mirror of
https://github.com/pyenv/pyenv.git
synced 2024-11-29 01:52:52 -05:00
63 lines
1.3 KiB
Bash
Executable file
63 lines
1.3 KiB
Bash
Executable file
#!/usr/bin/env bash
|
|
# Summary: List all Python versions available to pyenv
|
|
# Usage: pyenv versions [--bare]
|
|
#
|
|
# Lists all Python versions found in `$PYENV_ROOT/versions/*'.
|
|
|
|
set -e
|
|
[ -n "$PYENV_DEBUG" ] && set -x
|
|
|
|
if [ "$1" = "--bare" ]; then
|
|
hit_prefix=""
|
|
miss_prefix=""
|
|
current_versions=()
|
|
include_system=""
|
|
else
|
|
hit_prefix="* "
|
|
miss_prefix=" "
|
|
OLDIFS="$IFS"
|
|
IFS=: current_versions=($(pyenv-version-name || true))
|
|
IFS="$OLDIFS"
|
|
include_system="1"
|
|
fi
|
|
|
|
num_versions=0
|
|
|
|
exists() {
|
|
local car="$1"
|
|
local cdar
|
|
shift
|
|
for cdar in "$@"; do
|
|
if [ "${car}" == "${cdar}" ]; then
|
|
return 0
|
|
fi
|
|
done
|
|
return 1
|
|
}
|
|
|
|
print_version() {
|
|
if exists "$1" "${current_versions[@]}"; then
|
|
echo "${hit_prefix}$1 (set by $(pyenv-version-origin))"
|
|
else
|
|
echo "${miss_prefix}$1"
|
|
fi
|
|
num_versions=$((num_versions + 1))
|
|
}
|
|
|
|
# Include "system" in the non-bare output, if it exists
|
|
if [ -n "$include_system" ] && PYENV_VERSION=system pyenv-which python >/dev/null 2>&1; then
|
|
print_version system
|
|
fi
|
|
|
|
shopt -s nullglob
|
|
for path in "${PYENV_ROOT}/versions/"*; do
|
|
if [ -d "$path" ]; then
|
|
print_version "${path##*/}"
|
|
fi
|
|
done
|
|
shopt -u nullglob
|
|
|
|
if [ "$num_versions" -eq 0 ] && [ -n "$include_system" ]; then
|
|
echo "Warning: no Python detected on the system" >&2
|
|
exit 1
|
|
fi
|