mirror of
https://github.com/pyenv/pyenv.git
synced 2024-11-21 20:47:00 -05:00
109 lines
2.3 KiB
Bash
Executable file
109 lines
2.3 KiB
Bash
Executable file
#!/usr/bin/env bash
|
|
# Summary: List all Ruby versions available to rbenv
|
|
# Usage: rbenv versions [--bare] [--skip-aliases]
|
|
#
|
|
# Lists all Ruby versions found in `$RBENV_ROOT/versions/*'.
|
|
|
|
set -e
|
|
[ -n "$RBENV_DEBUG" ] && set -x
|
|
|
|
unset bare
|
|
unset skip_aliases
|
|
# Provide rbenv completions
|
|
for arg; do
|
|
case "$arg" in
|
|
--complete )
|
|
echo --bare
|
|
echo --skip-aliases
|
|
exit ;;
|
|
--bare ) bare=1 ;;
|
|
--skip-aliases ) skip_aliases=1 ;;
|
|
* )
|
|
rbenv-help --usage versions >&2
|
|
exit 1
|
|
;;
|
|
esac
|
|
done
|
|
|
|
versions_dir="${RBENV_ROOT}/versions"
|
|
|
|
if ! enable -f "${BASH_SOURCE%/*}"/../libexec/rbenv-realpath.dylib realpath 2>/dev/null; then
|
|
if [ -n "$RBENV_NATIVE_EXT" ]; then
|
|
echo "rbenv: failed to load \`realpath' builtin" >&2
|
|
exit 1
|
|
fi
|
|
|
|
READLINK=$(type -p greadlink readlink | head -1)
|
|
if [ -z "$READLINK" ]; then
|
|
echo "rbenv: cannot find readlink - are you missing GNU coreutils?" >&2
|
|
exit 1
|
|
fi
|
|
|
|
resolve_link() {
|
|
$READLINK "$1"
|
|
}
|
|
|
|
realpath() {
|
|
local cwd="$PWD"
|
|
local path="$1"
|
|
local name
|
|
|
|
while [ -n "$path" ]; do
|
|
name="${path##*/}"
|
|
[ "$name" = "$path" ] || cd "${path%/*}"
|
|
path="$(resolve_link "$name" || true)"
|
|
done
|
|
|
|
echo "${PWD}/$name"
|
|
cd "$cwd"
|
|
}
|
|
fi
|
|
|
|
if [ -d "$versions_dir" ]; then
|
|
versions_dir="$(realpath "$versions_dir")"
|
|
fi
|
|
|
|
if [ -n "$bare" ]; then
|
|
hit_prefix=""
|
|
miss_prefix=""
|
|
current_version=""
|
|
include_system=""
|
|
else
|
|
hit_prefix="* "
|
|
miss_prefix=" "
|
|
current_version="$(rbenv-version-name || true)"
|
|
include_system="1"
|
|
fi
|
|
|
|
num_versions=0
|
|
|
|
print_version() {
|
|
if [ "$1" == "$current_version" ]; then
|
|
echo "${hit_prefix}$(rbenv-version 2>/dev/null)"
|
|
else
|
|
echo "${miss_prefix}$1"
|
|
fi
|
|
num_versions=$((num_versions + 1))
|
|
}
|
|
|
|
# Include "system" in the non-bare output, if it exists
|
|
if [ -n "$include_system" ] && RBENV_VERSION=system rbenv-which ruby >/dev/null 2>&1; then
|
|
print_version system
|
|
fi
|
|
|
|
shopt -s nullglob
|
|
for path in "$versions_dir"/*; do
|
|
if [ -d "$path" ]; then
|
|
if [ -n "$skip_aliases" ] && [ -L "$path" ]; then
|
|
target="$(realpath "$path")"
|
|
[ "${target%/*}" != "$versions_dir" ] || continue
|
|
fi
|
|
print_version "${path##*/}"
|
|
fi
|
|
done
|
|
shopt -u nullglob
|
|
|
|
if [ "$num_versions" -eq 0 ] && [ -n "$include_system" ]; then
|
|
echo "Warning: no Ruby detected on the system" >&2
|
|
exit 1
|
|
fi
|