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feat(install): Add posix shell check (#3474)

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* feat(install): Add posix shell check

* Change function name
This commit is contained in:
Kevin Song 2022-01-21 10:25:49 -06:00 committed by GitHub
parent 4f46411403
commit a84a3af002
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1 changed files with 18 additions and 1 deletions
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19
install/install.sh
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@ -40,6 +40,21 @@ has() {
command -v "$1" 1>/dev/null 2>&1 command -v "$1" 1>/dev/null 2>&1
} }
# Make sure user is not using zsh or non-POSIX-mode bash, which can cause issues
verify_shell_is_posix_or_exit() {
if [ -n "${ZSH_VERSION+x}" ]; then
error "Running installation script with \`zsh\` is known to cause errors."
error "Please use \`sh\` instead."
exit 1
elif [ -n "${BASH_VERSION+x}" ] && [ -z "${POSIXLY_CORRECT+x}" ]; then
error "Running installation script with non-POSIX \`bash\` may cause errors."
error "Please use \`sh\` instead."
exit 1
else
true # No-op: no issues detected
fi
}
# Gets path to a temporary file, even if # Gets path to a temporary file, even if
get_tmpfile() { get_tmpfile() {
suffix="$1" suffix="$1"
@ -355,7 +370,6 @@ print_install() {
printf "\n" printf "\n"
} }
is_build_available() { is_build_available() {
arch="$1" arch="$1"
platform="$2" platform="$2"
@ -399,6 +413,9 @@ if [ -z "${BASE_URL-}" ]; then
BASE_URL="https://github.com/starship/starship/releases" BASE_URL="https://github.com/starship/starship/releases"
fi fi
# Non-POSIX shells can break once executing code due to semantic differences
verify_shell_is_posix_or_exit
# parse argv variables # parse argv variables
while [ "$#" -gt 0 ]; do while [ "$#" -gt 0 ]; do
case "$1" in case "$1" in