185 lines
6.5 KiB
Markdown
185 lines
6.5 KiB
Markdown
Contents
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========
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This directory contains tools for developers working on this repository.
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clang-format-diff.py
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===================
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A script to format unified git diffs according to [.clang-format](../../src/.clang-format).
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For instance, to format the last commit with 0 lines of context,
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the script should be called from the git root folder as follows.
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```
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git diff -U0 HEAD~1.. | ./contrib/devtools/clang-format-diff.py -p1 -i -v
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```
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copyright\_header.py
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====================
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Provides utilities for managing copyright headers of `The Bitcoin Core
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developers` in repository source files. It has three subcommands:
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```
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$ ./copyright_header.py report <base_directory> [verbose]
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$ ./copyright_header.py update <base_directory>
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$ ./copyright_header.py insert <file>
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```
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Running these subcommands without arguments displays a usage string.
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copyright\_header.py report \<base\_directory\> [verbose]
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---------------------------------------------------------
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Produces a report of all copyright header notices found inside the source files
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of a repository. Useful to quickly visualize the state of the headers.
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Specifying `verbose` will list the full filenames of files of each category.
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copyright\_header.py update \<base\_directory\> [verbose]
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---------------------------------------------------------
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Updates all the copyright headers of `The Bitcoin Core developers` which were
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changed in a year more recent than is listed. For example:
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```
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// Copyright (c) <firstYear>-<lastYear> The Bitcoin Core developers
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```
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will be updated to:
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```
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// Copyright (c) <firstYear>-<lastModifiedYear> The Bitcoin Core developers
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```
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where `<lastModifiedYear>` is obtained from the `git log` history.
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This subcommand also handles copyright headers that have only a single year. In
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those cases:
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```
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// Copyright (c) <year> The Bitcoin Core developers
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```
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will be updated to:
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```
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// Copyright (c) <year>-<lastModifiedYear> The Bitcoin Core developers
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```
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where the update is appropriate.
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copyright\_header.py insert \<file\>
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------------------------------------
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Inserts a copyright header for `The Bitcoin Core developers` at the top of the
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file in either Python or C++ style as determined by the file extension. If the
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file is a Python file and it has `#!` starting the first line, the header is
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inserted in the line below it.
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The copyright dates will be set to be `<year_introduced>-<current_year>` where
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`<year_introduced>` is according to the `git log` history. If
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`<year_introduced>` is equal to `<current_year>`, it will be set as a single
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year rather than two hyphenated years.
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If the file already has a copyright for `The Bitcoin Core developers`, the
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script will exit.
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gen-manpages.sh
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===============
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A small script to automatically create manpages in ../../doc/man by running the release binaries with the -help option.
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This requires help2man which can be found at: https://www.gnu.org/software/help2man/
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With in-tree builds this tool can be run from any directory within the
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repostitory. To use this tool with out-of-tree builds set `BUILDDIR`. For
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example:
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```bash
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BUILDDIR=$PWD/build contrib/devtools/gen-manpages.sh
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```
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github-merge.py
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===============
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A small script to automate merging pull-requests securely and sign them with GPG.
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For example:
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./github-merge.py 3077
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(in any git repository) will help you merge pull request #3077 for the
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bitcoin/bitcoin repository.
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What it does:
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* Fetch master and the pull request.
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* Locally construct a merge commit.
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* Show the diff that merge results in.
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* Ask you to verify the resulting source tree (so you can do a make
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check or whatever).
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* Ask you whether to GPG sign the merge commit.
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* Ask you whether to push the result upstream.
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This means that there are no potential race conditions (where a
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pullreq gets updated while you're reviewing it, but before you click
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merge), and when using GPG signatures, that even a compromised GitHub
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couldn't mess with the sources.
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Setup
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---------
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Configuring the github-merge tool for the bitcoin repository is done in the following way:
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git config githubmerge.repository bitcoin/bitcoin
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git config githubmerge.testcmd "make -j4 check" (adapt to whatever you want to use for testing)
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git config --global user.signingkey mykeyid (if you want to GPG sign)
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Create and verify timestamps of merge commits
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---------------------------------------------
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To create or verify timestamps on the merge commits, install the OpenTimestamps
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client via `pip3 install opentimestamps-client`. Then, dowload the gpg wrapper
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`ots-git-gpg-wrapper.sh` and set it as git's `gpg.program`. See
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[the ots git integration documentation](https://github.com/opentimestamps/opentimestamps-client/blob/master/doc/git-integration.md#usage)
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for further details.
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optimize-pngs.py
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================
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A script to optimize png files in the bitcoin
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repository (requires pngcrush).
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security-check.py and test-security-check.py
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============================================
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Perform basic ELF security checks on a series of executables.
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symbol-check.py
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===============
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A script to check that the (Linux) executables produced by gitian only contain
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allowed gcc, glibc and libstdc++ version symbols. This makes sure they are
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still compatible with the minimum supported Linux distribution versions.
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Example usage after a gitian build:
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find ../gitian-builder/build -type f -executable | xargs python contrib/devtools/symbol-check.py
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If only supported symbols are used the return value will be 0 and the output will be empty.
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If there are 'unsupported' symbols, the return value will be 1 a list like this will be printed:
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.../64/test_bitcoin: symbol memcpy from unsupported version GLIBC_2.14
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.../64/test_bitcoin: symbol __fdelt_chk from unsupported version GLIBC_2.15
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.../64/test_bitcoin: symbol std::out_of_range::~out_of_range() from unsupported version GLIBCXX_3.4.15
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.../64/test_bitcoin: symbol _ZNSt8__detail15_List_nod from unsupported version GLIBCXX_3.4.15
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update-translations.py
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======================
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Run this script from the root of the repository to update all translations from transifex.
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It will do the following automatically:
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- fetch all translations
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- post-process them into valid and committable format
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- add missing translations to the build system (TODO)
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See doc/translation-process.md for more information.
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circular-dependencies.py
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========================
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Run this script from the root of the source tree (`src/`) to find circular dependencies in the source code.
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This looks only at which files include other files, treating the `.cpp` and `.h` file as one unit.
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Example usage:
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cd .../src
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../contrib/devtools/circular-dependencies.py {*,*/*,*/*/*}.{h,cpp}
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