def hwaf_ishell(ctx):
# make sure we build first"
# waflib.Scripting.run_command('install')
import os
import tempfile
import textwrap
#env = ctx.env
cwd = os.getcwd()
root = os.path.realpath(ctx.options.prefix)
root = os.path.abspath(os.path.realpath(ctx.env['INSTALL_AREA']))
bindir = os.path.join(root, 'bin')
libdir = os.path.join(root, 'lib')
pydir = os.path.join(root, 'python')
# get the runtime...
env = _hwaf_get_runtime_env(ctx)
# retrieve the directory from which to run the shell
ishell_cwd = os.environ.get('HWAF_WAF_SHELL_CWD', cwd)
## handle the shell flavours...
if ctx.is_linux():
shell = os.environ.get("SHELL", "/bin/sh")
elif ctx.is_darwin():
shell = os.environ.get("SHELL", "/bin/sh")
shell = shell.strip()
if shell.startswith('-'):
shell = shell[1:]
elif ctx.is_windows():
## FIXME: ???
shell = None
else:
shell = None
pass
# catch-all
if not shell or "(deleted)" in shell:
# fallback on the *login* shell
shell = os.environ.get("SHELL", "/bin/sh")
tmpdir = tempfile.mkdtemp(prefix='hwaf-env-')
dotrc = None
dotrc_fname = None
shell_cmd = [shell,]
msg.info("---> shell: %s" % shell)
shell_alias = '='
if 'zsh' in os.path.basename(shell):
env['ZDOTDIR'] = tmpdir
dotrc_fname = os.path.join(tmpdir, '.zshrc')
shell_cmd.append('-i')
elif 'bash' in os.path.basename(shell):
dotrc_fname = os.path.join(tmpdir, '.bashrc')
shell_cmd += [
'--init-file',
dotrc_fname,
'-i',
]
elif 'csh' in os.path.basename(shell):
msg.info('sorry, c-shells not handled at the moment: fallback to bash')
dotrc_fname = os.path.join(tmpdir, '.bashrc')
shell_cmd += [
'--init-file',
dotrc_fname,
'-i',
]
# FIXME: when c-shells are supported...
# c-shells use a space as an alias separation token
# in c-shell:
# alias ll 'ls -l'
# in s-shell:
# alias ll='ls -l'
#shell_alias = ' '
else:
# default to dash...
dotrc_fname = os.path.join(tmpdir, '.bashrc')
shell_cmd += [
#'--init-file',
#dotrc_fname,
'-i',
]
env['ENV'] = dotrc_fname
pass
###
hwaf_runtime_aliases = ";\n".join([
"alias %s%s'%s'" % (alias[0], shell_alias, alias[1])
for alias in ctx.env.HWAF_RUNTIME_ALIASES
])
dotrc = open(dotrc_fname, 'w')
dotrc.write(textwrap.dedent(
'''
## automatically generated by hwaf-shell
echo ":::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::"
echo ":: launching a sub-shell with the correct environment..."
echo ":: sourcing ${HOME}/%(dotrc_fname)s..."
source ${HOME}/%(dotrc_fname)s
echo ":: sourcing ${HOME}/%(dotrc_fname)s... [done]"
# adjust env. variables
export PATH=%(hwaf_path)s
export LD_LIBRARY_PATH=%(hwaf_ld_library_path)s
export DYLD_LIBRARY_PATH=%(hwaf_dyld_library_path)s
export PYTHONPATH=%(hwaf_pythonpath)s
# customize PS1 so we know we are in a hwaf subshell
export PS1="[hwaf] ${PS1}"
# setup aliases
%(hwaf_runtime_aliases)s
echo ":: hwaf environment... [setup]"
echo ":: hit ^D or exit to go back to the parent shell"
echo ":::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::"
''' % {
'dotrc_fname' : os.path.basename(dotrc_fname),
'hwaf_path': env['PATH'],
'hwaf_ld_library_path': env['LD_LIBRARY_PATH'],
'hwaf_dyld_library_path': env['DYLD_LIBRARY_PATH'],
'hwaf_pythonpath': env['PYTHONPATH'],
'hwaf_runtime_aliases': hwaf_runtime_aliases,
}
))
dotrc.flush()
dotrc.close()
for k in env:
v = env[k]
if not isinstance(v, str):
ctx.fatal('env[%s]=%r (%s)' % (k,v,type(v)))
pass
pass
retval = subprocess.Popen(
shell_cmd,
env=env,
cwd=ishell_cwd,
shell=True,
).wait()
try:
import shutil
shutil.rmtree(tmpdir)
except Exception:
msg.verbose('could not remove directory [%s]' % tmpdir)
pass
if retval:
signame = None
if retval < 0: # signal?
import signal
for name, val in vars(signal).items():
if len(name) > 3 and name[:3] == 'SIG' and name[3] != '_':
if val == -retval:
signame = name
break
if signame:
raise waflib.Errors.WafError(
"Command %s terminated with signal %s." % (shell_cmd, signame))
else:
raise waflib.Errors.WafError(
"Command %s exited with code %i" % (shell_cmd, retval))
return retval
