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