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`asdf` [v0.9.0][1] included a [bug fix][2] to not override an existing ASDF_DIR. However, if `ASDF_DIR` is not set at all, then this causes an error when using bash `set -u`, or `set -o nounset` - see [here][3] for additional info. [1]: https://github.com/asdf-vm/asdf/releases/tag/v0.9.0 [2]: https://github.com/asdf-vm/asdf/pull/1008 [3]: https://mywiki.wooledge.org/BashFAQ/112
38 lines
1.3 KiB
Bash
38 lines
1.3 KiB
Bash
# For Korn shells (ksh, mksh, etc.), capture $_ (the final parameter passed to
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# the last command) straightaway, as it will contain the path to this script.
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# For Bash, ${BASH_SOURCE[0]} will be used to obtain this script's path.
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# For Zsh and others, $0 (the path to the shell or script) will be used.
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_under="$_"
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if [ -z "${ASDF_DIR:-}" ]; then
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if [ -n "${BASH_SOURCE[0]}" ]; then
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current_script_path="${BASH_SOURCE[0]}"
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elif [[ "$_under" == *".sh" ]]; then
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current_script_path="$_under"
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else
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current_script_path="$0"
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fi
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ASDF_DIR="$(dirname "$current_script_path")"
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fi
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export ASDF_DIR
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# shellcheck disable=SC2016
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[ -d "$ASDF_DIR" ] || printf "%s\n" "$ASDF_DIR is not a directory"
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# Add asdf to PATH
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#
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# if in $PATH, remove, regardless of if it is in the right place (at the front) or not.
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# replace all occurrences - ${parameter//pattern/string}
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ASDF_BIN="${ASDF_DIR}/bin"
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ASDF_USER_SHIMS="${ASDF_DATA_DIR:-$HOME/.asdf}/shims"
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[[ ":$PATH:" == *":${ASDF_BIN}:"* ]] && PATH="${PATH//$ASDF_BIN:/}"
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[[ ":$PATH:" == *":${ASDF_USER_SHIMS}:"* ]] && PATH="${PATH//$ASDF_USER_SHIMS:/}"
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# add to front of $PATH
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PATH="${ASDF_BIN}:$PATH"
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PATH="${ASDF_USER_SHIMS}:$PATH"
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# shellcheck source=lib/asdf.sh
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# Load the asdf wrapper function
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. "${ASDF_DIR}/lib/asdf.sh"
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unset _under current_script_path ASDF_BIN ASDF_USER_SHIMS
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