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✏️ Editing: phpenv-which

#!/usr/bin/env bash
#
# Summary: Display the full path to an executable
#
# Usage: phpenv which <command>
#
# Displays the full path to the executable that phpenv will invoke when
# you run the given command.

set -e
[ -n "$PHPENV_DEBUG" ] && set -x

# Provide phpenv completions
if [ "$1" = "--complete" ]; then
  exec phpenv shims --short
fi

expand_path() {
  if [ ! -d "$1" ]; then
    return 1
  fi

local cwd="$(pwd)"
  cd "$1"
  pwd
  cd "$cwd"
}

remove_from_path() {
  local path_to_remove="$(expand_path "$1")"
  local result=""

if [ -z "$path_to_remove" ]; then
    echo "${PATH}"
    return
  fi

local paths
  IFS=: paths=($PATH)

for path in "${paths[@]}"; do
    path="$(expand_path "$path" || true)"
    if [ -n "$path" ] && [ "$path" != "$path_to_remove" ]; then
      result="${result}${path}:"
    fi
  done

echo "${result%:}"
}

PHPENV_VERSION="$(phpenv-version-name)"
PHPENV_COMMAND="$1"

if [ -z "$PHPENV_COMMAND" ]; then
  phpenv-help --usage which >&2
  exit 1
fi

if [ "$PHPENV_VERSION" = "system" ]; then
  PATH="$(remove_from_path "${PHPENV_ROOT}/shims")"
  PHPENV_COMMAND_PATH="$(command -v "$PHPENV_COMMAND" || true)"
else
  PHPENV_COMMAND_PATH="${PHPENV_ROOT}/versions/${PHPENV_VERSION}/bin/${PHPENV_COMMAND}"
  if ! [ -x "$PHPENV_COMMAND_PATH" ]; then
    PHPENV_COMMAND_PATH="${PHPENV_ROOT}/versions/${PHPENV_VERSION}/sbin/${PHPENV_COMMAND}"
  fi
fi

for script in $(phpenv-hooks which); do
  source "$script"
done

if [ -x "$PHPENV_COMMAND_PATH" ]; then
  echo "$PHPENV_COMMAND_PATH"
else
  echo "phpenv: $PHPENV_COMMAND: command not found" >&2

versions="$(phpenv-whence "$PHPENV_COMMAND" || true)"
  if [ -n "$versions" ]; then
    { echo
      echo "The \`$1' command exists in these PHP versions:"
      echo "$versions" | sed 's/^/  /g'
      echo
    } >&2
  fi

exit 127
fi

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