fanquake 3e5dd94c42 Merge bitcoin/bitcoin#23909: build: use a static .tiff for macOS .dmg rather than generating
e09773d20a build: use a static .tiff for macOS .dmg over generating (fanquake)

Pull request description:

  For demonstration, after [discussion in #23778](https://github.com/bitcoin/bitcoin/pull/23778#issuecomment-1003005503), and the question as to why we can't just have a `background.tiff` that we copy into the macOS DMG, and do away with the somewhat convoluted image generation steps.

  From my understanding, the only reason we have this image generation as part of our build system is so that forks of Core can adapt the imagery for their own branding via `PACKAGE_NAME`. It don't think it provides much value to us, and could just have a static .tiff that we copy into the dmg (replacing the .svg that currently lives in macdeploy/).

  Doing this would eliminate the following build dependencies:

  For native macOS:
  * `sed` (usage in Makefile.am)
  * `librsvg` (rsvg-convert)
  * `tiffutil`

  Linux macOS cross-compile:
  * `sed` (usage in Makefille.am)
  * `librsvg`
  * `tiffcp`
  * `convert` (imagemagick)
  * `font-tuffy`

  Guix Build:
  ```bash
  bash-5.1# find guix-build-$(git rev-parse --short=12 HEAD)/output/ -type f -print0 | env LC_ALL=C sort -z | xargs -r0 sha256sum
  c98d67796863f4b1bab0ad600d46bd74e744d94072cbd4bc856a6aeaba3bb329  guix-build-e09773d20a92/output/dist-archive/bitcoin-e09773d20a92.tar.gz
  3336f90bab312798cb7665e2b4ae24d1a270fb240647d5fed8dbfcd83e3ed37e  guix-build-e09773d20a92/output/x86_64-apple-darwin/SHA256SUMS.part
  8fd680c7ee158c64bad212385df7b0b302c6c2143d4e672b4b0eb5da41f9256d  guix-build-e09773d20a92/output/x86_64-apple-darwin/bitcoin-e09773d20a92-osx-unsigned.dmg
  34f54177c2f0700e8cfaf5d85d91e404807cd9d411e22006cdff82653e5f4af2  guix-build-e09773d20a92/output/x86_64-apple-darwin/bitcoin-e09773d20a92-osx-unsigned.tar.gz
  da6b8f54ef755d40330c8eac4f5bd0329637e827be9ee61318600d5d0bdcc3dc  guix-build-e09773d20a92/output/x86_64-apple-darwin/bitcoin-e09773d20a92-osx64.tar.gz
  ```

  ![dmg](https://user-images.githubusercontent.com/863730/147847717-8121c2d2-cdd4-4781-8397-3bf2893d52cc.png)

ACKs for top commit:
  hebasto:
    ACK e09773d20a
  jarolrod:
    ACK e09773d20a
  Zero-1729:
    ACK e09773d20a

Tree-SHA512: 0ad06699a5451daa8cfaaa46759eb7bd85254a72e23f857f70d433a2ffb1a4bf6dd464d9c4ac9f8c20aab045f4e2b61c6dcdcbcceef96ce515b1a0c501665b1f
2022-01-05 10:25:03 +08:00

Bitcoin Core integration/staging tree

https://bitcoincore.org

For an immediately usable, binary version of the Bitcoin Core software, see https://bitcoincore.org/en/download/.

Further information about Bitcoin Core is available in the doc folder.

What is Bitcoin?

Bitcoin is an experimental digital currency that enables instant payments to anyone, anywhere in the world. Bitcoin uses peer-to-peer technology to operate with no central authority: managing transactions and issuing money are carried out collectively by the network. Bitcoin Core is the name of open source software which enables the use of this currency.

For more information read the original Bitcoin whitepaper.

License

Bitcoin Core is released under the terms of the MIT license. See COPYING for more information or see https://opensource.org/licenses/MIT.

Development Process

The master branch is regularly built (see doc/build-*.md for instructions) and tested, but it is not guaranteed to be completely stable. Tags are created regularly from release branches to indicate new official, stable release versions of Bitcoin Core.

The https://github.com/bitcoin-core/gui repository is used exclusively for the development of the GUI. Its master branch is identical in all monotree repositories. Release branches and tags do not exist, so please do not fork that repository unless it is for development reasons.

The contribution workflow is described in CONTRIBUTING.md and useful hints for developers can be found in doc/developer-notes.md.

Testing

Testing and code review is the bottleneck for development; we get more pull requests than we can review and test on short notice. Please be patient and help out by testing other people's pull requests, and remember this is a security-critical project where any mistake might cost people lots of money.

Automated Testing

Developers are strongly encouraged to write unit tests for new code, and to submit new unit tests for old code. Unit tests can be compiled and run (assuming they weren't disabled in configure) with: make check. Further details on running and extending unit tests can be found in /src/test/README.md.

There are also regression and integration tests, written in Python. These tests can be run (if the test dependencies are installed) with: test/functional/test_runner.py

The CI (Continuous Integration) systems make sure that every pull request is built for Windows, Linux, and macOS, and that unit/sanity tests are run automatically.

Manual Quality Assurance (QA) Testing

Changes should be tested by somebody other than the developer who wrote the code. This is especially important for large or high-risk changes. It is useful to add a test plan to the pull request description if testing the changes is not straightforward.

Translations

Changes to translations as well as new translations can be submitted to Bitcoin Core's Transifex page.

Translations are periodically pulled from Transifex and merged into the git repository. See the translation process for details on how this works.

Important: We do not accept translation changes as GitHub pull requests because the next pull from Transifex would automatically overwrite them again.

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Bitcoin Core integration/staging tree
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