This file is source.def, from which is created source.c.
It implements the builtins "." and "source" in Bash.
-Copyright (C) 1987-2002 Free Software Foundation, Inc.
+Copyright (C) 1987-2009 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
-Bash is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
-version.
+Bash is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
-Bash is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-for more details.
+Bash is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
-You should have received a copy of the GNU General Public License along
-with Bash; see the file COPYING. If not, write to the Free Software
-Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA.
+You should have received a copy of the GNU General Public License
+along with Bash. If not, see <http://www.gnu.org/licenses/>.
$PRODUCES source.c
$BUILTIN source
$FUNCTION source_builtin
-$SHORT_DOC source filename
-Read and execute commands from FILENAME and return. The pathnames
-in $PATH are used to find the directory containing FILENAME.
+$SHORT_DOC source filename [arguments]
+Execute commands from a file in the current shell.
+
+Read and execute commands from FILENAME in the current shell. The
+entries in $PATH are used to find the directory containing FILENAME.
+If any ARGUMENTS are supplied, they become the positional parameters
+when FILENAME is executed.
+
+Exit Status:
+Returns the status of the last command executed in FILENAME; fails if
+FILENAME cannot be read.
$END
+
$BUILTIN .
$DOCNAME dot
$FUNCTION source_builtin
-$SHORT_DOC . filename
-Read and execute commands from FILENAME and return. The pathnames
-in $PATH are used to find the directory containing FILENAME.
+$SHORT_DOC . filename [arguments]
+Execute commands from a file in the current shell.
+
+Read and execute commands from FILENAME in the current shell. The
+entries in $PATH are used to find the directory containing FILENAME.
+If any ARGUMENTS are supplied, they become the positional parameters
+when FILENAME is executed.
+
+Exit Status:
+Returns the status of the last command executed in FILENAME; fails if
+FILENAME cannot be read.
$END
-/* source.c - Implements the `.' and `source' builtins. */
#include <config.h>
#include "../bashtypes.h"
#include "posixstat.h"
#include "filecntl.h"
-#ifndef _MINIX
+#if ! defined(_MINIX) && defined (HAVE_SYS_FILE_H)
# include <sys/file.h>
#endif
#include <errno.h>
#endif
#include "../bashansi.h"
+#include "../bashintl.h"
#include "../shell.h"
+#include "../flags.h"
#include "../findcmd.h"
#include "common.h"
#include "bashgetopt.h"
+#include "../trap.h"
#if !defined (errno)
extern int errno;
#endif /* !errno */
-#if defined (RESTRICTED_SHELL)
-extern int restricted;
-#endif
+extern int posixly_correct;
+
+static void maybe_pop_dollar_vars __P((void));
/* If non-zero, `.' uses $PATH to look up the script to be sourced. */
int source_uses_path = 1;
dispose_saved_dollar_vars ();
else
pop_dollar_vars ();
+ if (debugging_mode)
+ pop_args (); /* restore BASH_ARGC and BASH_ARGV */
set_dollar_vars_unchanged ();
}
WORD_LIST *list;
{
int result;
- char *filename;
+ char *filename, *debug_trap;
if (no_options (list))
return (EX_USAGE);
if (list == 0)
{
- builtin_error ("filename argument required");
+ builtin_error (_("filename argument required"));
builtin_usage ();
return (EX_USAGE);
}
#endif
filename = (char *)NULL;
- if (source_uses_path)
+ /* XXX -- should this be absolute_pathname? */
+ if (posixly_correct && strchr (list->word->word, '/'))
+ filename = savestring (list->word->word);
+ else if (absolute_pathname (list->word->word))
+ filename = savestring (list->word->word);
+ else if (source_uses_path)
filename = find_path_file (list->word->word);
if (filename == 0)
{
if (source_searches_cwd == 0)
{
- builtin_error ("%s: file not found", list->word->word);
+ builtin_error (_("%s: file not found"), list->word->word);
return (EXECUTION_FAILURE);
}
else
push_dollar_vars ();
add_unwind_protect ((Function *)maybe_pop_dollar_vars, (char *)NULL);
remember_args (list->next, 1);
+ if (debugging_mode)
+ push_args (list->next); /* Update BASH_ARGV and BASH_ARGC */
}
set_dollar_vars_unchanged ();
- result = source_file (filename);
+ /* Don't inherit the DEBUG trap unless function_trace_mode (overloaded)
+ is set. XXX - should sourced files inherit the RETURN trap? Functions
+ don't. */
+ debug_trap = TRAP_STRING (DEBUG_TRAP);
+ if (debug_trap && function_trace_mode == 0)
+ {
+ debug_trap = savestring (debug_trap);
+ add_unwind_protect (xfree, debug_trap);
+ add_unwind_protect (set_debug_trap, debug_trap);
+ restore_default_signal (DEBUG_TRAP);
+ }
+
+ result = source_file (filename, (list && list->next));
run_unwind_frame ("source");
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