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This adds a rel tuple to the reltool release specific configuration
format as {rel, Name, Vsn, RelApps, Opts} to support the use of
{rel, Name, Vsn, RelApps, [{load_dot_erlang, false}]} for preventing
the insertion of {apply,{c,erlangrc,[]}} into the release script file
and the release boot file.
This change makes it possible to prevent releases generated with
reltool from attempting to load a ${HOME}/.erlang file which is
desirable for production deployment of Erlang, to have greater control
of what BEAM evaluates. The ${HOME}/.erlang file lacks visibility and
its location on the filesystem separate from where the release lives
means it can be misused in a way that lacks visibility.
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I did not find any legitimate use of "can not", however skipped
changing e.g RFCs archived in the source tree.
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For applications that are not included in a 'rel' spec in the reltool
config, dependencies in the .app file are not followed. This is now
corrected.
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For applications that are included in a 'rel' spec in the reltool
config, some dependency chains are not followed. E.g.
* Application x has y as included application, and y in turn has z as
included application. Then z is not included.
* Application x has y in its 'applications' tag in the .app file, and
y in turn has z as included application. Then z is not included.
This is now corrected - all app-file dependencies are recusively
followed for all applications that are included in a 'rel' spec in the
reltool config.
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Most dependencies introduced are exactly the dependencies to other
applications found by xref. That is, there might be real dependencies
missing. There might also be pure debug dependencies listed that
probably should be removed. Each application has to be manually
inspected in order to ensure that all real dependencies are listed.
All dependencies introduced are to application versions used in
OTP 17.0. This since the previously used version scheme wasn't
designed for this, and in order to minimize the work of introducing
the dependencies.
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A missing application directory is now classified as a warning if the
application is explicitly excluded.
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In the first traversal of library directories, reltool used only the
directory names in order to figure out application names. This would
succeed if the directory name was AppName only or AppName-AppVsn and
AppVsn consisted of integers separated by dots only. If the AppVsn has
any other format, then reltool would not find the correct application
name.
With this commit, reltool will first look for a .app file and use the
.app file name as the application name. This will allow different
formats of the version identifier in the directory name. Note that
reltool can still not sort (and select the latest) amongst version
identifiers of other format than integers separated by dots.
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According to documentation it should be allowed to set
incl_cond=include|exclude|derived, but if set to derived on module
level, reltool_server would crash. This has been corrected.
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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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This commit adds a normalization of the directory given with the
lib_dir parameter on application level. This will covert the path to
absolute, remove trailing slash and any occurrencies of "xxx/..".
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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
Earlier this would cause an error with reason
"Module xxx potentially included by two different applications: yyy and yyy."
This is now changed so it will only be a warning saying that the
module is duplicated in the .app file.
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OTP-9794
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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
Stopping configuration (throw/catch) at first error instead of
continuing through all steps and then returning the error at the
end.
Start of reltool_server will no longer succeed if the configuration
causes an error.
reltool:get_status can only return {error,Reason} in the case where
the reltool_server has terminated. In all other cases it will return
{ok,Warnings}.
Bug fix in this commit:
* warnings are no longer duplicated in pop-up or return from 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-9792
Start of reltool GUI sometimes crashes with a badmatch in
reltool_sys_win:do_init/1 because the #sys record fetched with
reltool_server:get_sys/1 differs from the #sys record returned from
reltool_server:start_link/1. This has been
corrected. reltool_server:start_link/1 no longer retuns the #sys
record.
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OTP-9794
OTP-9968
The main idea behind the data structure in reltool_server is that the
state shall reflect what is explicitly configured, and the tables
shall contain this configuration plus everything that is derived. In
some cases, however, this was not the complete truth:
* the application table was never read
* the module table was never updated on undo
* the state contained a lot more than what was explicitly configured
This commit re-writes major parts of the reltool_server for the sake
of unifying the way the state and tables are updated:
* The list of applications in the state now only contains those
applications and modules for which there are explicit settings in
the configuration (given at startup or changed from the GUI)
* When changing any bit of the configuration, the tables are always
emptied and every part is derived again from the configuration found
in the state
* All configuration changes now cause a re-read of the file system,
meaning that if something has changed in the file system it will be
reflected in the result of the configuration change. This is the
case even if no file system related configuration is changed
(e.g. root dir or lib dirs)
(*POSSIBLE INCOMPATIBILITY*)
* Requests for applications and modules from the GUI now always read
the tables, not the state
* When loading a new configuration file via the GUI, the old
configuration is completly scratched, and only the new is valid
(*POSSIBLE INCOMPATIBILITY*)
* The handling of escripts which include archives of applications is
changed to always produce one #app record for the escript in
addition to one for each inlined application. All modules are listed
as parts of the inlined application where it belongs and not as part
of the escript's #app record. This is a temporary solution which
will be modified and improved.
The following bugs are corrected by this commit:
* Loading a config which contains an escript via the GUI menu did not
produce the same #app record as when loading the same configuration
at reltool start. Paths, version and label could differ.
* Loading config with same escript (source) twice caused reltool to
add same module twice in #app.mods
* Loading config with same escript (inlined beam) twice caused reltool
to fail saying module is included by two different applications
* Loading config which in addition to an existing escript also adds
another escript for which the name sorts before the existing one
would cause reltool to fail saying "Application name clash"
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OTP-9794
Test cases create_release_sort and create_script_sort are added. The
test are temporarily skipped since they detected quite a few bugs that
will be corrected with OTP-9792.
The following bug is corrected in this commit:'
reltool_server did not recognize {App,InclApps} inside a 'rel'
specification in the reltool config, e.g.
{rel, "myrel", "1.0", [{myapp,[app2]}]}.
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OTP-9794
This test case revealed a bug that occurs when calling
reltool_server:get_mod after reltool_server:undo_config. get_mod reads
from the module table (ets) and not from the reltool_server state,
while undo_config only changes the state. This bug has been corrected,
so undo_config now updates both state and tables (it does the same as
set_sys).
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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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Earlier, reltool expected all module names detected under the lib
directories to have unique names. If this was not the case, the result
was undefined - i.e. the beam file of the duplicated module might be
included in multiple applications in the target area, or it might even
be excluded from all applications.
This commit adds awareness in reltool that a module might occur in
multiple applications, and it is allowed as long as the module or it's
application is explicitely excluded in all but one of the containing
applications.
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This is the correction of the bug not allowing the values 'strip' or
'all' for the app_file option in reltool.
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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 required to be started
before other applications according to their
app-file are now automatically included in
the release. The kernel and stdlib applications
are automatically included.
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Applications that are listed in a release are now
automatically included.
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* hawk/escript-add-create-and-extract:
Add type info for record fields
Remove the undocumented function escript:foldl/3
Make reltool independent of the function escript:foldl/3
Add functions to create and extract escripts
Add function zip:foldl/3 to iterate over zip archives
OTP-8521 hawk/escript-add-create-and-extract
Added function zip:foldl/3 to iterate over zip archives.
Added functions to create and extract escripts. See escript:create/2 and
escript:extract/2.
The undocumented function escript:foldl/3 has been removed. The same
functionality can be achieved with the more flexible functions
escript:extract/2 and zip:foldl/3.
Record fields has been annotated with type info. Source files as been
adapted to fit within 80 chars and trailing whitespace hasd been removed.
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While at it, adapt the source files to fit within 80 chars and
remove trailing whitespace.
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The function is undocumented and is removed. The new implementation
uses the newly introduced functions escript:extract/2 and
zip:foldl/3. These new functions are documented (which implies that
they are a part of the public API).
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