99 lines
3.5 KiB
Text
99 lines
3.5 KiB
Text
#
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# new shopt `implicitcd'
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# http://lists.gnu.org/archive/html/bug-bash/2004-09/msg00024.html
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#
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--- execute_cmd.c.orig Sat Nov 5 17:37:21 2005
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+++ execute_cmd.c Wed Dec 28 19:38:09 2005
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@@ -190,6 +190,9 @@
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/* The line number that the currently executing function starts on. */
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static int function_line_number;
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+/* add an implicit `cd' if the command is the name of a directory */
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+int implicitcd = 0;
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+
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/* Set to 1 if fd 0 was the subject of redirection to a subshell. Global
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so that reader_loop can set it to zero before executing a command. */
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int stdin_redir;
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@@ -2913,6 +2916,20 @@
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this_command_name = words->word->word;
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QUIT;
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+
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+ if (implicitcd && interactive_shell && words->next == NULL && func == 0 && builtin == 0)
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+ {
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+ struct stat finfo;
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+
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+ if ((stat (words->word->word, &finfo) == 0) && (S_ISDIR (finfo.st_mode)))
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+ {
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+ this_command_name = "cd";
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+ last_shell_builtin = this_shell_builtin;
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+ this_shell_builtin = builtin_address (this_command_name);
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+ result = (*this_shell_builtin) (words);
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+ goto return_result;
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+ }
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+ }
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/* This command could be a shell builtin or a user-defined function.
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We have already found special builtins by this time, so we do not
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--- builtins/shopt.def.orig Sat Feb 19 19:25:03 2005
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+++ builtins/shopt.def Wed Dec 28 19:38:09 2005
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@@ -66,6 +66,7 @@
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extern int check_window_size;
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extern int glob_ignore_case, match_ignore_case;
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extern int hup_on_exit;
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+extern int implicitcd;
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extern int xpg_echo;
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extern int gnu_error_format;
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@@ -145,6 +146,7 @@
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{ "hostcomplete", &perform_hostname_completion, enable_hostname_completion },
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#endif
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{ "huponexit", &hup_on_exit, (shopt_set_func_t *)NULL },
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+ { "implicitcd", &implicitcd, (shopt_set_func_t *)NULL },
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{ "interactive_comments", &interactive_comments, set_shellopts_after_change },
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#if defined (HISTORY)
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{ "lithist", &literal_history, (shopt_set_func_t *)NULL },
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@@ -253,6 +255,7 @@
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cdable_vars = mail_warning = 0;
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no_exit_on_failed_exec = print_shift_error = 0;
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check_hashed_filenames = cdspelling = expand_aliases = check_window_size = 0;
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+ implicitcd = 0;
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source_uses_path = promptvars = 1;
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--- doc/bash.1.orig Wed Oct 12 12:40:52 2005
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+++ doc/bash.1 Wed Dec 28 19:38:09 2005
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@@ -8090,6 +8090,15 @@
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.B SIGHUP
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to all jobs when an interactive login shell exits.
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.TP 8
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+.B implicitcd
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+If this is set, a directory name typed as a command is treated as a
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+request to change to that directory.
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+This behavior is inhibited in non-interactive mode or for command
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+strings with more than one word.
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+Changing directory takes precedence over executing a like-named
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+command, but it is done after alias substitutions.
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+Tilde and variable expansions work as expected.
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+.TP 8
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.B interactive_comments
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If set, allow a word beginning with
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.B #
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--- doc/bashref.texi.orig Mon Oct 3 16:07:21 2005
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+++ doc/bashref.texi Wed Dec 28 19:38:09 2005
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@@ -3697,6 +3697,15 @@
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If set, Bash will send @code{SIGHUP} to all jobs when an interactive
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login shell exits (@pxref{Signals}).
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+@item implicitcd
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+If this is set, a directory name typed as a command is treated as a
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+request to change to that directory.
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+This behavior is inhibited in non-interactive mode or for command
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+strings with more than one word.
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+Changing directory takes precedence over executing a like-named
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+command, but it is done after alias substitutions.
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+Tilde and variable expansions work as expected.
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+
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@item interactive_comments
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Allow a word beginning with @samp{#}
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to cause that word and all remaining characters on that
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