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Manual Reference Pages  -  AECA (1)


aegis change attributes - modify the attributes of a change


     Known Attribute Names
     Universal Unique Identifier
     Using Change Attributes in Scripts
Recommended Alias
Exit Status
Environment Variables
See Also


aegis -Change_Attributes -File attr[hy]file [ option... ]
aegis -Change_Attributes -Edit [ option... ]
aegis -Change_Attributes -Fix_ARchitecture
aegis -Change_Attributes I]name=I]value
aegis -Change_Attributes -List [ option... ]
aegis -Change_Attributes -Help
aegis -Change_Attributes -UUID I]string [ I]option... ]


The aegis -Change_Attributes command is used to set, edit or list the attributes of a change.

The output of the -List variant is suitable for use as input at a later time.

See aecattr(5) for a description of the file format.

The I]name=I]value form of the command may be used when you wish to add or modify change set attributes. If an attribute is already present, it will be modified; if there is more than one attribute with the same name, only the first will be modified. The I]name+=I]value form will always append the pair.


When you edit the file, you will see something like this:

brief_description = "login(1) is too fussy";
description = "When users type their password "
    "incorrectly, after three times the login(1) "
    "program should assume they have forgotten "
    "their password and automatically reset it "
    "for them.";
cause = external_enhancement;
attribute =
        name = "bugzilla";
        value = "666";
        name = "customer[hy]priority";
        value = "high";
        name = "marketing[hy]priority";
        value = "urgent[hy]panic[hy]headless[hy]chicken";
        name = "engineering[hy]priority";
        value = "after[hy]heat[hy]death[hy]of[hy]universe";

Note the semicolons, you need to get them right. Edit the fields you want to change. When you quit the editor, they will be updated.

    Known Attribute Names

While many of the anticipated used of change attributes are to allow projects to attach their own specialized data to change sets, Aegis also uses some attributes for its own purposes (and arguably, should always have done so to maximize forwards compatibility across Aegis upgrades).
  boolean. If true, this change set does not appear in I]aeget(1)’s change set inventory pages, used by I]aedist -replay to decide what to download and apply. Think of it as a "local only" flag.
  Do not show this change set in the file inventory. See I]aeget(1) for more information.
  Used when reconstructing file history, and the history tool has been changed at some point in the past.
  Set to true when a debian package upload has succeeded, and the BTS tells you the bug fixes have been accepted.
  boolean. If true, none of the files in this change set will not be checked by the I]aede[hy]policy(1) CW]copyright validation.
  Suggest options when integrating. See I]aeib(1) for more information.
  This is set by I]aedist -receive when an incoming change set is changed before it can end development. There may be more than one. The I]aeget(1) inventory "all" page will show these additional UUIDs, used by the I]aedist -pending command..
  This is set by I]aeipassP] when integrating a change. See the I]CHANGING HISTORY TOOLP] section of I]aepconfP](5) for more information.

    Universal Unique Identifier

Each change set is assigned a unique universal identifier (UUID) at I]integrate pass time. This serves to identify the change across all sites when a geographically distributed development model is being used. This may be exploited to rapidly determine which change sets need to be downloaded.

The -Universal_Unique_IDentifier option is used by the I]aedist(1) and I]aepatch(1) commands to set the UUID of a change set. It should not be used by developers.

    Using Change Attributes in Scripts

There are several ways you can use the attributes of an Aegis change in a shell script:
  The report generator is able to access change attributes. You can then have the report generator print the necessary data.
  Many change attributes can be accessed via the I]aesub(5) command substitutions, and printed using the I]aesub(1) command.
aeca -l The list option of the I]aeca(1) command may be used to print the values of all editable change attributes. It can be groped using I]grep(1) or I]awk(1), or similar.
  It is possible to get a great deal of information in XML format, including change attributes. This format can be parsed by a variety of packages.
Use the method best suited to your particular needs.


The following options are understood:
-Change I]number
  This option may be used to specify a particular change within a project. See aegis(1) for a complete description of this option.
  This option may be used to specify that only the change description is the subject of this command. It will be presented as plain text, without any of the quotes or escapes present when this command is not used.
-Edit Edit the attributes with a text editor, this is usually more convenient than supplying a text file. The VISUAL and then EDITOR environment variables are consulted for the name of the editor to use; defaults to vi(1) if neither is set. See the visual_ command and editor_ command fields in aeuconf(1) for how to override this specifically for Aegis.

Warning: Aegis tries to be well behaved when faced with errors, so the temporary file is left in your home directory where you can edit it further and re[hy]use it with a -file option.

The -edit option may not be used in the background, or when the standard input is not a terminal.

  Edit the attributes with a dumb text editor, this is most often desired when edit commands are being piped into the editor via the standard input. Only the EDITOR environment variable is consulted for the name of the editor to use; it is a fatal error if it is not set. See the editor_ command field in aeuconf(1) for how to override this specifically for Aegis.
-File filename
  Take the attributes from the specified file. The filename ‘-’ is understood to mean the standard input.
  This option may be used to replace change change’s architecture list with all of the mandatory architectures from the project configuration file, plus any of the optional architectures that match the current machine. May not be used with -file or -edit options.
-Help This option may be used to obtain more information about how to use the aegis program.
-List This option may be used to obtain a list of suitable subjects for this command. The list may be more general than expected.
-Project name
  This option may be used to select the project of interest. When no -Project option is specified, the AEGIS_PROJECT environment variable is consulted. If that does not exist, the user’s $HOME/.aegisrc file is examined for a default project field (see 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.
-TERse This option may be used to cause listings to produce the bare minimum of information. It is usually useful for shell scripts.
-Verbose This option may be used to cause aegis to produce more output. By default aegis only produces output on errors. When used with the -List option this option causes column headings to be added.
-Universal_Unique_IDentifier I]string
  This option may be used to set the UUID of change change.
-Wait This option may be used to require Aegis commands to wait for access locks, if they cannot be obtained immediately. Defaults to the user’s lock_wait_preference if not specified, see aeuconf(5) for more information.
-No_Wait This option may be used to require Aegis commands to emit a fatal error if access locks cannot be obtained immediately. Defaults to the user’s lock_wait_preference if not specified, see aeuconf(5) for more information.
See also 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 [lq]-project[rq], [lq]-PROJ[rq] and [lq]-p[rq] are all interpreted to mean the -Project option. The argument [lq]-prj[rq] 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 aegis are long, this means ignoring the extra leading ’-’. The [lq]--option=value[rq] convention is also understood.


The recommended alias for this command is

csh%    alias aeca ’aegis -ca \!* -v’
sh$     aeca(){aegis -ca "$@" -v}


It is an error if the current user is not an administrator of the specified project.


The aegis command will exit with a status of 1 on any error. The aegis command will only exit with a status of 0 if there are no errors.


See aegis(1) for a list of environment variables which may affect this command. See aepconf(5) for the project configuration file’s project_ specific field for how to set environment variables for all commands executed by Aegis.


  GUI interface to the I]aeca(1) command.
  change attributes file format
  change state file format
aepa(5) modify the attributes of a project
aesub(5) available command substitutions
  user configuration file format


aegis version 4.25.D510
Copyright © 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Peter Miller

The aegis program comes with ABSOLUTELY NO WARRANTY; for details use the ’aegis -VERSion License’ command. This is free software and you are welcome to redistribute it under certain conditions; for details use the ’aegis -VERSion License’ command.


Peter MillerE[hy]
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