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deb-mock/docs/Plugin-RootCache.md
robojerk 4c0dcb2522
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enhance: Add comprehensive .gitignore for deb-mock project 
- Add mock-specific build artifacts (chroot/, mock-*, mockroot/)
- Include package build files (*.deb, *.changes, *.buildinfo)
- Add development tools (.coverage, .pytest_cache, .tox)
- Include system files (.DS_Store, Thumbs.db, ._*)
- Add temporary and backup files (*.tmp, *.bak, *.backup)
- Include local configuration overrides (config.local.yaml, .env.local)
- Add test artifacts and documentation builds
- Comprehensive coverage for Python build system project

This ensures build artifacts, chroot environments, and development
tools are properly ignored in version control.
2025-08-18 23:37:49 -07:00

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layout title
default Plugin RootCache

This plugin caches your buildroots. It creates archive of your buildroot and puts it in config_opts['plugin_conf']['root_cache_opts']['dir'], which is be default /var/cache/mock/NAME_OF_CHROOT/root_cache/cache.tar.gz. It is enabled by default.

Configuration

This plugin is enabled by default and has the following values built-in:

config_opts['plugin_conf']['root_cache_enable'] = True
config_opts['plugin_conf']['root_cache_opts'] = {}
config_opts['plugin_conf']['root_cache_opts']['age_check'] = True
config_opts['plugin_conf']['root_cache_opts']['max_age_days'] = 15
config_opts['plugin_conf']['root_cache_opts']['dir'] = "%(cache_topdir)s/%(root)s/root_cache/"
config_opts['plugin_conf']['root_cache_opts']['compress_program'] = "pigz"
config_opts['plugin_conf']['root_cache_opts']['extension'] = ".gz"
config_opts['plugin_conf']['root_cache_opts']['exclude_dirs'] = ["./proc", \
   "./sys", "./dev", "./tmp/ccache", "./var/cache/yum" ]
  • age_check - if set to True (which is default), then cache date is checked. See option max_age_days bellow. Additionally if some config is newer than cache file, then the cache is invalidated as well.
  • max_age_days - if age_check is True and cache is older than this value, the cache is invalidated.
  • dir - where to put cached files.
  • compress_program - which compress program to use. By default pigz is used. If not present, then gzip is used.
  • extension - the cache file is always named as cache.tar$extension. When you use different compress program e.g. bzip2, you should set different extension e.g. ".bz2".
  • exclude_dirs - list of directories, which should not be archived.

WARNING: You should disable root_cache plugin when using lvm_root plugin - having two caches with the same contents would just slow you down.

NOTE: If you have enough disk storage you can speed-up it a bit by disabling archiving of cache:

config_opts['plugin_conf']['root_cache_opts']['compress_program'] = ""
config_opts['plugin_conf']['root_cache_opts']['extension'] = ""