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Maximum RPM: Taking the Red Hat Package Manager to the Limit
PrevAppendix E. Concise Spec File ReferenceNext

Scriptlets

This section lists the various scriptlets found in a spec file.

Build Scriptlets

Every build scriptlet has the following environment variables defined:

  • RPM_SOURCE_DIR

  • RPM_BUILD_DIR

  • RPM_DOC_DIR

  • RPM_OPT_FLAGS

  • RPM_ARCH

  • RPM_OS

  • RPM_ROOT_DIR

  • RPM_BUILD_ROOT

  • RPM_PACKAGE_NAME

  • RPM_PACKAGE_VERSION

  • RPM_PACKAGE_RELEASE

For more information on these environment variables, and build scriptlets in general, please see the section called Build-time Scripts in Chapter 13.

%prep Directive -- Unpack archives and apply patches.

The %prep scriptlet is executed first during a build, The scriptlet normally prepares the contents of a source package for building, usually by unpacking archives and applying patches. The scriptlet can contain any valid sh commands. 
%prep

See also: the section called The %prep Script in Chapter 13.

%build Directive -- Configure and compile components to be packaged.

The %build scriptlet is the second scriptlet executed during a build, immediately after %prep. The scriptlet normally builds the components to be included in a binary package, usually by configuring and compiling source code from the previously unpacked and patched archives. The scriptlet can contain any valid sh commands. 
%build

See also: the section called The %build Script in Chapter 13.

%install Directive -- Install components to be packaged.

The %install scriptlet is the third scriptlet executed during a build, immediately after %build. The scriptlet normally installs components to be included in a binary package, usually by copying files from the build directory tree to an install directory tree. The scriptlet can contain any valid sh commands. 
%install

See also: the section called The %install Script in Chapter 13.

%clean Directive -- Remove build components.

The %clean scriptlet is executed at the end of a build. The scriptlet cleans up files produced during a build, usually by removing the install directory tree. The scriptlet can contain any valid sh commands. 
%clean

See also: the section called The %clean Script in Chapter 13.

Install/Erase Scriptlets

These scriptlets are executed whenever the package is installed or erased. Each scriptlet can contain any valid sh commands.

Note: Each of the following scriptlet can be made specific to a particular subpackage by adding the subpackage name, and optionally, the -n option: 
%post bar

%preun -n bar

The subpackage name and usage of the -n option must match those defined with the %package directive.

Each scriptlet has the following environment variable defined:

  • RPM_INSTALL_PREFIX

For more information on this environment variable please see the section called Install/Erase-time Scripts in Chapter 13.

The %pre Script

The %pre scriptlet executes just before the package is to be installed. 
%pre

See also: the section called The %pre Script in Chapter 13.

The %post Script

The %post scriptlet executes just after the package is to be installed. 
%post

See also: the section called The %post Script in Chapter 13.

The %preun Script

The %preun scriptlet executes just before the package is to be erased. 
%preun

See also: the section called The %preun Script in Chapter 13.

%postun Directive

The %postun scriptlet executes just after the package is to be erased. 
%postun

See also: the section called The %postun Script in Chapter 13.

%verifyscript Directive

This section describes the verification script.

The %verifyscript Script

The %verifyscript scriptlet executes whenever the package is verified using RPM's -V option. The scriptlet can contain any valid sh commands.

See also: the section called Verification-Time Script — The %verifyscript Script in Chapter 13.

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