Add bitcoind to eget_packages and update installation command

[kenorb]

Summary by Sourcery

Add bitcoind as an eget-managed package and make the Bitcoin Core version configurable via a new bitcoin_version variable.

New Features:

• Add support for installing Bitcoin Core bitcoind via eget as an optional package

Enhancements:

• Introduce a configurable bitcoin_version variable with a default version used in the bitcoind download URL

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✨ Finishing Touches

🧪 Generate unit tests (beta)

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[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Adds bitcoind as an eget-managed package and introduces a configurable bitcoin_version variable used to construct the download URL, including architecture-specific handling for the bitcoind binary.

File-Level Changes

Change	Details	Files
Add eget configuration for installing bitcoind from Bitcoin Core releases.	Define an eget package entry for bitcoind using a direct HTTPS URL to bitcoincore.org releases. Select architecture-specific tarball names based on eget_arch, mapping x86_64 to x86_64, arm64 to aarch64, and others to arm. Use eget’s --file and --to options to extract the bitcoind binary from the downloaded archive into a standard path.	.ansible/playbooks/tasks/eget.yml
Expose bitcoin_version as an Ansible variable and include bitcoind in the default eget_packages list.	Introduce a bitcoin_version variable with a default value, used by the bitcoind eget command. Add bitcoind to the default eget_packages list with a brief descriptive comment. Ensure the bitcoind download command falls back to the default bitcoin_version if not overridden.	.ansible/variables-example.yml

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[github-actions]

⛔ Workflow Failures Detected

The following job errors and annotations were found:

• Check / check / Link Checker at .github:126: Process completed with exit code 2.
• Check / check / Link Checker at .github:125: Summary report available at: https://github.com/kenorb/dotfiles/actions/runs/30289834085#summary-90056611669
• Check / check / Pre-commit at .github:96: Process completed with exit code 1.
• Check / check / Pre-commit at .ansible/variables-example.yml:174: Line too long (125 > 120 characters)
• Check / check / Pre-commit at .ansible/playbooks/tasks/eget.yml:118: Line too long (122 > 120 characters)
• Check / check / Pre-commit at .ansible/playbooks/tasks/eget.yml:109: Line too long (131 > 120 characters)
• Check / check / Pre-commit at .ansible/playbooks/tasks/eget.yml:88: Line too long (139 > 120 characters)
• Check / check / Pre-commit at .ansible/playbooks/tasks/eget.yml:118: 118:121 [line-length] line too long (122 > 120 characters)
• Check / check / Pre-commit at .ansible/playbooks/tasks/eget.yml:109: 109:121 [line-length] line too long (131 > 120 characters)
• Check / check / Pre-commit at .ansible/playbooks/tasks/eget.yml:88: 88:121 [line-length] line too long (139 > 120 characters)
• Check / check / Pre-commit at .ansible/variables-example.yml:174: 174:121 [line-length] line too long (125 > 120 characters)

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