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Provided by: aegis_4.22-2ubuntu1_i386

 

NAME

        aelock - take a lock while a command runs
 

SYNOPSIS

        aelock [ option...  ] command
        aelock -Help
        aelock -VERSion
 

DESCRIPTION

        The aelock" command is used to take a project lock while a command
        runs.  This may be used to ensure that the project state is stable
        while it is being backed up.
 
        The named command is looked for as an attribute called aelist-command
        withinn the project_specific field of the project configuration file.
 
aesub(5) substitutions
        before being executed.  The command is executed as the project owner.
aelock(1) com‐
        mand will return an exit status of one.
 
    Security Issues
        This command is a potential security problem.  Because it takes a read-
        only lock of all active branches and changes in a project, from the
        trunk down, misuse of this command is a potential denial of service
        attack.  Thus, this command is limited to project administrators only.
 
        This command could have been designed to take an arbitrary command to
sudo(1), but this would have granted users, even project
        administrators, more privileges than usual.  For this reason, the com‐
        mand is held in a source controlled, fully reviewed project configura‐
        tion file, and is simply indicated by name.
 
        The command is run as the project owner, not the executing user.  It
        has full write access (that’s the way Unix permissions work).  Like
aeb(1), this means it can wreak havoc on the project baseline and meta-
        data.  Use with extreme care.
 

OPTIONS

        The following options are understood:
 
        -Project name
                This option may be used to select the project of interest.
                When no -Project option is specified, the AEGIS_PROJECT envi‐
                ronment variable is consulted.  If that does not exist, the
                user’s $HOME/.aegisrc file is examined for a default project
aeuconf(5) for more information).  If that does not
                exist, when the user is only working on changes within a single
                project, the project name defaults to that project.  Otherwise,
                it is an error.
 
        -Help
                This option may be used to obtain more information about how to
                use the aelock program.
 
aegis(1) for options common to all aegis commands.
 
        All options may be abbreviated; the abbreviation is documented as the
        upper case letters, all lower case letters and underscores (_) are
        optional.  You must use consecutive sequences of optional letters.
 
        All options are case insensitive, you may type them in upper case or
        lower case or a combination of both, case is not important.
 
        For example: the arguments "-project, "-PROJ" and "-p" are all inter‐
        preted to mean the -Project option.  The argument "-prj" will not be
        understood, because consecutive optional characters were not supplied.
 
        Options and other command line arguments may be mixed arbitrarily on
        the command line, after the function selectors.
 
        The GNU long option names are understood.  Since all option names for
        aelock are long, this means ignoring the extra leading ’-’.  The
        "--option=value" convention is also understood.
        The aelock command will exit with a status of 1 on any error.  The
        aelock command will only exit with a status of 0 if there are no
        errors.
aegis(1) for a list of environment variables which may affect this
aepconf(5) for the project configuration file’s project_‐
        specific field for how to set environment variables for all commands
        executed by Aegis.
 

COPYRIGHT

        aelock version
        Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
        2000, 2001, 2002, 2003, 2004, 2005, 2006 Peter Miller; All rights
        reserved.
 
        The aelock program comes with ABSOLUTELY NO WARRANTY; for details use
        the ’aelock -VERSion License’ command.  This is free software and you
        are welcome to redistribute it under certain conditions; for details
        use the ’aelock -VERSion License’ command.
 

AUTHOR

        Peter Miller   E-Mail:   millerp@canb.auug.org.au
http://www.canb.auug.org.au/~millerp/
 

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Ubuntu is an African word meaning 'Humanity to others', or 'I am what I am because of who we all are'. The Ubuntu distribution brings the spirit of Ubuntu to the software world.