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aegis change attributes - modify the attributes of a change


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


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

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 name=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 name+=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-priority";
value = "high";
name = "marketing-priority";
value = "urgent-panic-headless-chicken";
name = "engineering-priority";
value = "after-heat-death-of-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 aeget(1)'s change set
inventory pages, used by aedist -replay to decide what to download and apply.
Think of it as a "local only" flag.

boolean. If true, none of the files in this change set will not be checked by
the aede-policy(1) copyright validation.

This is set by aedist -receive when an incoming change set is changed before it
can end development. There may be more than one. The aeget(1) inventory "all"
page will show these additional UUIDs, used by the aedist -pending command..

Universal Unique Identifier
Each change set is assigned a unique universal identifier (UUID) at 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 aedist(1) and 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 aesub(5) command substitutions,
and printed using the aesub(1) command.

aeca -l The list option of the aeca(1) command may be used to print the values of all
editable change attributes. It can be groped using grep(1) or awk(1), or

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 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 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-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.

This option may be used to obtain more information about how to use the aegis

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.

This option may be used to cause listings to produce the bare minimum of
information. It is usually useful for shell scripts.

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 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.

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 "-project, "-PROJ" and "-p" are all interpreted 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 aegis are long,
this means ignoring the extra leading '-'. The "--option=value" convention is also


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.

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