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rbenv shell: properly declare global variables for zsh (#1566)

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With zsh `setopt warn_create_global` the "shell" command used to cause
a warning message:

    scalar parameter RBENV_VERSION_OLD created globally in function rbenv.

By using `typeset -g` specifically for zsh, this warning goes away.
This commit is contained in:
Mislav Marohnić 2024-04-29 14:20:21 +02:00 committed by GitHub
parent e8b7a27ee6
commit f2ac882579
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2 changed files with 36 additions and 0 deletions
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26
libexec/rbenv-sh-shell
View file

@ -48,6 +48,10 @@ if [ "$version" = "--unset" ]; then
echo 'set -gu RBENV_VERSION_OLD "$RBENV_VERSION"'
echo "set -e RBENV_VERSION"
;;
zsh )
echo "typeset -g RBENV_VERSION_OLD=\"\${RBENV_VERSION-}\""
echo "unset RBENV_VERSION"
;;
* )
echo 'RBENV_VERSION_OLD="${RBENV_VERSION-}"'
echo "unset RBENV_VERSION"
@ -74,6 +78,24 @@ else
echo "rbenv: RBENV_VERSION_OLD is not set" >&2
false
end
EOS
;;
zsh )
cat <<EOS
if [ -n "\${RBENV_VERSION_OLD+x}" ]; then
if [ -n "\$RBENV_VERSION_OLD" ]; then
local RBENV_VERSION_OLD_="\$RBENV_VERSION"
export RBENV_VERSION="\$RBENV_VERSION_OLD"
RBENV_VERSION_OLD="\$RBENV_VERSION_OLD_"
unset RBENV_VERSION_OLD_
else
typeset -g RBENV_VERSION_OLD="\$RBENV_VERSION"
unset RBENV_VERSION
fi
else
echo "rbenv: RBENV_VERSION_OLD is not set" >&2
false
fi
EOS
;;
* )
@ -106,6 +128,10 @@ if rbenv-prefix "$version" >/dev/null; then
echo 'set -gu RBENV_VERSION_OLD "$RBENV_VERSION"'
echo "set -gx RBENV_VERSION \"$version\""
;;
zsh )
echo "typeset -g RBENV_VERSION_OLD=\"\${RBENV_VERSION-}\""
echo "export RBENV_VERSION=\"$version\""
;;
* )
echo 'RBENV_VERSION_OLD="${RBENV_VERSION-}"'
echo "export RBENV_VERSION=\"$version\""

10
test/shell.bats
View file

@ -80,6 +80,16 @@ export RBENV_VERSION="1.2.3"
OUT
}
@test "shell change version (zsh)" {
mkdir -p "${RBENV_ROOT}/versions/1.2.3"
RBENV_SHELL=zsh run rbenv-sh-shell 1.2.3
assert_success
assert_output <<OUT
typeset -g RBENV_VERSION_OLD="\${RBENV_VERSION-}"
export RBENV_VERSION="1.2.3"
OUT
}
@test "shell change version (fish)" {
mkdir -p "${RBENV_ROOT}/versions/1.2.3"
RBENV_SHELL=fish run rbenv-sh-shell 1.2.3