pyenv/libexec/pyenv-version-name
Daniel Hahler 7f88eabd0b Improve pyenv version, if there is one missing
Display the other available ones still.

Fixes https://github.com/yyuu/pyenv/issues/291
2014-12-11 18:49:38 +01:00

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#!/usr/bin/env bash
# Summary: Show the current Python version
set -e
[ -n "$PYENV_DEBUG" ] && set -x
if [ -z "$PYENV_VERSION" ]; then
PYENV_VERSION_FILE="$(pyenv-version-file)"
PYENV_VERSION="$(pyenv-version-file-read "$PYENV_VERSION_FILE" || true)"
fi
if [ -z "$PYENV_VERSION" ] || [ "$PYENV_VERSION" = "system" ]; then
echo "system"
exit
fi
version_exists() {
local version="$1"
[ -d "${PYENV_ROOT}/versions/${version}" ]
}
versions=()
OLDIFS="$IFS"
{ IFS=:
any_not_installed=0
for version in ${PYENV_VERSION}; do
if version_exists "$version" || [ "$version" = "system" ]; then
versions=("${versions[@]}" "${version}")
elif version_exists "${version#python-}"; then
{ echo "warning: ignoring extraneous \`python-' prefix in version \`${version}'"
echo " (set by $(pyenv-version-origin))"
} >&2
versions=("${versions[@]}" "${version#python-}")
else
echo "pyenv: version \`$version' is not installed" >&2
any_not_installed=1
fi
done
}
IFS="$OLDIFS"
OLDIFS="$IFS"
{ IFS=:
echo "${versions[*]}"
}
IFS="$OLDIFS"
if [ "$any_not_installed" = 1 ]; then
exit 1
fi