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brew: fail fast when not using bash

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This commit is contained in:
XuehaiPan 2021-09-16 21:18:48 +08:00
parent 03017a84b4
commit 1be5e97e82
1 changed files with 10 additions and 8 deletions
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18
bin/brew
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@ -1,5 +1,14 @@
#!/bin/bash #!/bin/bash
set +o posix
# Fail fast with concise message when not using bash
# Single brackets is needed here for POSIX compatibility
if [ -z "${BASH_VERSION:-}" ]
then
echo "Error: Bash is required to run brew." >&2
exit 1
fi
set +o posix # as we are using bash now
# Fail fast with concise message when cwd does not exist # Fail fast with concise message when cwd does not exist
if ! [[ -d "${PWD}" ]] if ! [[ -d "${PWD}" ]]
@ -8,13 +17,6 @@ then
exit 1 exit 1
fi fi
# Fail fast with concise message when not using bash
if [ -z "${BASH_VERSION:-}" ]
then
echo "Error: Bash is required to run brew." >&2
exit 1
fi
quiet_cd() { quiet_cd() {
cd "$@" &>/dev/null || return cd "$@" &>/dev/null || return
} }