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2.2 Environment Variables

Since there is no configuration file for cpt, the package manager is configured through environment variables. These can be set per operation, or be set to your shell configuration or ~/.profile. Here are the environment variables that alter the behaviour of cpt:

CPT_PATH

Set the locations of your repositories. This is set similar to the PATH variable.

XDG_CACHE_HOME

Unless this is set, the ~/.cache directory will be used instead.

CPT_CACHE

The cache directory for cpt. Default: $XDG_CACHE_HOME/cpt

CPT_CHOICE

If this is set to 0, a package installation will be aborted on conflicts. Default: 1

CPT_COMPRESS

Program used to compress package tarballs. The values should be the default suffixes for the program. Available values are:

Default: gz

CPT_DEBUG

If this is set to 1, temporary build directories will not be removed after the given operation. Default: unset

CPT_FETCH

If this is set to 0, cpt-update will not fetch the repositories. This behaviour can also be achieved by adding -n or --no-fetch as an argument. Default: 0

CPT_FORCE

If this is set to 1, some of the cpt tools will continue regardless of errors or skip certain checks. Here are some examples:

This behaviour can also be achieved by adding -f or --force as an argument to those utilities.

Default: 0

CPT_HOOK

Location for the hook file See Hooks. Default: unset

CPT_KEEPLOG

Normally, logs are deleted if the package is built successfully. If set to 1, logs will be kept even when the packages are built as intended. Default: 0

CPT_PID

If this variable is set, the temporary files will be created with this variable as the suffix, instead of the PID of the cpt process. The advantage is that you can know exactly where the build directory is located, while the disadvantage is that there will be issues with multiple operations at the same time. So the best way to use this variable is during one-time cpt calls.

CPT_PID=mesa cpt b mesa

By running the above, you will know that the created build directories will end with the *-mesa suffix.

CPT_PROMPT

If set to 0, the package manager will not prompt you for anything and will continue with the default action. This behaviour can also be achieved by adding -y or --no-prompt as an argument to some utilities. Default: 1

CPT_ROOT

If this variable is set, cpt will assume this as the system root, and will install/remove/update/list packages assuming this is the system root. This behaviour can also be achieved by adding --root as an argument to some utilities.

CPT_TEST

If set to 1, cpt-build will run tests where a package has the test build file. This behaviour can also be achieved by adding -t or --test as an argument to cpt-build. Default: 0

CPT_TMPDIR

The directory to create the build files. This can be changed (for example to /tmp) for building on RAM, saving SSD space, etc. Default: $CPT_CACHE


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