static int unidiff_zero;
static int p_value = 1;
+static int p_value_known;
static int check_index;
-static int write_index;
+static int update_index;
static int cached;
static int diffstat;
static int numstat;
unsigned long deflate_origlen;
int lines_added, lines_deleted;
int score;
+ unsigned int is_toplevel_relative:1;
unsigned int inaccurate_eof:1;
unsigned int is_binary:1;
unsigned int is_copy:1;
return name;
}
+static int count_slashes(const char *cp)
+{
+ int cnt = 0;
+ char ch;
+
+ while ((ch = *cp++))
+ if (ch == '/')
+ cnt++;
+ return cnt;
+}
+
+/*
+ * Given the string after "--- " or "+++ ", guess the appropriate
+ * p_value for the given patch.
+ */
+static int guess_p_value(const char *nameline)
+{
+ char *name, *cp;
+ int val = -1;
+
+ if (is_dev_null(nameline))
+ return -1;
+ name = find_name(nameline, NULL, 0, TERM_SPACE | TERM_TAB);
+ if (!name)
+ return -1;
+ cp = strchr(name, '/');
+ if (!cp)
+ val = 0;
+ else if (prefix) {
+ /*
+ * Does it begin with "a/$our-prefix" and such? Then this is
+ * very likely to apply to our directory.
+ */
+ if (!strncmp(name, prefix, prefix_length))
+ val = count_slashes(prefix);
+ else {
+ cp++;
+ if (!strncmp(cp, prefix, prefix_length))
+ val = count_slashes(prefix) + 1;
+ }
+ }
+ free(name);
+ return val;
+}
+
/*
* Get the name etc info from the --/+++ lines of a traditional patch header
*
- * NOTE! This hardcodes "-p1" behaviour in filename detection.
- *
* FIXME! The end-of-filename heuristics are kind of screwy. For existing
* files, we can happily check the index for a match, but for creating a
* new file we should try to match whatever "patch" does. I have no idea.
first += 4; /* skip "--- " */
second += 4; /* skip "+++ " */
+ if (!p_value_known) {
+ int p, q;
+ p = guess_p_value(first);
+ q = guess_p_value(second);
+ if (p < 0) p = q;
+ if (0 <= p && p == q) {
+ p_value = p;
+ p_value_known = 1;
+ }
+ }
if (is_dev_null(first)) {
patch->is_new = 1;
patch->is_delete = 0;
static int gitdiff_copysrc(const char *line, struct patch *patch)
{
patch->is_copy = 1;
- patch->old_name = find_name(line, NULL, p_value-1, 0);
+ patch->old_name = find_name(line, NULL, 0, 0);
return 0;
}
static int gitdiff_copydst(const char *line, struct patch *patch)
{
patch->is_copy = 1;
- patch->new_name = find_name(line, NULL, p_value-1, 0);
+ patch->new_name = find_name(line, NULL, 0, 0);
return 0;
}
static int gitdiff_renamesrc(const char *line, struct patch *patch)
{
patch->is_rename = 1;
- patch->old_name = find_name(line, NULL, p_value-1, 0);
+ patch->old_name = find_name(line, NULL, 0, 0);
return 0;
}
static int gitdiff_renamedst(const char *line, struct patch *patch)
{
patch->is_rename = 1;
- patch->new_name = find_name(line, NULL, p_value-1, 0);
+ patch->new_name = find_name(line, NULL, 0, 0);
return 0;
}
{
unsigned long offset, len;
+ patch->is_toplevel_relative = 0;
patch->is_rename = patch->is_copy = 0;
patch->is_new = patch->is_delete = -1;
patch->old_mode = patch->new_mode = 0;
die("git diff header lacks filename information (line %d)", linenr);
patch->old_name = patch->new_name = patch->def_name;
}
+ patch->is_toplevel_relative = 1;
*hdrsize = git_hdr_len;
return offset;
}
*status_p = 0;
- if (!strncmp(buffer, "delta ", 6)) {
+ if (!prefixcmp(buffer, "delta ")) {
patch_method = BINARY_DELTA_DEFLATED;
origlen = strtoul(buffer + 6, NULL, 10);
}
- else if (!strncmp(buffer, "literal ", 8)) {
+ else if (!prefixcmp(buffer, "literal ")) {
patch_method = BINARY_LITERAL_DEFLATED;
origlen = strtoul(buffer + 8, NULL, 10);
}
free(qname);
}
-static int read_old_data(struct stat *st, const char *path, void *buf, unsigned long size)
+static int read_old_data(struct stat *st, const char *path, char **buf_p, unsigned long *alloc_p, unsigned long *size_p)
{
int fd;
unsigned long got;
+ unsigned long nsize;
+ char *nbuf;
+ unsigned long size = *size_p;
+ char *buf = *buf_p;
switch (st->st_mode & S_IFMT) {
case S_IFLNK:
- return readlink(path, buf, size);
+ return readlink(path, buf, size) != size;
case S_IFREG:
fd = open(path, O_RDONLY);
if (fd < 0)
return error("unable to open %s", path);
got = 0;
for (;;) {
- int ret = xread(fd, (char *) buf + got, size - got);
+ int ret = xread(fd, buf + got, size - got);
if (ret <= 0)
break;
got += ret;
}
close(fd);
- return got;
-
+ nsize = got;
+ nbuf = buf;
+ if (convert_to_git(path, &nbuf, &nsize)) {
+ free(buf);
+ *buf_p = nbuf;
+ *alloc_p = nsize;
+ *size_p = nsize;
+ }
+ return got != size;
default:
return -1;
}
int need_fix_leading_space = 0;
char *buf;
- if ((new_whitespace != strip_whitespace) || !whitespace_error) {
+ if ((new_whitespace != strip_whitespace) || !whitespace_error ||
+ *patch != '+') {
memcpy(output, patch + 1, plen);
return plen;
}
/* Ignore it, we already handled it */
break;
default:
+ if (apply_verbosely)
+ error("invalid start of line: '%c'", first);
return -1;
}
patch += len;
}
}
+ if (offset && apply_verbosely)
+ error("while searching for:\n%.*s", oldsize, oldlines);
+
free(old);
free(new);
return offset;
if (has_sha1_file(sha1)) {
/* We already have the postimage */
- char type[10];
+ enum object_type type;
unsigned long size;
free(desc->buffer);
- desc->buffer = read_sha1_file(sha1, type, &size);
+ desc->buffer = read_sha1_file(sha1, &type, &size);
if (!desc->buffer)
return error("the necessary postimage %s for "
"'%s' cannot be read",
buf = NULL;
if (cached) {
if (ce) {
- char type[20];
- buf = read_sha1_file(ce->sha1, type, &size);
+ enum object_type type;
+ buf = read_sha1_file(ce->sha1, &type, &size);
if (!buf)
return error("read of %s failed",
patch->old_name);
}
}
else if (patch->old_name) {
- size = st->st_size;
+ size = xsize_t(st->st_size);
alloc = size + 8192;
buf = xmalloc(alloc);
- if (read_old_data(st, patch->old_name, buf, alloc) != size)
+ if (read_old_data(st, patch->old_name, &buf, &alloc, &size))
return error("read of %s failed", patch->old_name);
}
return error("%s: %s", old_name, strerror(errno));
if (!cached)
- st_mode = ntohl(create_ce_mode(st.st_mode));
+ st_mode = ntohl(ce_mode_from_stat(ce, st.st_mode));
if (patch->is_new < 0)
patch->is_new = 0;
static void remove_file(struct patch *patch, int rmdir_empty)
{
- if (write_index) {
+ if (update_index) {
if (remove_file_from_cache(patch->old_name) < 0)
die("unable to remove %s from index", patch->old_name);
cache_tree_invalidate_path(active_cache_tree, patch->old_name);
int namelen = strlen(path);
unsigned ce_size = cache_entry_size(namelen);
- if (!write_index)
+ if (!update_index)
return;
ce = xcalloc(1, ce_size);
static int try_create_file(const char *path, unsigned int mode, const char *buf, unsigned long size)
{
- int fd;
+ int fd, converted;
+ char *nbuf;
+ unsigned long nsize;
- if (S_ISLNK(mode))
+ if (has_symlinks && S_ISLNK(mode))
/* Although buf:size is counted string, it also is NUL
* terminated.
*/
return symlink(buf, path);
+
fd = open(path, O_CREAT | O_EXCL | O_WRONLY, (mode & 0100) ? 0777 : 0666);
if (fd < 0)
return -1;
+
+ nsize = size;
+ nbuf = (char *) buf;
+ converted = convert_to_working_tree(path, &nbuf, &nsize);
+ if (converted) {
+ 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)
+ free(nbuf);
return 0;
}
return 0;
x = x->next;
}
+ if (0 < prefix_length) {
+ int pathlen = strlen(pathname);
+ if (pathlen <= prefix_length ||
+ memcmp(prefix, pathname, prefix_length))
+ return 0;
+ }
return 1;
}
-static char *prefix_one(char *name)
+static void prefix_one(char **name)
{
- if (!name)
- return name;
- return xstrdup(prefix_filename(prefix, prefix_length, name));
+ char *old_name = *name;
+ if (!old_name)
+ return;
+ *name = xstrdup(prefix_filename(prefix, prefix_length, *name));
+ free(old_name);
}
static void prefix_patches(struct patch *p)
{
- if (!prefix)
+ if (!prefix || p->is_toplevel_relative)
return;
for ( ; p; p = p->next) {
- p->new_name = prefix_one(p->new_name);
- p->old_name = prefix_one(p->old_name);
+ if (p->new_name == p->old_name) {
+ char *prefixed = p->new_name;
+ prefix_one(&prefixed);
+ p->new_name = p->old_name = prefixed;
+ }
+ else {
+ prefix_one(&p->new_name);
+ prefix_one(&p->old_name);
+ }
}
}
if (whitespace_error && (new_whitespace == error_on_whitespace))
apply = 0;
- write_index = check_index && apply;
- if (write_index && newfd < 0)
- newfd = hold_lock_file_for_update(&lock_file,
- get_index_file(), 1);
+ update_index = check_index && apply;
+ if (update_index && newfd < 0)
+ newfd = hold_locked_index(&lock_file, 1);
+
if (check_index) {
if (read_cache() < 0)
die("unable to read index file");
read_stdin = 0;
continue;
}
- if (!strncmp(arg, "--exclude=", 10)) {
+ if (!prefixcmp(arg, "--exclude=")) {
struct excludes *x = xmalloc(sizeof(*x));
x->path = arg + 10;
x->next = excludes;
excludes = x;
continue;
}
- if (!strncmp(arg, "-p", 2)) {
+ if (!prefixcmp(arg, "-p")) {
p_value = atoi(arg + 2);
+ p_value_known = 1;
continue;
}
if (!strcmp(arg, "--no-add")) {
line_termination = 0;
continue;
}
- if (!strncmp(arg, "-C", 2)) {
+ if (!prefixcmp(arg, "-C")) {
p_context = strtoul(arg + 2, &end, 0);
if (*end != '\0')
die("unrecognized context count '%s'", arg + 2);
continue;
}
- if (!strncmp(arg, "--whitespace=", 13)) {
+ if (!prefixcmp(arg, "--whitespace=")) {
whitespace_option = arg + 13;
parse_whitespace_option(arg + 13);
continue;
apply = apply_with_reject = apply_verbosely = 1;
continue;
}
- if (!strcmp(arg, "--verbose")) {
+ if (!strcmp(arg, "-v") || !strcmp(arg, "--verbose")) {
apply_verbosely = 1;
continue;
}
whitespace_error == 1 ? "s" : "");
}
- if (write_index) {
+ if (update_index) {
if (write_cache(newfd, active_cache, active_nr) ||
- close(newfd) || commit_lock_file(&lock_file))
+ close(newfd) || commit_locked_index(&lock_file))
die("Unable to write new index file");
}