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Documentation Index

Fetch the complete documentation index at: https://docs.kosli.com/llms.txt

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Error

When capturing Kosli CLI output in a subshell variable in CI, the variable contains debug output mixed with the expected value: 
DIGEST="$(kosli fingerprint "${IMAGE_NAME}" --artifact-type=docker)"

echo "DIGEST=${DIGEST}"
DIGEST=[debug] calculated fingerprint: 2c6079df5829...
2c6079df58292ed10e8074adcb74be549b7f841a1bd8266f06bb5c518643193e

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Solution

Explicitly set --debug=false when running Kosli CLI commands in a subshell: 
DIGEST="$(kosli fingerprint "${IMAGE_NAME}" --artifact-type=docker --debug=false)"

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Context

The Kosli CLI writes debug information to stderr and all other output to stdout. In a local terminal, a $(subshell) captures only stdout. However, in many CI workflows (including GitHub and GitLab), stdout and stderr are multiplexed together, causing debug output to leak into captured variables.
Last modified on March 25, 2026