* -o outfile output here instead of in place
* -r rejectfile write rejected hunks to this file
*
+ * -E remove empty files --remove-empty-files
* -f force (no questions asked)
* -F fuzz (number, default 2)
* [file] which file to patch
hunks to stderr, and exits with nonzero status if any hunks fail.
A file compared against /dev/null (or with a date <= the epoch) is
- created or deleted if -E or --remove-empty-files set.
+ created/deleted as appropriate.
*/
#include "libbb.h"
} while (0)
-#define FLAG_STR "Rup:i:NEx"
+#define FLAG_STR "Rup:i:Nx"
/* FLAG_REVERSE must be == 1! Code uses this fact. */
#define FLAG_REVERSE (1 << 0)
#define FLAG_u (1 << 1)
#define FLAG_PATHLEN (1 << 2)
#define FLAG_INPUT (1 << 3)
#define FLAG_IGNORE (1 << 4)
-#define FLAG_RMEMPTY (1 << 5)
//non-standard:
-#define FLAG_DEBUG (1 << 6)
+#define FLAG_DEBUG (1 << 5)
// Dispose of a line of input, either by writing it out or discarding it.
// If this is the first hunk, open the file.
if (TT.filein == -1) {
- int oldsum, newsum, empty = 0;
+ int oldsum, newsum, del = 0;
char *name;
oldsum = TT.oldline + TT.oldlen;
if (!strcmp(name, "/dev/null") || !(reverse ? oldsum : newsum))
{
name = reverse ? newname : oldname;
- empty++;
+ del++;
}
// handle -p path truncation.
}
}
- if (empty) {
- // File is empty after the patches have been applied
+ if (del) {
+ printf("removing %s\n", name);
+ xunlink(name);
state = 0;
- if (option_mask32 & FLAG_RMEMPTY) {
- // If flag -E or --remove-empty-files is set
- printf("removing %s\n", name);
- xunlink(name);
- } else {
- printf("patching file %s\n", name);
- xclose(xopen(name, O_WRONLY | O_TRUNC));
- }
// If we've got a file to open, do so.
} else if (!(option_mask32 & FLAG_PATHLEN) || i <= TT.prefix) {
// If the old file was null, we're creating a new one.
"[OPTIONS] [ORIGFILE [PATCHFILE]]"
#define patch_full_usage "\n\n" \
IF_LONG_OPTS( \
- " -p,--strip N Strip N leading components from file names" \
- "\n -i,--input DIFF Read DIFF instead of stdin" \
- "\n -R,--reverse Reverse patch" \
- "\n -N,--forward Ignore already applied patches" \
- "\n --dry-run Don't actually change files" \
- "\n -E,--remove-empty-files Remove output files if they become empty" \
+ " -p,--strip N Strip N leading components from file names" \
+ "\n -i,--input DIFF Read DIFF instead of stdin" \
+ "\n -R,--reverse Reverse patch" \
+ "\n -N,--forward Ignore already applied patches" \
+ "\n --dry-run Don't actually change files" \
) \
IF_NOT_LONG_OPTS( \
" -p N Strip N leading components from file names" \
"\n -i DIFF Read DIFF instead of stdin" \
"\n -R Reverse patch" \
"\n -N Ignore already applied patches" \
- "\n -E Remove output files if they become empty" \
)
#define patch_example_usage \