def rm_default_view_from_shell(self, shell):
env_mod = EnvironmentModifications()
for var, paths in self._shell_vars():
for path in paths:
env_mod.remove_path(var, path)
return env_mod.shell_modifications(shell)
def env_activate(args):
if not args.activate_env and not args.dir and not args.temp:
tty.die('spack env activate requires an environment name, directory, or --temp')
if not args.shell:
spack.cmd.common.shell_init_instructions(
"spack env activate",
" eval `spack env activate {sh_arg} [...]`",
)
return 1
# Error out when -e, -E, -D flags are given, cause they are ambiguous.
if args.env or args.no_env or args.env_dir:
tty.die('Calling spack env activate with --env, --env-dir and --no-env '
'is ambiguous')
env_name_or_dir = args.activate_env or args.dir
# Temporary environment
if args.temp:
env = create_temp_env_directory()
env_path = os.path.abspath(env)
short_name = os.path.basename(env_path)
ev.Environment(env).write(regenerate=False)
# Named environment
elif ev.exists(env_name_or_dir) and not args.dir:
env_path = ev.root(env_name_or_dir)
short_name = env_name_or_dir
# Environment directory
elif ev.is_env_dir(env_name_or_dir):
env_path = os.path.abspath(env_name_or_dir)
short_name = os.path.basename(env_path)
else:
tty.die("No such environment: '%s'" % env_name_or_dir)
env_prompt = '[%s]' % short_name
# We only support one active environment at a time, so deactivate the current one.
if ev.active_environment() is None:
cmds = ''
env_mods = EnvironmentModifications()
else:
cmds = spack.environment.shell.deactivate_header(shell=args.shell)
env_mods = spack.environment.shell.deactivate()
# Activate new environment
active_env = ev.Environment(env_path)
cmds += spack.environment.shell.activate_header(
env=active_env,
shell=args.shell,
prompt=env_prompt if args.prompt else None
)
env_mods.extend(spack.environment.shell.activate(
env=active_env,
add_view=args.with_view
))
cmds += env_mods.shell_modifications(args.shell)
sys.stdout.write(cmds)
def add_default_view_to_shell(self, shell):
env_mod = EnvironmentModifications()
for var, paths in self._shell_vars():
for path in paths:
env_mod.prepend_path(var, path)
return env_mod.shell_modifications(shell)
