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+/////
+vim:set ts=4 sw=4 syntax=asciidoc noet spell spelllang=en_us:
+/////
+alpm-hooks(5)
+=============
+
+NAME
+----
+
+alpm-hooks - alpm hook file format
+
+SYNOPSIS
+--------
+
+--------
+[Trigger] (Required, Repeatable)
+Operation = Install|Upgrade|Remove (Required, Repeatable)
+Type = File|Package (Required)
+Target = <Path|PkgName> (Required, Repeatable)
+
+[Action] (Required)
+When = PreTransaction|PostTransaction (Required)
+Exec = <Command> (Required)
+Depends = <PkgName> (Optional)
+AbortOnFail (Optional, PreTransaction only)
+--------
+
+DESCRIPTION
+-----------
+
+libalpm provides the ability to specify hooks to run before or after
+transactions based on the packages and/or files being modified.  Hooks consist
+of a single '[Action]' section describing the action to be run and one or more
+'[Trigger]' section describing which transactions it should be run for.
+
+TRIGGERS
+--------
+
+Hooks must contain at least one '[Trigger]' section that determines which
+transactions will cause the hook to run.  If multiple trigger sections are
+defined the hook will run if the transaction matches *any* of the triggers.
+
+*Operation =* Install|Upgrade|Remove::
+	Select the type of operation to match targets against.  May be specified
+	multiple times.  Installations are considered an upgrade if the package or
+	file is already present on the system regardless of whether the new package
+	version is actually greater than the currently installed version.  For File
+	triggers, this is true even if the file changes ownership from one package
+	to another.  Required.
+
+*Type =* File|Package::
+	Select whether targets are matched against transaction packages or files.
+	See CAVEATS for special notes regarding File triggers.  Required.
+
+*Target =* <path|package>::
+	The file path or package name to match against the active transaction.
+	File paths refer to the files in the package archive; the installation root
+	should *not* be included in the path.  Shell-style glob patterns are
+	allowed. It is possible to invert matches by prepending a file with an
+	exclamation mark. May be specified multiple times. Required.
+
+ACTIONS
+-------
+
+*Exec =* /path/to/executable::
+	Executable to run.  Required.
+
+*When =* PreTransaction|PostTransaction::
+	When to run the hook.  Required.
+
+*Depends =* <package>::
+	Packages that must be installed for the hook to run. May be specified
+	multiple times.
+
+*AbortOnFail*::
+	Causes the transaction to be aborted if the hook exits non-zero.  Only
+	applies to PreTransaction hooks.
+
+OVERRIDING HOOKS
+----------------
+
+Hooks may be overridden by placing a file with the same name in a higher
+priority hook directory.  Hooks may be disabled by overriding them with
+a symlink to '/dev/null'.
+
+EXAMPLES
+--------
+
+--------
+# Force disks to sync to reduce the risk of data corruption
+
+[Trigger]
+Operation = Install
+Operation = Upgrade
+Operation = Remove
+Type = Package
+Target = *
+
+[Action]
+Depends = coreutils
+When = PostTransaction
+Exec = /usr/bin/sync
+--------
+
+CAVEATS
+-------
+
+There are situations when file triggers may act in unexpected ways.  Hooks are
+triggered using the file list of the installed, upgraded, or removed package.
+When installing or upgrading a file that is extracted with a '.pacnew'
+extension, the original file name is used in triggering the hook.  When
+removing a package, all files owned by that package can trigger a hook whether
+or not they were actually present on the file system before package removal.
+
+PostTransaction hooks will *not* run if the transaction fails to complete for
+any reason.
+
+include::footer.txt[]