From b71a32439f23fa7745330e48c3495c4c8a23ddf3 Mon Sep 17 00:00:00 2001
From: "matthieu.cuny" <matthieu.cuny@d2si.io>
Date: Tue, 16 Jul 2019 01:05:43 +0200
Subject: [PATCH] update script from tfenv code

---
 CHANGELOG.md               |  4 ++++
 bin/terragrunt             |  4 ++--
 bin/tgenv                  | 30 +++++++++++++++---------------
 libexec/helpers            | 26 ++++++++++++++++++++++++++
 libexec/tgenv---version    |  3 ++-
 libexec/tgenv-exec         |  5 ++---
 libexec/tgenv-install      | 38 +++++++++++++++++---------------------
 libexec/tgenv-list         | 20 +++++++++++++-------
 libexec/tgenv-list-remote  |  9 +++------
 libexec/tgenv-uninstall    | 19 +++++--------------
 libexec/tgenv-use          | 24 +++++++++++-------------
 libexec/tgenv-version-file |  2 +-
 libexec/tgenv-version-name |  8 ++------
 list_all_versions_offline  |  1 +
 14 files changed, 104 insertions(+), 89 deletions(-)
 create mode 100755 libexec/helpers

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 43df5d0..513d973 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.1.0 (Jully 15, 2019)
+
+* update script
+
 ## 0.0.2 (May 3, 2017)
 
  * Add last version on terragrunt 0.12.16
diff --git a/bin/terragrunt b/bin/terragrunt
index 262048b..b035c96 100755
--- a/bin/terragrunt
+++ b/bin/terragrunt
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 set -e
-[ -n "$TGENV_DEBUG" ] && set -x
+[ -n "${TGENV_DEBUG}" ] && set -x
 
 program="${0##*/}"
-exec tgenv exec "$@"
+exec "$(dirname "$(command -v "${0}")")/tgenv" exec "${@}"
diff --git a/bin/tgenv b/bin/tgenv
index cc9b336..bc48be4 100755
--- a/bin/tgenv
+++ b/bin/tgenv
@@ -1,26 +1,26 @@
 #!/usr/bin/env bash
 set -e
-if [ -n "$TGENV_DEBUG" ]; then
+if [ -n "${TGENV_DEBUG}" ]; then
   export PS4='+ [${BASH_SOURCE##*/}:${LINENO}] '
   set -x
 fi
 
 # http://stackoverflow.com/questions/1055671/how-can-i-get-the-behavior-of-gnus-readlink-f-on-a-mac
 readlink_f() {
-  local target_file=$1
+  local target_file="${1}"
   local file_name
 
-  while [ "$target_file" != "" ]; do
-    cd $(dirname ${target_file})
-    file_name=$(basename ${target_file})
-    target_file=$(readlink ${file_name})
+  while [ "${target_file}" != "" ]; do
+    cd "$(dirname ${target_file})"
+    file_name="$(basename "${target_file}")"
+    target_file="$(readlink "${file_name}")"
   done
 
-  echo $(pwd -P)/${file_name}
+  echo "$(pwd -P)/${file_name}"
 }
 
 if [ -z "${TGENV_ROOT}" ]; then
-  TGENV_ROOT=$(cd $(dirname $(readlink_f $0))/.. && pwd)
+  TGENV_ROOT="$(cd "$(dirname "$(readlink_f "${0}")")/.." && pwd)"
 else
   TGENV_ROOT="${TGENV_ROOT%/}"
 fi
@@ -30,15 +30,15 @@ export PATH
 export TGENV_DIR="${PWD}"
 
 abort() {
-  { if [ "$#" -eq 0 ]; then cat -
-    else echo "tgenv: $*"
+  { if [ "${#}" -eq 0 ]; then cat -
+    else echo "tgenv: ${*}"
     fi
   } >&2
   exit 1
 }
 
-command="$1"
-case "$command" in
+command="${1}"
+case "${command}" in
 "" )
   { tgenv---version
     tgenv-help
@@ -52,12 +52,12 @@ case "$command" in
   ;;
 * )
   command_path="$(command -v "tgenv-${command}" || true)"
-  if [ -z "$command_path" ];then
-    { echo "no such command '$command'"
+  if [ -z "${command_path}" ];then
+    { echo "no such command '${command}'"
       tgenv-help
     } | abort
   fi
   shift 1
-  exec "$command_path" "$@"
+  exec "${command_path}" "${@}"
   ;;
 esac
diff --git a/libexec/helpers b/libexec/helpers
new file mode 100755
index 0000000..e663ca6
--- /dev/null
+++ b/libexec/helpers
@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+function error_and_die() {
+  echo -e "tgenv: $(basename ${0}): \033[0;31m[ERROR] ${1}\033[0;39m" >&2
+  exit 1
+}
+
+function warn_and_continue() {
+  echo -e "tgenv: $(basename ${0}): \033[0;33m[WARN] ${1}\033[0;39m" >&2
+}
+
+function info() {
+  echo -e "\033[0;32m[INFO] ${1}\033[0;39m"
+}
+
+# Curl wrapper to switch TLS option for each OS
+function curlw () {
+  local TLS_OPT="--tlsv1.2"
+
+  # Check if curl is 10.12.6 or above
+  if [[ -n "$(command -v sw_vers 2>/dev/null)" && ("$(sw_vers)" =~ 10\.12\.([6-9]|[0-9]{2}) || "$(sw_vers)" =~ 10\.1[3-9]) ]]; then
+    TLS_OPT=""
+  fi
+
+  curl ${TLS_OPT} "$@"
+}
diff --git a/libexec/tgenv---version b/libexec/tgenv---version
index 9e9b350..c8568ed 100755
--- a/libexec/tgenv---version
+++ b/libexec/tgenv---version
@@ -12,11 +12,12 @@
 set -e
 [ -n "${TGENV_DEBUG}" ] && set -x
 
-version="0.0.2"
+version=$(awk '/^##/{ print $2; exit}' "${TGENV_ROOT}"/CHANGELOG.md)
 git_revision=""
 
 if cd "${BASH_SOURCE%/*}" 2>/dev/null && git remote -v 2>/dev/null | grep -q tgenv; then
   git_revision="$(git describe --tags HEAD 2>/dev/null || true)"
   git_revision="${git_revision#v}"
 fi
+
 echo "tgenv ${git_revision:-$version}"
diff --git a/libexec/tgenv-exec b/libexec/tgenv-exec
index f46e7ac..866ccc6 100755
--- a/libexec/tgenv-exec
+++ b/libexec/tgenv-exec
@@ -16,8 +16,7 @@
 set -e
 [ -n "${TGENV_DEBUG}" ] && set -x
 
-tg_v_n=`tgenv-version-name`
-export TGENV_VERSION="$tg_v_n"
+export TGENV_VERSION="$(tgenv-version-name)"
 TG_BIN_PATH="${TGENV_ROOT}/versions/${TGENV_VERSION}/terragrunt"
 export PATH="${TG_BIN_PATH}:${PATH}"
-"${TG_BIN_PATH}" "${@}"
+"${TG_BIN_PATH}" "${@}"
\ No newline at end of file
diff --git a/libexec/tgenv-install b/libexec/tgenv-install
index 0a678e2..43e1cb9 100755
--- a/libexec/tgenv-install
+++ b/libexec/tgenv-install
@@ -1,19 +1,7 @@
 #!/usr/bin/env bash
 
-function error_and_die() {
-  echo -e "tgenv: $(basename ${0}): \033[0;31m[ERROR] ${1}\033[0;39m" >&2
-  exit 1
-}
-
-function warn_and_continue() {
-  echo -e "tgenv: $(basename ${0}): \033[0;33m[WARN] ${1}\033[0;39m" >&2
-}
-
-function info() {
-  echo -e "\033[0;32m[INFO] ${1}\033[0;39m"
-}
-
 [ -n "${TGENV_DEBUG}" ] && set -x
+source "${TGENV_ROOT}/libexec/helpers"
 
 [ "${#}" -gt 1 ] && error_and_die "usage: tgenv install [<version>]"
 
@@ -22,7 +10,7 @@ declare version_requested version regex
 if [ -z "${1}" ]; then
   version_file="$(tgenv-version-file)"
   if [ "${version_file}" != "${TGENV_ROOT}/version" ]; then
-    version_requested="$(cat ${version_file} || true)"
+    version_requested="$(cat "${version_file}" || true)"
   fi
 else
   version_requested="${1}"
@@ -33,10 +21,10 @@ if [[ "${version_requested}" =~ ^latest\:.*$ ]]; then
   regex="${version_requested##*\:}"
 elif [[ "${version_requested}" =~ ^latest$ ]]; then
   version="${version_requested}"
-  regex=""
+  regex="^[0-9]\+\.[0-9]\+\.[0-9]\+$"
 else
   version="${version_requested}"
-  regex="${version_requested}"
+  regex="^${version_requested}$"
 fi
 
 [ -n "${version}" ] || error_and_die "Version is not specified"
@@ -49,29 +37,37 @@ if [ -f "${dst_path}/terragrunt" ]; then
   exit 0
 fi
 
+TGENV_ARCH="${TGENV_ARCH:-amd64}"
 case "$(uname -s)" in
   Darwin*)
-    os="darwin_amd64"
+    os="darwin_${TGENV_ARCH}"
     ;;
   MINGW64*)
-    os="windows_amd64"
+    os="windows_${TGENV_ARCH}"
+    ;;
+  MSYS_NT*)
+    os="windows_${TGENV_ARCH}"
+    ;;
+  CYGWIN_NT*)
+    os="windows_${TGENV_ARCH}"
     ;;
   *)
-    os="linux_amd64"
+    os="linux_${TGENV_ARCH}"
     ;;
 esac
 
 version_url="https://github.com/gruntwork-io/terragrunt/releases/download/v${version}"
 
-tarball_name="terragrunt_${os}"
+tarball_name="terragrunt_${os}";
 
 info "Installing Terragrunt v${version}"
 
 mkdir -p "${dst_path}" || error_and_die "Failed to make directory ${dst_path}"
 
 info "Downloading release tarball from ${version_url}/${tarball_name}"
-curl -# --tlsv1.2 --location-trusted -f -o "${dst_path}/terragrunt" "${version_url}/${tarball_name}" || error_and_die "Tarball download failed"
+curlw -# --location-trusted -f -o "${dst_path}/terragrunt" "${version_url}/${tarball_name}" || error_and_die "Tarball download failed"
 
 chmod +x "${dst_path}/terragrunt" || error_and_die "Change rights failed"
 
 info "Installation of terragrunt v${version} successful"
+tgenv-use "${version}"
diff --git a/libexec/tgenv-list b/libexec/tgenv-list
index 7fae2b1..d03d155 100755
--- a/libexec/tgenv-list
+++ b/libexec/tgenv-list
@@ -1,13 +1,9 @@
 #!/usr/bin/env bash
 
-function error_and_die() {
-  echo -e "tgenv: ${0}: ${1}" >&2
-  exit 1
-}
-
 [ -n "${TGENV_DEBUG}" ] && set -x
+source "${TGENV_ROOT}/libexec/helpers"
 
-[ ${#} -ne 0 ] \
+[ "${#}" -ne 0 ] \
   && error_and_die "usage: tgenv list"
 
 [ -d "${TGENV_ROOT}/versions" ] \
@@ -16,4 +12,14 @@ function error_and_die() {
 [[ -x "${TGENV_ROOT}/versions" && -r "${TGENV_ROOT}/versions" ]] \
   || error_and_die "tgenv versions directory is inaccessible!"
 
-ls -1 "${TGENV_ROOT}/versions" | sort -t'.' -k 1nr,1 -k 2nr,2 -k 3nr,3
+print_version () {
+    if [ "${1}" == "$(tgenv-version-name)" ]; then
+        echo "* ${1} (set by $(tgenv-version-file))"
+    else
+        echo "  ${1}"
+    fi
+}
+
+for local_version in $(ls -1 "${TGENV_ROOT}/versions" | sort -t'.' -k 1nr,1 -k 2nr,2 -k 3nr,3); do
+    print_version "${local_version}"
+done
diff --git a/libexec/tgenv-list-remote b/libexec/tgenv-list-remote
index fef8e3c..741d5c8 100755
--- a/libexec/tgenv-list-remote
+++ b/libexec/tgenv-list-remote
@@ -1,11 +1,8 @@
 #!/usr/bin/env bash
-#set -e
-
-function warn_and_continue() {
-  echo -e "tgenv: $(basename ${0}): \033[0;33m[WARN] ${1}\033[0;39m" >&2
-}
+set -e
 
 [ -n "${TGENV_DEBUG}" ] && set -x
+source "${TGENV_ROOT}/libexec/helpers"
 
 if [ ${#} -ne 0 ];then
   echo "usage: tgenv list-remote" 1>&2
@@ -13,7 +10,7 @@ if [ ${#} -ne 0 ];then
 fi
 
 link_release="https://api.github.com/repos/gruntwork-io/terragrunt/tags?per_page=1000"
-print=`curl --tlsv1.2 -sf $link_release`
+print=$(curl --tlsv1.2 -sf $link_release)
 
 return_code=$?
 if [ $return_code -eq 22 ];then
diff --git a/libexec/tgenv-uninstall b/libexec/tgenv-uninstall
index 5ed9075..7f0e895 100755
--- a/libexec/tgenv-uninstall
+++ b/libexec/tgenv-uninstall
@@ -1,24 +1,16 @@
 #!/usr/bin/env bash
 
-function error_and_die() {
-  echo -e "tgenv: $(basename ${0}): \033[0;31m[ERROR] ${1}\033[0;39m" >&2
-  exit 1
-}
-
-function info() {
-  echo -e "\033[0;32m[INFO] ${1}\033[0;39m"
-}
-
 [ -n "${TGENV_DEBUG}" ] && set -x
+source "${TGENV_ROOT}/libexec/helpers"
 
-[ ${#} -gt 1 ] && error_and_die "usage: tgenv uninstall [<version>]"
+[ "${#}" -gt 1 ] && error_and_die "usage: tgenv uninstall [<version>]"
 
 declare version_requested version regex
 
 if [ -z "${1}" ]; then
   version_file="$(tgenv-version-file)"
   if [ "${version_file}" != "${TGENV_ROOT}/version" ];then
-    version_requested="$(cat ${version_file} || true)"
+    version_requested="$(cat "${version_file}" || true)"
   fi
 else
   version_requested="${1}"
@@ -32,11 +24,11 @@ elif [[ "${version_requested}" =~ ^latest$ ]]; then
   regex=""
 else
   version="${version_requested}"
-  regex="${version_requested}"
+  regex="^${version_requested}$"
 fi
 
 [ -n "${version}" ] || error_and_die "Version is not specified"
-version="$(tgenv-list | grep -e "${regex}" | head -n 1)"
+version="$(tgenv-list | sed -E 's/^(\*| )? //g; s/ \(set by .+\)$//' | grep -e "${regex}" | head -n 1)"
 [ -n "${version}" ] || error_and_die "No versions matching '${1}' found in local"
 
 dst_path="${TGENV_ROOT}/versions/${version}"
@@ -45,4 +37,3 @@ if [ -f "${dst_path}/terragrunt" ]; then
   rm -r "${dst_path}"
   info "\033[0;32mTerragrunt v${version} is successfully uninstalled\033[0;39m"
 fi
-
diff --git a/libexec/tgenv-use b/libexec/tgenv-use
index 68cd0c7..c4ef108 100755
--- a/libexec/tgenv-use
+++ b/libexec/tgenv-use
@@ -1,13 +1,9 @@
 #!/usr/bin/env bash
 
-function error_and_die() {
-  echo -e "tgenv: ${0}: ${1}" >&2
-  exit 1
-}
-
 [ -n "${TGENV_DEBUG}" ] && set -x
+source "${TGENV_ROOT}/libexec/helpers"
 
-[ ${#} -ne 1 ] && error_and_die "usage: tgenv use <version>"
+[ "${#}" -ne 1 ] && error_and_die "usage: tgenv use <version>"
 
 declare version_requested version regex
 
@@ -18,10 +14,10 @@ if [[ "${version_requested}" =~ ^latest\:.*$ ]]; then
   regex="${version_requested##*\:}"
 elif [[ "${version_requested}" =~ ^latest$ ]]; then
   version="${version_requested}"
-  regex=""
+  regex="^[0-9]\+\.[0-9]\+\.[0-9]\+$"
 else
   version="${version_requested}"
-  regex="${version_requested}"
+  regex="^${version_requested}$"
 fi
 
 [ -d "${TGENV_ROOT}/versions" ] \
@@ -35,11 +31,13 @@ version="$(\ls "${TGENV_ROOT}/versions" \
 
 [ -n "${version}" ] || error_and_die "No installed versions of terragrunt matched '${1}'"
 
-target_path=${TGENV_ROOT}/versions/${version}
-[ -f ${target_path}/terragrunt ] \
+target_path="${TGENV_ROOT}/versions/${version}"
+[ -f "${target_path}/terragrunt" ] \
   || error_and_die "Version directory for ${version} is present, but the terragrunt binary is not! Manual intervention required."
-[ -x ${target_path}/terragrunt ] \
+[ -x "${target_path}/terragrunt" ] \
   || error_and_die "Version directory for ${version} is present, but the terragrunt binary is not executable! Manual intervention required. "
 
-echo "${version}" > "${TGENV_ROOT}/version"
-terragrunt --version || error_and_die "'terragrunt --version' failed. Something is seriously wrong"
+info "Switching to v${version}"
+echo "${version}" > "$(tgenv-version-file)" || error_and_die "'switch to v${version} failed'"
+terragrunt --version 1>/dev/null || error_and_die "'terragrunt --version' failed. Something is seriously wrong"
+info "Switching completed"
diff --git a/libexec/tgenv-version-file b/libexec/tgenv-version-file
index e0063a6..2f178d1 100755
--- a/libexec/tgenv-version-file
+++ b/libexec/tgenv-version-file
@@ -17,4 +17,4 @@ find_local_version_file() {
   return 1
 }
 
-find_local_version_file "${TGENV_DIR}" || echo "${TGENV_ROOT}/version"
+find_local_version_file "${TGENV_DIR}" || find_local_version_file "${HOME}" || echo "${TGENV_ROOT}/version"
diff --git a/libexec/tgenv-version-name b/libexec/tgenv-version-name
index 9baade3..62c65a5 100755
--- a/libexec/tgenv-version-name
+++ b/libexec/tgenv-version-name
@@ -2,12 +2,8 @@
 # Summary: Show the current Terragrunt version
 set -e
 
-function error_and_die() {
-  echo -e "tgenv: ${0}: ${1}" >&2
-  exit 1
-}
-
 [ -n "${TGENV_DEBUG}" ] && set -x
+source "${TGENV_ROOT}/libexec/helpers"
 
 [ -d "${TGENV_ROOT}/versions" ] \
   || error_and_die "No versions of terragrunt installed. Please install one with: tgenv install"
@@ -37,5 +33,5 @@ version_exists() {
 if version_exists "${TGENV_VERSION}"; then
   echo "${TGENV_VERSION}"
 else
-  error_and_die "version \`${TGENV_VERSION}' is not installed (set by ${TGENV_VERSION_FILE})"
+  error_and_die "version '${TGENV_VERSION}' is not installed (set by ${TGENV_VERSION_FILE})"
 fi
diff --git a/list_all_versions_offline b/list_all_versions_offline
index fd6d502..9a624b8 100644
--- a/list_all_versions_offline
+++ b/list_all_versions_offline
@@ -1,3 +1,4 @@
+0.18.2
 0.13.19
 0.13.18
 0.13.17