mirror of
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48 lines
950 B
Bash
Executable file
48 lines
950 B
Bash
Executable file
#!/bin/bash
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set -e
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read_version_file() {
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egrep -m 1 '[^[:space:]]' "$1"
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}
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find_version_file() {
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root="$(pwd)"
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while [ -n "$root" ]; do
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if [ -e "${root}/.rbenv-version" ]; then
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echo "${root}/.rbenv-version"
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return 0
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fi
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root="${root%/*}"
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done
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return 1
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}
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find_default_version_file() {
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default_path="$HOME/.rbenv/default"
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if [ -e "$default_path" ]; then
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echo "$default_path"
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return 0
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fi
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return 1
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}
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if [ -z "$RBENV_VERSION" ]; then
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RBENV_VERSION_FILE="$(find_version_file || find_default_version_file || true)"
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if [ -n "$RBENV_VERSION_FILE" ]; then
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RBENV_VERSION="$(read_version_file "$RBENV_VERSION_FILE")"
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else
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echo "rbenv: no default version specified" >&2
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exit 1
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fi
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fi
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RBENV_VERSION_PATH="${HOME}/.rbenv/versions/${RBENV_VERSION}"
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if [ -d "$RBENV_VERSION_PATH" ]; then
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echo "$RBENV_VERSION"
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else
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echo "rbenv: version \`$RBENV_VERSION' is not installed" >&2
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exit 1
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fi
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