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This introduces a new command line "--staged" and a new special type of
commit "StagedChanges". It will check the style of changes that are in
the index, so the changes that would be committed by "git commit".
"--staged" was chosen to match with "git diff --staged" command line.
Other valid name could have been "--index" or "--cached". This was
my personal preference, aliases can be added later. Note that we must
not confuse this with working tree changes, as these changes are not
picked by "git commit".
This feature is needed to implement pre-commit hook.
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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This introduces a Commit class used in the final revlist list. All the
git commands are moved into that class. This class will be used to
introduce new types of commit (StagedChanges and Amendment) needed to implement
pre-commit hook support.
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Makes the tool return 1 if there is any potential issues. This is
needed when using this tool for pre-commit hook in order to abort
the commit process.
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The tool has been renamed in 2016 to make it more obvious what it
is doing. There is no other changes needed on our side.
See https://github.com/PyCQA/pycodestyle/issues/466
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The checkstyle script expects hunks to be declared with a start line and
line count, however the unified diff format [0] declares that a single
line hunk will only have the start line:
> If a hunk contains just one line, only its start line number appears.
> Otherwise its line numbers look like ‘start,count’. An empty hunk is
> considered to start at the line that follows the hunk.
[0] https://www.gnu.org/software/diffutils/manual/html_node/Detailed-Unified.html#Detailed-Unified
Attempting to parse a single line hunk results in the following error:
File "./utils/checkstyle.py", line 110, in __init__
raise RuntimeError("Malformed diff hunk header '%s'" % line)
RuntimeError: Malformed diff hunk header '@@ -1 +1,2 @@
The DiffHunk class only makes use of the start line, and does not
utilise the line count, thus update the regex to make the unused
groups optional.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The checkstyle.py patch has a fault which it identified in itself when
updating the regex string.
--- utils/checkstyle.py
+++ utils/checkstyle.py
#105: : W605 invalid escape sequence '\+'
+ diff_header_regex = re.compile('@@ -([0-9]+)(,[0-9]+)? \+([0-9]+)(,?[0-9]+)? @@')
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1 potential style issue detected, please review
This is documented further at:
https://www.flake8rules.com/rules/W605.html
Update the string literal prefix to declare a raw byte string for the
regex parser.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add an include checker to verify usage of the C compatibility headers.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Commit b817bcec6b53 ("libcamera: Auto generate version information")
causes the build to fail in the Chromium OS build environment, because
git update-index tries to take a lock (ie. write) in the git repo that
is outside of the build directory.
The solution is to simply skip git update-index if we are building in
the Chromium OS build environment, and this decision is made if the
build directory is not a subdirectory of the source directory.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Commit b817bcec6b53 ("libcamera: Auto generate version information")
generates version information in order to automatically include it
various locations (Sphinx and Doxygen documentation, libcamera::version
variable available at runtime, and version.h available at compile time).
Unfortunately this causes lots of unnecessary rebuilds when modifying
the git tree state, which hinders development.
The problem is caused by the generated version.h being listed as a
dependency for the whole libcamera. This is required as meson (to the
best of my knowledge) doesn't provide a way to explicitly specify the
dependency of a single object file (camera_manager.o in this case, as
camera_manager.cpp is the only consumer of the generated version string)
on the custom target used to generate version.h. The dependency can't be
automatically detected at build time, like dependencies on normal
headers that are generated by parsing the source, because the version.h
header may not exist yet. The build could then fail in a racy way.
This change attempts at solving the issue by generating a version.cpp
instead of a version.h to set the git-based version. This minimises the
number of files that need to be rebuild when then git tree state
changes, while retaining the main purpose of the original automatic
version generation, the ability to access the git-based version string
at runtime. We however lose the ability to access git-based version
information at build time in an application building against libcamera,
but there is no expected use case for this.
The version string is moved from the libcamera namespace to the
CameraManager class in order to avoid including version.h inside
libcamera (in version.cpp and in camera_manager.cpp), which would create
dependencies causing more rebuild steps, as described above.
On the other hand, major, minor and patch level version numbers are
useful at build time. This commit changes the generation of version.h in
order to add three macros named LIBCAMERA_VERSION_MAJOR,
LIBCAMERA_VERSION_MINOR and LIBCAMERA_VERSION_PATCH for this purpose.
version.h is not included by any other libcamera header or source file,
and thus doesn't force a rebuild of the library.
The Sphinx and Doxygen documentation keep their git-based version
information, which is set during the configuration of the build and then
doesn't track git commits. We may want to investigate how to improve
this, but given that git-based version for the documentation has very
few use cases outside of tagging nightly builds, this isn't considered
an issue at the moment.
The documentation install directory now uses the base version string, in
order to avoid increasing the number of documentation directories
needlessly. This shouldn't cause any issue as the API should not change
without a change to the version number.
The version number generation and handling code now also standardises
the version variables to not start with a 'v' prefix in meson, in order
to simplify their handling. The prefix is added when generating the
relevant files.
Note that we go back to specifying the fallback version in the main
meson.build, in the call to the project() function. For the time being I
believe this should be a good compromise to avoid unnecessary
recompilation, and moving the fallback version to a different file for
tarball releases can be built on top of this.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Generate a version string, and provide a global string object which
allows applications to interrogate the current libcamera version
information.
The version header is automatically updated by meson on each build.
The string roughly follows the semver [0] conventions of
major.minor.patch-label as a value.
[0] https://semver.org/
A script (utils/gen-version.sh) is provided which is modelled upon the
processing from autoconf's git-version-gen. The gen-version.sh script
will look for tags in the form vX.Y as starting points for the version
string. While the repository does not have any matching tags, v0.0 will
be assumed, resulting in versions with both major and minor being set to
'0', and the patch count resulting from the number of patches in the
history to that point.
Finally, a uniquely identifying shortened hash is provided from git:
v0.0.509+0ec0edf7
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Process python additions with pep8 and report any errors that are added.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add a formatter for doxygen comments. In its initial implementation the
formatter ensures that the first word of a \return statement starts with
an uppercase letter.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add a meson.build checker that warns when tabs are used.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Introduce two new base classes for the code formatters and style
checkers, with an auto-registration mechanism that automatically uses
all derived classes. This will allow easier addition of new formatters
and checkers.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The script captures raw or processed frames from cameras based on the
Rockchip ISP1. It takes the sensor name as an argument and isn't meant
to depend on a particular platform.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add support for checkers not related to code formatting to the
checkstyle.py script, and create a first checker that catches usage of
the LOG() macro without an explicit category.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Provide an example post-commit hook which a developer can install, ensuring
that every commit gets the style checker executed on it.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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clang-format produces better results than astyle as it can better match
the libcamera coding style. Default to clang-format over astyle, fall
back to astyle if clang-format isn't found, and add a --formatter
command line option to select a formatter manually.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Enable --keep-one-line-blocks to prevent astyle from wanting to move
single inlined blocks to cover 4 lines such as:
- virtual int init() { return 0; }
+ virtual int init()
+ {
+ return 0;
+ }
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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As astyle doesn't strip trailing white spaces, strip them manually.
Organize the code to allow for new additional formatting steps if
needed.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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In order to facilitate interpretation of diffs, highlight trailing white
space at end of lines with a red background.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The git diff command is invoked with relative paths, which causes git to
fail to locate files when the checkstyle.py script is run from
subdirectories of the git tree. Fix this by prepending the absolute path
to the git tree root directory to the file names.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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checkstyle.py is a reimplementation of checkstyle.sh in Python, that
should be easier to extend with additional features.
Three additional features and enhancements are already implemented:
- While retaining the default behaviour of operating on the HEAD commit,
a list of commits can also be specified on the command line.
- Correct line numbers are printed in the diff output.
- The index and working tree are not touched, they can be dirty.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Set format and selection rectangles on the ImgU subdev as required by
the driver.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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A typo in the output files path causes the script to attempt to write
all captured frames to /. Fix it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Calling exit from a function only exits from the function, it doesn't
abort the whole script. Propagate the errors to stop operation when the
sensor or media device can't be found.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The script processes raw frames through the Intel IPU3 IMGU.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The script captures raw frames from cameras based on the Intel IPU3. It
takes the sensor name as an argument and isn't meant to depend on a
particular platform.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The IPU3 captures Bayer data in a 25-pixels-in-32-bytes packed format,
which no standard tool can process. Add a quick implementation of data
unpacking to turn raw binary files into 16 bits per pixel unpacked Bayer
data.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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