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81bb14e181
readlink comes from GNU coreutils. On systems without it, rbenv used to spin out of control when it didn't have readlink or greadlink available because it would re-exec the frontend script over and over instead of the worker script in libexec. Fixes #389
113 lines
1.8 KiB
Bash
Executable file
113 lines
1.8 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Summary: Configure the shell environment for rbenv
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# Usage: eval "$(rbenv init - [--no-rehash] [<shell>])"
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set -e
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[ -n "$RBENV_DEBUG" ] && set -x
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print=""
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no_rehash=""
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for args in "$@"
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do
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if [ "$args" = "-" ]; then
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print=1
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shift
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fi
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if [ "$args" = "--no-rehash" ]; then
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no_rehash=1
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shift
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fi
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done
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shell="$1"
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if [ -z "$shell" ]; then
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shell="$(basename "$SHELL")"
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fi
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READLINK=$(type -p greadlink readlink | head -1)
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if [ -z "$READLINK" ]; then
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echo "rbenv: cannot find readlink - are you missing GNU coreutils?" >&2
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exit 1
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fi
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resolve_link() {
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$READLINK "$1"
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}
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abs_dirname() {
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local cwd="$(pwd)"
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local path="$1"
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while [ -n "$path" ]; do
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cd "${path%/*}"
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local name="${path##*/}"
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path="$(resolve_link "$name" || true)"
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done
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pwd
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cd "$cwd"
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}
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root="$(abs_dirname "$0")/.."
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if [ -z "$print" ]; then
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case "$shell" in
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bash )
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profile='~/.bash_profile'
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;;
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zsh )
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profile='~/.zshrc'
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;;
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ksh )
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profile='~/.profile'
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;;
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* )
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profile='your profile'
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;;
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esac
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{ echo "# Load rbenv automatically by adding"
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echo "# the following to ${profile}:"
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echo
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echo 'eval "$(rbenv init -)"'
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echo
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} >&2
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exit 1
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fi
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mkdir -p "${RBENV_ROOT}/"{shims,versions}
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if [[ ":${PATH}:" != *:"${RBENV_ROOT}/shims":* ]]; then
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echo 'export PATH="'${RBENV_ROOT}'/shims:${PATH}"'
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fi
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case "$shell" in
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bash | zsh )
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echo "source \"$root/completions/rbenv.${shell}\""
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;;
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esac
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if [ -z "$no_rehash" ]; then
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echo 'rbenv rehash 2>/dev/null'
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fi
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commands=(`rbenv-commands --sh`)
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IFS="|"
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cat <<EOS
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rbenv() {
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typeset command
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command="\$1"
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if [ "\$#" -gt 0 ]; then
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shift
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fi
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case "\$command" in
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${commands[*]})
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eval "\`rbenv "sh-\$command" "\$@"\`";;
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*)
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command rbenv "\$command" "\$@";;
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esac
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}
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EOS
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