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The query-deps, query-doc-deps, query-rel-deps, query-test-deps
and query-shell-deps targets go through dependencies and print
some information about them:
$ make query-deps
...
cowboy: cowlib git https://github.com/ninenines/cowlib 2.7.3
cowboy: ranch git https://github.com/ninenines/ranch 1.7.1
$ make query-deps QUERY="name repo version absolute_path"
...
cowboy: cowlib https://github.com/ninenines/cowlib 2.7.3 /path/to/deps/cowlib
cowboy: ranch https://github.com/ninenines/ranch 1.7.1 /path/to/deps/ranch
The query-deps target is recursive; the others aren't. This
mirrors the behavior when fetching and building dependencies.
The full list of options is:
QUERY="fetch_method name repo version extra absolute_path"
When an option has no corresponding value, "-" will be printed.
For example most fetch methods do not have extra information to
print. When there is extra information, the value will be prefixed
with a descriptive name. For example: package-name=uuid_erl
This commit also introduces changes to deps handling: some of
the functions for querying will now be used directly. In the
future the goal is to remove the old dep_name, dep_commit, etc.
functions and replace their usage with the new query functions.
Custom fetch methods should implement query functions in order
to have information about the relevant dependencies printed
properly.
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They are already listed in `$^` and thus already taken care of. No need
to visit them twice.
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To do that, we simply include the PID of the Make process in temporary
file.
We also compare the finished temporary file with the actual target file.
If they are different, the temporary file is moved to the final target,
otherwise, we just get rid of the temporary file. This way, the target
timestamp stays the same if the content does not change.
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In the case of a multi-applications repository, if one application
depends on another one (using `$(LOCAL_DEPS)`), it will now be listed in
the `list-deps` targets.
Add `ssl` to the `$(LOCAL_DEPS)` in the testcase to ensure that
applications not in `$(APPS_DIR)` are not affected by this change.
Add a changelog entry.
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We do not touch the erlang.mk file anymore. We only patch the
Makefile to include the top-level Erlang.mk by changing the
'include erlang.mk' line to look for ERLANG_MK_FILENAME if it
is defined. The modified Makefile can be committed safely.
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Before this change, the build would continue, even if a dependency
failed to build. This could lead to obscure errors in the middle of a
testsuite for instance.
With this change, the build fails immediately, exactly like when a
regular dependency fails to build.
While here, replace most uses of `|| exit $$?` with `set -e`. This
simplifies error handling if we need to add more commands to each
blocks.
Also, echo error messages to stderr.
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.. to fetch and list deps recurvively.
Therefore, they work on direct dependencies, dependencies' dependencies,
and so on. Nothing is built with those targets.
The following targets are also available to work on other kinds of
dependencies:
make fetch-doc-deps
make fetch-rel-deps
make fetch-test-deps
make fetch-shell-deps
make list-doc-deps
make list-rel-deps
make list-test-deps
make list-shell-deps
In all cases, they include "normal" and eg. "test" dependencies of the
top-level project, then only "normal" dependencies' dependencies.
It's possible to include several kinds in one go:
make fetch-deps DEP_TYPES='doc test'
make list-deps DEP_TYPES='doc test'
As it may be difficult to use the output of `make list-*` because
the list could appear after other targets output (like dependencies
fetching), the list is available in files pointed by the following
variables:
$(ERLANG_MK_RECURSIVE_DEPS_LIST)
$(ERLANG_MK_RECURSIVE_DOC_DEPS_LIST)
$(ERLANG_MK_RECURSIVE_REL_DEPS_LIST)
$(ERLANG_MK_RECURSIVE_TEST_DEPS_LIST)
$(ERLANG_MK_RECURSIVE_SHELL_DEPS_LIST)
Internally, `list-deps` is simply implemented on top of `fetch-deps`:
the latter fills a sorted log with all the directories it traversed.
`list-deps` finally just prints the log file to stdout.
Fixes #560.
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