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https://github.com/rbenv/rbenv.git
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228fbf4c4f
Bash versions before 4.4 did not support the `-d` nor `-t` flags for readarray: https://lists.gnu.org/archive/html/info-gnu/2016-09/msg00012.html This switches away from readarray/"read" completely in favor of traversing PATH by using string substitution.
50 lines
1.1 KiB
Bash
Executable file
50 lines
1.1 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Summary: List all available rbenv commands
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# Usage: rbenv commands [--sh|--no-sh]
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#
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# List names of all rbenv commands, including 3rd-party ones found in the
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# PATH or in rbenv plugins. With `--sh`, list only shell commands.
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#
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# This functionality is mainly meant for scripting. To see usage help for
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# rbenv, run `rbenv help`.
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set -e
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[ -n "$RBENV_DEBUG" ] && set -x
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# Provide rbenv completions
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if [ "$1" = "--complete" ]; then
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echo --sh
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echo --no-sh
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exit
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fi
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exclude_shell=
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command_prefix="rbenv-"
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if [ "$1" = "--sh" ]; then
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command_prefix="rbenv-sh-"
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shift
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elif [ "$1" = "--no-sh" ]; then
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exclude_shell=1
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shift
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fi
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shopt -s nullglob
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{
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PATH_remain="$PATH"
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# traverse PATH to find "rbenv-" prefixed commands
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while true; do
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path="${PATH_remain%%:*}"
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if [ -n "$path" ]; then
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for rbenv_command in "${path}/${command_prefix}"*; do
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rbenv_command="${rbenv_command##*rbenv-}"
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if [[ -z $exclude_shell || $rbenv_command != sh-* ]]; then
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echo "${rbenv_command##sh-}"
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fi
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done
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fi
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[[ $PATH_remain == *:* ]] || break
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PATH_remain="${PATH_remain#*:}"
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done
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} | sort | uniq
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