} new_whitespace = warn_on_whitespace;
static int whitespace_error;
static int squelch_whitespace_errors = 5;
-static int applied_after_stripping;
+static int applied_after_fixing_ws;
static const char *patch_input_file;
static void parse_whitespace_option(const char *option)
void *buffer = xmalloc(alloc);
for (;;) {
- int nr = alloc - size;
+ ssize_t nr = alloc - size;
if (nr < 1024) {
alloc += CHUNKSIZE;
buffer = xrealloc(buffer, alloc);
return error("unable to open %s", path);
got = 0;
for (;;) {
- int ret = xread(fd, buf + got, size - got);
+ ssize_t ret = xread(fd, buf + got, size - got);
if (ret <= 0)
break;
got += ret;
}
close(fd);
nsize = got;
- nbuf = buf;
- if (convert_to_git(path, &nbuf, &nsize)) {
+ nbuf = convert_to_git(path, buf, &nsize);
+ if (nbuf) {
free(buf);
*buf_p = nbuf;
*alloc_p = nsize;
if (add_nl_to_tail)
output[plen++] = '\n';
if (fixed)
- applied_after_stripping++;
+ applied_after_fixing_ws++;
return output + plen - buf;
}
char *new = xmalloc(size);
const char *oldlines, *newlines;
int oldsize = 0, newsize = 0;
+ int new_blank_lines_at_end = 0;
unsigned long leading, trailing;
int pos, lines;
char first;
int len = linelen(patch, size);
int plen;
+ int added_blank_line = 0;
if (!len)
break;
else if (first == '+')
first = '-';
}
+
switch (first) {
case '\n':
/* Newer GNU diff, empty context line */
break;
/* Fall-through for ' ' */
case '+':
- if (first != '+' || !no_add)
- newsize += apply_line(new + newsize, patch,
- plen);
+ if (first != '+' || !no_add) {
+ int added = apply_line(new + newsize, patch,
+ plen);
+ newsize += added;
+ if (first == '+' &&
+ added == 1 && new[newsize-1] == '\n')
+ added_blank_line = 1;
+ }
break;
case '@': case '\\':
/* Ignore it, we already handled it */
error("invalid start of line: '%c'", first);
return -1;
}
+ if (added_blank_line)
+ new_blank_lines_at_end++;
+ else
+ new_blank_lines_at_end = 0;
patch += len;
size -= len;
}
if (match_beginning && offset)
offset = -1;
if (offset >= 0) {
- int diff = newsize - oldsize;
- unsigned long size = desc->size + diff;
- unsigned long alloc = desc->alloc;
+ int diff;
+ unsigned long size, alloc;
+
+ if (new_whitespace == strip_whitespace &&
+ (desc->size - oldsize - offset == 0)) /* end of file? */
+ newsize -= new_blank_lines_at_end;
+
+ diff = newsize - oldsize;
+ size = desc->size + diff;
+ alloc = desc->alloc;
/* Warn if it was necessary to reduce the number
* of context lines.
return 0;
}
+static int check_to_create_blob(const char *new_name, int ok_if_exists)
+{
+ struct stat nst;
+ if (!lstat(new_name, &nst)) {
+ if (S_ISDIR(nst.st_mode) || ok_if_exists)
+ return 0;
+ /*
+ * A leading component of new_name might be a symlink
+ * that is going to be removed with this patch, but
+ * still pointing at somewhere that has the path.
+ * In such a case, path "new_name" does not exist as
+ * far as git is concerned.
+ */
+ if (has_symlink_leading_path(new_name, NULL))
+ return 0;
+
+ return error("%s: already exists in working directory", new_name);
+ }
+ else if ((errno != ENOENT) && (errno != ENOTDIR))
+ return error("%s: %s", new_name, strerror(errno));
+ return 0;
+}
+
static int check_patch(struct patch *patch, struct patch *prev_patch)
{
struct stat st;
!ok_if_exists)
return error("%s: already exists in index", new_name);
if (!cached) {
- struct stat nst;
- if (!lstat(new_name, &nst)) {
- if (S_ISDIR(nst.st_mode) || ok_if_exists)
- ; /* ok */
- else
- return error("%s: already exists in working directory", new_name);
- }
- else if ((errno != ENOENT) && (errno != ENOTDIR))
- return error("%s: %s", new_name, strerror(errno));
+ int err = check_to_create_blob(new_name, ok_if_exists);
+ if (err)
+ return err;
}
if (!patch->new_mode) {
if (0 < patch->is_new)
static int try_create_file(const char *path, unsigned int mode, const char *buf, unsigned long size)
{
- int fd, converted;
+ int fd;
char *nbuf;
- unsigned long nsize;
if (has_symlinks && S_ISLNK(mode))
/* Although buf:size is counted string, it also is NUL
if (fd < 0)
return -1;
- nsize = size;
- nbuf = (char *) buf;
- converted = convert_to_working_tree(path, &nbuf, &nsize);
- if (converted) {
+ nbuf = convert_to_working_tree(path, buf, &size);
+ if (nbuf)
buf = nbuf;
- size = nsize;
- }
+
while (size) {
int written = xwrite(fd, buf, size);
if (written < 0)
}
if (close(fd) < 0)
die("closing file %s: %s", path, strerror(errno));
- if (converted)
+ if (nbuf)
free(nbuf);
return 0;
}
* used to be.
*/
struct stat st;
- errno = 0;
- if (!lstat(path, &st) && S_ISDIR(st.st_mode) && !rmdir(path))
+ if (!lstat(path, &st) && (!S_ISDIR(st.st_mode) || !rmdir(path)))
errno = EEXIST;
}
squelched == 1 ? "" : "s");
}
if (new_whitespace == error_on_whitespace)
- die("%d line%s add%s trailing whitespaces.",
+ die("%d line%s add%s whitespace errors.",
whitespace_error,
whitespace_error == 1 ? "" : "s",
whitespace_error == 1 ? "s" : "");
- if (applied_after_stripping)
+ if (applied_after_fixing_ws)
fprintf(stderr, "warning: %d line%s applied after"
- " stripping trailing whitespaces.\n",
- applied_after_stripping,
- applied_after_stripping == 1 ? "" : "s");
+ " fixing whitespace errors.\n",
+ applied_after_fixing_ws,
+ applied_after_fixing_ws == 1 ? "" : "s");
else if (whitespace_error)
- fprintf(stderr, "warning: %d line%s add%s trailing"
- " whitespaces.\n",
+ fprintf(stderr, "warning: %d line%s add%s whitespace errors.\n",
whitespace_error,
whitespace_error == 1 ? "" : "s",
whitespace_error == 1 ? "s" : "");