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Add --exclude option (to make uClibc-0.9.28 headers install using busybox tar).

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I have no idea how to apply bb_getopt_complementally to a --longopt that
has no short option.  The documentation from vodz has a bad case of
babelfish poisoning, and I can't understand it.  It sort of seems to
suggest there is a way, but what it is I have no idea.  So I used \n as
the short option, which is fairly unlikely to be used for something else. :)
This commit is contained in:
Rob Landley 2005-10-15 03:06:21 +00:00
parent f704b27b5b
commit 3ee6c24ea2
1 changed files with 23 additions and 19 deletions
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42
archival/tar.c
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@ -59,12 +59,12 @@
# define TAR_MAGIC "ustar" /* ustar and a null */ # define TAR_MAGIC "ustar" /* ustar and a null */
# define TAR_VERSION " " /* Be compatable with GNU tar format */ # define TAR_VERSION " " /* Be compatable with GNU tar format */
static const int TAR_BLOCK_SIZE = 512; #define TAR_BLOCK_SIZE 512
static const int TAR_MAGIC_LEN = 6; #define TAR_MAGIC_LEN 6
static const int TAR_VERSION_LEN = 2; #define TAR_VERSION_LEN 2
/* POSIX tar Header Block, from POSIX 1003.1-1990 */ /* POSIX tar Header Block, from POSIX 1003.1-1990 */
enum { NAME_SIZE = 100 }; /* because gcc won't let me use 'static const int' */ #define NAME_SIZE 100
struct TarHeader { /* byte offset */ struct TarHeader { /* byte offset */
char name[NAME_SIZE]; /* 0-99 */ char name[NAME_SIZE]; /* 0-99 */
char mode[8]; /* 100-107 */ char mode[8]; /* 100-107 */
@ -670,6 +670,7 @@ static const struct option tar_long_options[] = {
# ifdef CONFIG_FEATURE_TAR_FROM # ifdef CONFIG_FEATURE_TAR_FROM
{ "files-from", 1, NULL, 'T' }, { "files-from", 1, NULL, 'T' },
{ "exclude-from", 1, NULL, 'X' }, { "exclude-from", 1, NULL, 'X' },
{ "exclude", 1, NULL, '\n' },
# endif # endif
# ifdef CONFIG_FEATURE_TAR_GZIP # ifdef CONFIG_FEATURE_TAR_GZIP
{ "gzip", 0, NULL, 'z' }, { "gzip", 0, NULL, 'z' },
@ -688,7 +689,7 @@ int tar_main(int argc, char **argv)
char *base_dir = NULL; char *base_dir = NULL;
const char *tar_filename = "-"; const char *tar_filename = "-";
unsigned long opt; unsigned long opt;
unsigned long ctx_flag = 0; llist_t *excludes;
/* Initialise default values */ /* Initialise default values */
@ -697,9 +698,9 @@ int tar_main(int argc, char **argv)
/* Prepend '-' to the first argument if required */ /* Prepend '-' to the first argument if required */
#ifdef CONFIG_FEATURE_TAR_CREATE #ifdef CONFIG_FEATURE_TAR_CREATE
bb_opt_complementally = "--:-1:X::T::c:t:x:?:c--tx:t--cx:x--ct"; bb_opt_complementally = "--:-1:X::T::\n::c:t:x:?:c--tx:t--cx:x--ct";
#else #else
bb_opt_complementally = "--:-1:X::T::t:x:?:t--x:x--t"; bb_opt_complementally = "--:-1:X::T::\n::t:x:?:t--x:x--t";
#endif #endif
#ifdef CONFIG_FEATURE_TAR_LONG_OPTIONS #ifdef CONFIG_FEATURE_TAR_LONG_OPTIONS
bb_applet_long_options = tar_long_options; bb_applet_long_options = tar_long_options;
@ -709,12 +710,12 @@ int tar_main(int argc, char **argv)
&tar_filename /* archive filename */ &tar_filename /* archive filename */
#ifdef CONFIG_FEATURE_TAR_FROM #ifdef CONFIG_FEATURE_TAR_FROM
, &(tar_handle->accept), , &(tar_handle->accept),
&(tar_handle->reject) &(tar_handle->reject),
&excludes
#endif #endif
); );
ctx_flag = opt & (CTX_CREATE | CTX_TEST | CTX_EXTRACT); if(opt & CTX_TEST) {
if(ctx_flag & CTX_TEST) {
if ((tar_handle->action_header == header_list) || if ((tar_handle->action_header == header_list) ||
(tar_handle->action_header == header_verbose_list)) { (tar_handle->action_header == header_verbose_list)) {
tar_handle->action_header = header_verbose_list; tar_handle->action_header = header_verbose_list;
@ -722,10 +723,10 @@ int tar_main(int argc, char **argv)
tar_handle->action_header = header_list; tar_handle->action_header = header_list;
} }
} }
if(ctx_flag & CTX_EXTRACT) { if(opt & CTX_EXTRACT) {
if (tar_handle->action_data != data_extract_to_stdout) if (tar_handle->action_data != data_extract_to_stdout)
tar_handle->action_data = data_extract_all; tar_handle->action_data = data_extract_all;
} }
if(opt & TAR_OPT_2STDOUT) { if(opt & TAR_OPT_2STDOUT) {
/* To stdout */ /* To stdout */
tar_handle->action_data = data_extract_to_stdout; tar_handle->action_data = data_extract_to_stdout;
@ -734,7 +735,7 @@ int tar_main(int argc, char **argv)
if ((tar_handle->action_header == header_list) || if ((tar_handle->action_header == header_list) ||
(tar_handle->action_header == header_verbose_list)) (tar_handle->action_header == header_verbose_list))
{ {
tar_handle->action_header = header_verbose_list; tar_handle->action_header = header_verbose_list;
} else { } else {
tar_handle->action_header = header_list; tar_handle->action_header = header_list;
} }
@ -759,12 +760,15 @@ int tar_main(int argc, char **argv)
} }
#endif #endif
#ifdef CONFIG_FEATURE_TAR_FROM #ifdef CONFIG_FEATURE_TAR_FROM
if(opt & TAR_OPT_EXCLUDE_FROM) { tar_handle->reject = append_file_list_to_list(tar_handle->reject);
tar_handle->reject = append_file_list_to_list(tar_handle->reject); /* Append excludes to reject */
} while(excludes) {
if(opt & TAR_OPT_INCLUDE_FROM) { llist_t *temp = excludes->link;
tar_handle->accept = append_file_list_to_list(tar_handle->accept); excludes->link = tar_handle->reject;
tar_handle->reject = excludes;
excludes = temp;
} }
tar_handle->accept = append_file_list_to_list(tar_handle->accept);
#endif #endif
/* Check if we are reading from stdin */ /* Check if we are reading from stdin */