Add `nvm_die_on_prefix`

Jordan Harband 2015-09-21 04:47:30 -07:00
parent eb81fba8f7
commit a1def71062
2 changed files with 98 additions and 0 deletions

38
nvm.sh
View File

@ -1250,6 +1250,44 @@ nvm_npm_global_modules() {
echo "$INSTALLS //// $LINKS"
}
nvm_die_on_prefix() {
local NVM_DELETE_PREFIX
NVM_DELETE_PREFIX="$1"
case "$NVM_DELETE_PREFIX" in
0|1) ;;
*)
echo >&2 'First argument "delete the prefix" must be zero or one'
return 1
;;
esac
local NVM_COMMAND
NVM_COMMAND="$2"
if [ -z "$NVM_COMMAND" ]; then
echo >&2 'Second argument "nvm command" must be nonempty'
return 2
fi
if ! nvm_has 'npm'; then
return
fi
local NVM_NPM_PREFIX
NVM_NPM_PREFIX="$(npm config get prefix)"
if ! (nvm_tree_contains_path "$NVM_DIR" "$NVM_NPM_PREFIX" >/dev/null 2>&1); then
if [ "_$NVM_DELETE_PREFIX" = "_1" ]; then
npm config delete prefix
else
nvm deactivate >/dev/null 2>&1
echo >&2 "nvm is not compatible with the npm config \"prefix\" option: currently set to \"$NVM_NPM_PREFIX\""
if nvm_has 'npm'; then
echo >&2 "Run \`npm config delete prefix\` or \`$NVM_COMMAND\` to unset it."
else
echo >&2 "Run \`$NVM_COMMAND\` to unset it."
fi
return 3
fi
fi
}
nvm() {
if [ $# -lt 1 ]; then
nvm help

View File

@ -0,0 +1,60 @@
#!/bin/sh
cleanup () {
alias nvm_has='\nvm_has'
alias npm='\npm'
unset -f nvm_has npm
}
die () { echo $@ ; exit 1; }
. ../../../nvm.sh
OUTPUT="$(nvm_die_on_prefix 2>&1)"
EXPECTED_OUTPUT="First argument \"delete the prefix\" must be zero or one"
EXIT_CODE="$(nvm_die_on_prefix >/dev/null 2>&1; echo $?)"
[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'nvm_die_on_prefix' did not error with '$EXPECTED_OUTPUT'; got '$OUTPUT'"
[ "_$EXIT_CODE" = "_1" ] || die "'nvm_die_on_prefix' did not exit with 1; got "$EXIT_CODE""
OUTPUT="$(nvm_die_on_prefix 2 2>&1)"
EXPECTED_OUTPUT="First argument \"delete the prefix\" must be zero or one"
EXIT_CODE="$(nvm_die_on_prefix 2 >/dev/null 2>&1; echo $?)"
[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'nvm_die_on_prefix 2' did not error with '$EXPECTED_OUTPUT'; got '$OUTPUT'"
[ "_$EXIT_CODE" = "_1" ] || die "'nvm_die_on_prefix' did not exit with 1; got "$EXIT_CODE""
OUTPUT="$(nvm_die_on_prefix 0 2>&1)"
EXPECTED_OUTPUT="Second argument \"nvm command\" must be nonempty"
EXIT_CODE="$(nvm_die_on_prefix 0 >/dev/null 2>&1; echo $?)"
[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'nvm_die_on_prefix 0' did not error with '$EXPECTED_OUTPUT'; got '$OUTPUT'"
[ "_$EXIT_CODE" = "_2" ] || die "'nvm_die_on_prefix 0' did not exit with 2; got '$EXIT_CODE'"
nvm_has() { return 1; } # ie, npm is not installed
OUTPUT="$(nvm_die_on_prefix 0 foo 2>&1)"
[ -z "$OUTPUT" ] || die "nvm_die_on_prefix was not a noop when nvm_has returns 1, got '$OUTPUT'"
nvm_has() { return 0; }
npm() {
local args
args="$@"
if [ "_$args" = "_config get prefix" ]; then
echo "$(nvm_version_dir new)/good prefix"
fi
}
OUTPUT="$(nvm_die_on_prefix 0 foo 2>&1)"
[ -z "$OUTPUT" ] || die "'nvm_die_on_prefix' was not a noop when prefix is good; got '$OUTPUT'"
npm() {
local args
args="$@"
if [ "_$args" = "_config get prefix" ]; then
echo "./bad prefix"
fi
}
OUTPUT="$(nvm_die_on_prefix 0 foo 2>&1)"
EXPECTED_OUTPUT="nvm is not compatible with the npm config \"prefix\" option: currently set to \"./bad prefix\"
Run \`npm config delete prefix\` or \`foo\` to unset it."
EXIT_CODE="$(nvm_die_on_prefix 0 foo >/dev/null 2>&1; echo $?)"
[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'nvm_die_on_prefix 0 foo' did not error with '$EXPECTED_OUTPUT' with bad prefix set; got '$OUTPUT'"
[ "_$EXIT_CODE" = "_3" ] || die "'nvm_die_on_prefix 0 foo' did not exit with 3 with bad prefix set; got '$EXIT_CODE'"
cleanup