Jordan Harband
17270cd532
To resolve `stable` and `unstable`, `nvm_print_implicit_alias` started an awk process per installed minor version, plus another per pre-1.0 one to check its parity. Classify the whole list in a single awk pass instead, and skip it when there is nothing to classify. The results are unchanged. Refs #3416. Refs #3811.
57 lines
2.0 KiB
Bash
Executable File
57 lines
2.0 KiB
Bash
Executable File
#!/bin/sh
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die () { echo "$@"; exit 1; }
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\. ../../../nvm.sh --no-use
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nvm_ls() { printf '%s\n' "${VERSIONS}"; }
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nvm_ls_remote() { printf '%s\n' "${VERSIONS}"; }
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VERSIONS='v0.2.3
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v0.3.4
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v0.4.6
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v0.5.7
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v1.0.0
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v1.1.0
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v20.9.1
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v20.9.2'
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for MODE in local remote; do
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[ "$(nvm_print_implicit_alias "${MODE}" stable)" = '20.9' ] || die "${MODE} stable"
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[ "$(nvm_print_implicit_alias "${MODE}" unstable)" = '0.5' ] || die "${MODE} unstable"
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done
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VERSIONS='v0.1.0
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v0.3.1'
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[ -z "$(nvm_print_implicit_alias local stable)" ] || die 'odd-only stable'
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[ "$(nvm_print_implicit_alias local unstable)" = '0.3' ] || die 'odd-only unstable'
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VERSIONS='v0.2.0
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v0.4.1'
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[ "$(nvm_print_implicit_alias local stable)" = '0.4' ] || die 'even-only stable'
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[ "$(nvm_print_implicit_alias local unstable)" = 'N/A' ] || die 'even-only unstable'
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VERSIONS=''
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[ -z "$(nvm_print_implicit_alias local stable)" ] || die 'empty stable'
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[ "$(nvm_print_implicit_alias local unstable)" = 'N/A' ] || die 'empty unstable'
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# Count actual awk launches, without timing-dependent assertions or provider calls.
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COUNT_DIR=$(mktemp -d) || die 'temporary directory'
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trap 'rm -f "${COUNT_DIR}/awk" "${COUNT_DIR}/calls"; rmdir "${COUNT_DIR}"' EXIT HUP INT TERM
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REAL_AWK=$(command -v awk)
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export REAL_AWK COUNT_DIR
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printf '%s\n' '#!/bin/sh' 'echo called >> "${COUNT_DIR}/calls"' 'exec "${REAL_AWK}" "$@"' > "${COUNT_DIR}/awk"
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chmod +x "${COUNT_DIR}/awk"
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VERSIONS='v1.0.1
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v1.1.1
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v1.2.1
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v1.3.1
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v1.4.1
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v1.5.1'
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RESULT=$(PATH="${COUNT_DIR}:${PATH}" nvm_print_implicit_alias local stable)
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[ "${RESULT}" = '1.5' ] || die 'latest minor classification'
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CALLS=$(wc -l < "${COUNT_DIR}/calls")
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[ "${CALLS}" -le 1 ] || die "classification launched ${CALLS} awk processes for six minors"
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VERSIONS=''
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: > "${COUNT_DIR}/calls"
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RESULT=$(PATH="${COUNT_DIR}:${PATH}" nvm_print_implicit_alias local unstable)
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[ "${RESULT}" = 'N/A' ] || die 'empty unstable classification'
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CALLS=$(wc -l < "${COUNT_DIR}/calls")
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[ "${CALLS}" -eq 0 ] || die "empty classification launched ${CALLS} awk processes"
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