specfile settings changelog.png

Upon selecting the Specfile Editor menu, you can configure the format and locale of Changelog entries. To edit the actual content of your Changelogs, click the ChangeLog hyperlink in the menu, or use Ctrl+Alt+C (outside of the Preferences menu).

Macro Completion

Macro definitions enable the Specfile Editor to properly highlight and autocompile .spec files. The Macro Completion sub-menu allows you to add/remove macro definitions and configure how the Specfile Editor should present macro values during mouse hovers.

Specfile settings macros.png

The Macro Definitions section shows what macros the Specfile Editor is using. You can add, delete, and reorder macros using the buttons to the left of this section.

The Mouse hover content section enables you to specify what kind of information about a macro value whenever you hover your mouse over it. You can choose whether to display the contents or description of a macro value. The following screenshots illustrate the difference between both options:

Show macro descriptions
Specfile macros description.png
Show macro contents
Specfile macros content.png

RPM Completions

The RPM Completions section allows you to configure generic package list settings. This section allows you to use distribution-specific references which supplement auto-completion in editing .spec files. These distribution-specific references include a list of installed RPM packages as well as online repositories.

Specfile settings rpms generic.png

RPM Completions configures the following settings:

  • Whether to use rpm or yum to build the package list
  • The path to the package list file
  • Whether or not to automatically build the RPM packages proposals list
  • When to refresh package list (Proposals RPM list build rate)

The Specfile Editor can use package management tools to build the package list. Currently, the Specfile Editor only supports yum and urpmi. If neither package management tools are present in the system, the Specfile Editor will use rpm to build the package list.

Package Information

This sub-section of RPM Completions allows you to configure what package details (i.e. RPM tags) to display during mouse hovers over appropriate values. Package Information also lets you set the number of packages to show details for.

Specfile settings rpms details.png

Package Information contains a checklist of RPM tags (e.g. Name, Version, Release). The Specfile Editor displays these tags during mouse hovers on package information in the .spec file. You can also set a threshold for the number of proposals that enables the Specfile Editor to display this information. By default, the threshold is 10.

Rpmlint

The Rpmlint section allows you to configure where rpmlint is installed, which is useful if it is installed somewhere other than the default /usr/bin/rpmlint. This section also allows you to set whether warnings should be used for tabs or spaces, which is useful if you use both in the .spec file.

Specfile settings rpmlint.png

Task Tags

The Task Tags section allows the Specfile Editor to identify specific strings as task tags. The Specfile Editor will only search for these strings in comments. By default, the Specfile Editor identifies the strings TODO and FIXME as task tags.

Specfile settings tasks.png

Whenever the Specfile Editor finds a task tag in the .spec file, it adds the tag to the Tasks view and plots an appropriate marker in the editor. Clicking the tag in the Tasks view will automatically place the insertion point on the corresponding string in the .spec file.

Screenshot-taskscreenshot.png

Templates

The Templates section allows you to share and manage different .spec file directive/section templates for all contexts.

Specfile settings templates.png

The Import and Export functions allow you to share templates with other developers who may also be working on the same package. The New and Edit buttons open a menu for adding or revising templates; they both contain the same options.

Screenshot-edittemplate.png

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