diff options
Diffstat (limited to 'lib/spack/spack/environment.py')
| -rw-r--r-- | lib/spack/spack/environment.py | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/lib/spack/spack/environment.py b/lib/spack/spack/environment.py index 32bd8c962d..f7b50c30c9 100644 --- a/lib/spack/spack/environment.py +++ b/lib/spack/spack/environment.py @@ -115,7 +115,7 @@ def activate( use_env_repo (bool): use the packages exactly as they appear in the environment's repository add_view (bool): generate commands to add view to path variables - shell (string): One of `sh`, `csh`. + shell (string): One of `sh`, `csh`, `fish`. prompt (string): string to add to the users prompt, or None Returns: @@ -141,6 +141,19 @@ def activate( cmds += 'if (! $?SPACK_OLD_PROMPT ) ' cmds += 'setenv SPACK_OLD_PROMPT "${prompt}";\n' cmds += 'set prompt="%s ${prompt}";\n' % prompt + elif shell == 'fish': + if os.getenv('TERM') and 'color' in os.getenv('TERM') and prompt: + prompt = colorize('@G{%s} ' % prompt, color=True) + + cmds += 'set -gx SPACK_ENV %s;\n' % env.path + cmds += 'function despacktivate;\n' + cmds += ' spack env deactivate;\n' + cmds += 'end;\n' + # + # NOTE: We're not changing the fish_prompt function (which is fish's + # solution to the PS1 variable) here. This is a bit fiddly, and easy to + # screw up => spend time reasearching a solution. Feedback welcome. + # else: if os.getenv('TERM') and 'color' in os.getenv('TERM') and prompt: prompt = colorize('@G{%s} ' % prompt, color=True) @@ -156,6 +169,12 @@ def activate( cmds += 'fi;\n' cmds += 'export PS1="%s ${PS1}";\n' % prompt + # + # NOTE in the fish-shell: Path variables are a special kind of variable + # used to support colon-delimited path lists including PATH, CDPATH, + # MANPATH, PYTHONPATH, etc. All variables that end in PATH (case-sensitive) + # become PATH variables. + # if add_view and default_view_name in env.views: with spack.store.db.read_transaction(): cmds += env.add_default_view_to_shell(shell) @@ -167,7 +186,7 @@ def deactivate(shell='sh'): """Undo any configuration or repo settings modified by ``activate()``. Arguments: - shell (string): One of `sh`, `csh`. Shell style to use. + shell (string): One of `sh`, `csh`, `fish`. Shell style to use. Returns: (string): shell commands for `shell` to undo environment variables @@ -191,6 +210,12 @@ def deactivate(shell='sh'): cmds += 'set prompt="$SPACK_OLD_PROMPT" && ' cmds += 'unsetenv SPACK_OLD_PROMPT;\n' cmds += 'unalias despacktivate;\n' + elif shell == 'fish': + cmds += 'set -e SPACK_ENV;\n' + cmds += 'functions -e despacktivate;\n' + # + # NOTE: Not changing fish_prompt (above) => no need to restore it here. + # else: cmds += 'if [ ! -z ${SPACK_ENV+x} ]; then\n' cmds += 'unset SPACK_ENV; export SPACK_ENV;\n' |