pyenv verification source

libexec/pyenv-version-name

@@ -0,0 +1,80 @@
+#!/usr/bin/env bash
+# Summary: Show the current Python version
+#
+#   -f/--force    (Internal) If a version doesn't exist, print it as is rather than produce an error
+
+set -e
+[ -n "$PYENV_DEBUG" ] && set -x
+
+while [[ $# -gt 0 ]]
+do
+    case "$1" in
+        -f|--force)
+            FORCE=1
+            shift
+            ;;
+        *)
+            break
+            ;;
+    esac
+done
+
+
+if [ -z "$PYENV_VERSION" ]; then
+  PYENV_VERSION_FILE="$(pyenv-version-file)"
+  PYENV_VERSION="$(pyenv-version-file-read "$PYENV_VERSION_FILE" || true)"
+fi
+
+OLDIFS="$IFS"
+IFS=$'\n' scripts=(`pyenv-hooks version-name`)
+IFS="$OLDIFS"
+for script in "${scripts[@]}"; do
+  source "$script"
+done
+
+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 ${PYENV_VERSION}; do
+    # Remove the explicit 'python-' prefix from versions like 'python-3.12'.
+    normalised_version="${version#python-}"
+    if version_exists "${version}" || [ "$version" = "system" ]; then
+      versions+=("${version}")
+    elif version_exists "${normalised_version}"; then
+      versions+=("${normalised_version}")
+    elif resolved_version="$(pyenv-latest -b "${version}")"; then
+      versions+=("${resolved_version}")
+    elif resolved_version="$(pyenv-latest -b "${normalised_version}")"; then
+      versions+=("${resolved_version}")
+    else
+      if [[ -n $FORCE ]]; then
+        versions+=("${normalised_version}")
+      else
+        echo "pyenv: version \`$version' is not installed (set by $(pyenv-version-origin))" >&2
+        any_not_installed=1
+      fi
+    fi
+  done
+}
+IFS="$OLDIFS"
+
+OLDIFS="$IFS"
+{ IFS=:
+  echo "${versions[*]}"
+}
+IFS="$OLDIFS"
+
+if [ "$any_not_installed" = 1 ]; then
+  exit 1
+fi