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With this option reltool will create a target structure with only the
applications found in specified 'lib_dirs' (on system level) or
'lib_dir' (on app level). Erts will not be included, and no
applications found under $OTP_ROOT/lib.
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Records #mod{} and #app{} are used in ets:select and must therefore
have '$1', '$2' and '_' as possible value of fields.
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As a way of specifying one specific version of an application, the
following configuration parameter is added on application level:
{lib_dir,Dir}, Dir = string()
This can be useful if the parent directory of the application
directory is not suitable to use as a lib dir on system level.
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OTP-9792
The following problems have been solved:
* reltool_target:do_merge_apps - in recursive calls to this function,
the accumulator was reverted each time causing the order of
applications listed after kernel and stdlib in the rel specification
in the configuration to sometimes be messed up.
* There are several ways to specify wich applications to include in an
application:
1) in the .app file for the including applications
2a) in the .rel file, when listing applications
2b) in the rel specification in the reltool configuration
2a (systools) and 2b (reltool) should have the same effect and
overwrite 1.
According to the documentation of systools (sasl), the default value
in 2a is an empty list. This should mean that if included
applications are not mentioned in the .rel file, then any included
application listed in the .app file will be disregarded. This is NOT
the way systools actually works. The implementation sets the default
for the .rel file to the same list as in the .app file.
Reltool earlier implemented 2b as described in the systools
documentation. However, after some discussion we decided to change
this so that reltool handles 2b in the same way as systools handles
2a since this seems more intuitive. The sasl documentation will be
altered accordingly (internal ref OTP-9980).
* If the rel specification in the reltool configuration explicitly
specified included applications to be an empty list, and the .app
file had a non-empty list, then the empty list from the rel
specification was discarded. This has been corrected so the rel
specification now, if set, always overwrites the value of
included_applications in the .app file.
* reltool would earlier add load instructions in the script/boot files
for ALL modules in the ebin directory of an application even if
mod_cond was set to app (include only modules listed in the .app
file). This has been corrected - now only modules with
#mod.is_included==true are loaded.
* reltool would earlier add start instructions in the script/boot file
for included applications. This has been corrected - included
applications shall only be loaded since the including application is
responsible for starting them.
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OTP-9792
Also correct documentation of reltool:install/2: first argument is
RelName, not Server.
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OTP-9794
This is a minor change, in order to keep tables private to
reltool_server.
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OTP-9794
Backup old configuration before starting re-configuration so rollback
is possible if configuration fails.
Store last configuration including derivates so undo does no longer
need to refresh and analyse everything from disk.
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OTP-9968
Make sure that inlined applications in an escript is included/excluded
as the escript itself, and forbid explicit configuration of the
inlined application.
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OTP-9794
The following test cases are added for the inteface from GUI to
reltool_server:
* get_config
* get_apps
* set_app_and_undo
* set_apps_and_undo
* load_config_and_undo
* reset_config_and_undo
* save_config
The following bugs were found and corrected:
* If set_apps failed, then the state of reltool_server would not
be reset to how it was before the failing operation - and every
operation done afterwards would also (seem to) fail.
* undo_config did not work after reset_config - since faulty #sys
record was stored as old_sys.
* undo_config did not work after set_app (used when changing the
content of an application from the GUI) - since old_sys was not
set. Also old_status was not set causing possible warnings to
disappear.
* undo_config did not work after set_apps (used e.g. when
excluding or including an application from the GUI) - since
old_sys was not set. Also old_status was not set causing
possible warnings to disappear.
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It is for embedded systems where all included applications must be
loaded from the boot script. If embedded_app_type is set to something
else than undefined all included applications will be included in
both the "rel" as well as in the "script".
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Applications that are listed in a release are now
automatically included.
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While at it, adapt the source files to fit within 80 chars and
remove trailing whitespace.
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