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[New] `nvm_resolve_alias`: only resolve one line of a multiline alias file

Jordan Harband 2023-10-23 14:41:14 -07:00
parent 10cdda081f
commit 6743aef70c
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GPG Key ID: 9F6A681E35EF8B56
3 changed files with 21 additions and 2 deletions
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4
nvm.sh
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@ -1177,8 +1177,10 @@ nvm_resolve_alias() {
local SEEN_ALIASES
SEEN_ALIASES="${ALIAS}"
local NVM_ALIAS_INDEX
NVM_ALIAS_INDEX=1
while true; do
ALIAS_TEMP="$(nvm_alias "${ALIAS}" 2>/dev/null || nvm_echo)"
ALIAS_TEMP="$( (nvm_alias "${ALIAS}" 2>/dev/null | command head -n "${NVM_ALIAS_INDEX}" | command tail -n 1) || nvm_echo)"
if [ -z "${ALIAS_TEMP}" ]; then
break

18
test/fast/Aliases/nvm_resolve_alias
View File

@ -2,7 +2,9 @@
die () { echo "$@" ; exit 1; }
\. ../../../nvm.sh
export NVM_DIR="$(cd ../../.. && pwd)"
\. "${NVM_DIR}/nvm.sh"
EXIT_CODE=$(nvm_resolve_alias ; echo $?)
[ $EXIT_CODE = "1" ] || die "nvm_resolve_alias without an argument did not return 1; got $EXIT_CODE"
@ -31,3 +33,17 @@ UNSTABLE="$(nvm_resolve_alias unstable)"
IOJS="$(nvm_resolve_alias iojs)"
[ "_$IOJS" = "_iojs-v0.2" ] || die "'nvm_resolve_alias iojs' was not iojs-v0.2; got $IOJS"
echo "
v0.0.1
v0.0.2
v0.0.3
" > ../../../alias/test-multi-lines
EXPECTED='v0.0.1'
ACTUAL="$(nvm_resolve_alias test-multi-lines)"
EXIT_CODE="$(nvm_resolve_alias test-multi-lines 2>&1 >/dev/null; echo $?)"
[ "${ACTUAL}" = "${EXPECTED}" ] || die "expected >${EXPECTED}<, got >${ACTUAL}<"
[ "${EXIT_CODE}" = '0' ] || die "expected exit code 0, got ${EXIT_CODE}"

1
test/fast/Aliases/teardown
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@ -16,3 +16,4 @@ rm -f "../../../alias/node"
rm -f "../../../alias/iojs"
rm -f "../../../alias/default"
rm -f "../../../alias/test-blank-lines"
rm -f "../../../alias/test-multi-lines"