Avoid redownloading python-build, use asdf_dir instead of hard-coded path, close #11

.gitignore

@@ -0,0 +1 @@
+/pyenv

bin/get-version-from-legacy-file

@@ -1,13 +1,13 @@
 #!/usr/bin/env bash
 
 get_legacy_version() {
-    current_directory=$1
-    python_version_file="$current_directory/.python-version"
+    local current_directory="$1"
+    local python_version_file="$current_directory/.python-version"
 
     # Get version from .python-version file. .python-version is used by pyenv
-    if [ -f $python_version_file ]; then
-        cat $python_version_file
+    if [ -f "$python_version_file" ]; then
+        cat "$python_version_file"
     fi
 }
 
-get_legacy_version $1
+get_legacy_version "$1"

bin/install

@@ -1,27 +1,20 @@
 #!/usr/bin/env bash
 
+source $(dirname $0)/utils.sh
+
 install_python() {
   local version="$1"
   local install_path="$2"
 
-  local tmp_download_dir="$(mktemp -d -t asdf-python.XXX)"
+  local tmp_dir="$(mktemp -d -t asdf-python.XXX)"
 
-  echo "Downloading python-build..."
-  download_python_build $tmp_download_dir > /dev/null 2>&1
-
-  local python_build="$tmp_download_dir/pyenv/plugins/python-build/bin/python-build"
+  ensure_python_build_installed
 
   ASDF_CONCURRENCY="${ASDF_CONCURRENCY:-1}"
   echo "python-build $version $install_path"
-  MAKE_OPTS="$MAKE_OPTS -j$ASDF_CONCURRENCY" TMP_DIR="$tmp_download_dir" $python_build $version $install_path
+  MAKE_OPTS="$MAKE_OPTS -j$ASDF_CONCURRENCY" TMP_DIR="$tmp_dir" $(python_build_path) $version $install_path
   echo "Cleaning up"
-  rm -rf "$tmp_download_dir"
-}
-
-download_python_build() {
-  local tmp_dir="$1"
-  local pyenv_url="git://github.com/yyuu/pyenv.git"
-  git clone $pyenv_url $tmp_dir/pyenv
+  rm -rf "$tmp_dir"
 }
 
 install_python $ASDF_INSTALL_VERSION $ASDF_INSTALL_PATH

bin/list-all

@@ -1,17 +1,11 @@
 #!/usr/bin/env bash
 
+source $(dirname $0)/utils.sh
+
 list_all() {
-  local tmp_download_dir="$(mktemp -d -t asdf-python.XXX)"
-  download_python_build $tmp_download_dir > /dev/null 2>&1
-  local python_build="$tmp_download_dir/pyenv/plugins/python-build/bin/python-build"
-  $python_build --definitions | tr '\n' ' '
+  ensure_python_build_installed
+  $(python_build_path) --definitions | tr '\n' ' '
   rm -rf "$tmp_download_dir"
 }
 
-download_python_build() {
-  local tmp_dir="$1"
-  local pyenv_url="git://github.com/yyuu/pyenv.git"
-  git clone $pyenv_url $tmp_dir/pyenv
-}
-
 list_all

bin/utils.sh

@@ -0,0 +1,19 @@
+ensure_python_build_installed() {
+  if [ ! -f "$(python_build_path)" ]; then
+    download_python_build
+  fi
+}
+
+download_python_build() {
+  echo "Downloading python-build..."
+  local pyenv_url="git://github.com/yyuu/pyenv.git"
+  git clone $pyenv_url "$(pyenv_path)"
+}
+
+python_build_path() {
+  echo "$(pyenv_path)/plugins/python-build/bin/python-build"
+}
+
+pyenv_path() {
+  echo "$(dirname $(dirname $0))/pyenv"
+}

shims/python

@@ -3,9 +3,9 @@
 source $(dirname $(dirname $0))/lib/utils.sh
 
 run_python() {
-    plugin_name="python"
+    local plugin_name="python"
 
-    full_version=$(get_preset_version_for $plugin_name)
+    local full_version=$(get_preset_version_for $plugin_name)
 
     if [ "$full_version" == "" ]; then
         echo "No version set for ${plugin_name}"
@@ -16,7 +16,7 @@ run_python() {
 
     local short_python_version="${splitted_version[0]}.${splitted_version[1]}"
 
-    exec $HOME/.asdf/bin/private/asdf-exec python bin/python${short_python_version} "$@"
+    exec $(asdf_dir)/bin/private/asdf-exec python bin/python${short_python_version} "$@"
 }
 
 run_python "$@"