markthomas93 · June 28, 2022 16:21 · Jun 28, 2022
diff --git a/pyenv.install.sh b/pyenv.install.sh
@@ -0,0 +1,65 @@
+
+#!/usr/bin/env bash
+
+set -e
+[ -n "$PYENV_DEBUG" ] && set -x
+
+if [ -z "$PYENV_ROOT" ]; then
+  export PYENV_ROOT="${HOME}/.pyenv"
+fi
+
+colorize() {
+  if [ -t 1 ]; then printf "\e[%sm%s\e[m" "$1" "$2"
+  else echo -n "$2"
+  fi
+}
+
+# Checks for `.pyenv` file, and suggests to remove it for installing
+if [ -d "${PYENV_ROOT}" ]; then
+  { echo
+    colorize 1 "WARNING"
+    echo ": Can not proceed with installation. Kindly remove the '${PYENV_ROOT}' directory first."
+    echo
+  } >&2
+    exit 1
+fi
+
+failed_checkout() {
+  echo "Failed to git clone $1"
+  exit -1
+}
+
+checkout() {
+  [ -d "$2" ] || git -c advice.detachedHead=0 clone --branch "$3" --depth 1 "$1" "$2" || failed_checkout "$1"
+}
+
+if ! command -v git 1>/dev/null 2>&1; then
+  echo "pyenv: Git is not installed, can't continue." >&2
+  exit 1
+fi
+
+if [ -n "${USE_GIT_URI}" ]; then
+  GITHUB="git://github.com"
+else
+  GITHUB="https://github.com"
+fi
+
+checkout "${GITHUB}/pyenv/pyenv.git"            "${PYENV_ROOT}"                           "${PYENV_GIT_TAG:-master}"
+checkout "${GITHUB}/pyenv/pyenv-doctor.git"     "${PYENV_ROOT}/plugins/pyenv-doctor"      "master"
+checkout "${GITHUB}/pyenv/pyenv-installer.git"  "${PYENV_ROOT}/plugins/pyenv-installer"   "master"
+checkout "${GITHUB}/pyenv/pyenv-update.git"     "${PYENV_ROOT}/plugins/pyenv-update"      "master"
+checkout "${GITHUB}/pyenv/pyenv-virtualenv.git" "${PYENV_ROOT}/plugins/pyenv-virtualenv"  "master"
+checkout "${GITHUB}/pyenv/pyenv-which-ext.git"  "${PYENV_ROOT}/plugins/pyenv-which-ext"   "master"
+
+if ! command -v pyenv 1>/dev/null; then
+  { echo
+    colorize 1 "WARNING"
+    echo ": seems you still have not added 'pyenv' to the load path."
+    echo
+  } >&2
+
+  { # Without args, `init` commands print installation help
+    "${PYENV_ROOT}/bin/pyenv" init || true
+    "${PYENV_ROOT}/bin/pyenv" virtualenv-init || true
+  } >&2
+fi