The next time you write #!/bin/bash or invoke curl , ask: Is this dependency declared, versioned, and tested? If not, you haven’t met the standard. Now fix it.
#!/bin/sh # wrapper.sh – locate bash according to dep standard if [ -z "$BASH_VERSION:-" ]; then BASH_PATH=$(command -v bash) || echo "ERROR: bash not found in PATH" >&2 exit 1 shell dep standards
No dependency check, no version pin, no rollback. The next time you write #
These practices integrate the collective experience Shell has gained from decades of operating complex facilities, translating "lessons learned" from past successes and failures into actionable engineering rules. Key Objectives of the DEP System RUN apk add --no-cache bash=5
: Incorporates "lessons learned" from past failures and technological advancements.
RUN apk add --no-cache bash=5.2.15-r0 curl=8.5.0-r0 jq=1.6-r1 coreutils=9.4-r2 # provides GNU grep, sed, awk
# fetch-verify-run.sh curl -sSfL -o installer.sh https://example.com/install.sh grep -q "SHELL_DEP_STANDARDS_VERSION=1.0" installer.sh || echo "Untrusted installer" >&2 exit 1