PATH - CI/CD Glossary Definition
PATH is the environment variable holding a colon-separated list of directories the shell searches, in order, to find an executable named on the command line.
In CI
A command not found error usually means the tool is not on PATH. Add a directory by appending its path to the $GITHUB_PATH file, which prepends it for all later steps, instead of exporting PATH inside one step where it would not persist.
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