return 0;
}
+ if (!strcmp(var, "core.symlinks")) {
+ has_symlinks = git_config_bool(var, value);
+ return 0;
+ }
+
+ if (!strcmp(var, "core.bare")) {
+ is_bare_repository_cfg = git_config_bool(var, value);
+ return 0;
+ }
+
if (!strcmp(var, "core.ignorestat")) {
assume_unchanged = git_config_bool(var, value);
return 0;
return 0;
}
+ if (!strcmp(var, "core.packedgitwindowsize")) {
+ int pgsz_x2 = getpagesize() * 2;
+ packed_git_window_size = git_config_int(var, value);
+
+ /* This value must be multiple of (pagesize * 2) */
+ packed_git_window_size /= pgsz_x2;
+ if (packed_git_window_size < 1)
+ packed_git_window_size = 1;
+ packed_git_window_size *= pgsz_x2;
+ return 0;
+ }
+
+ if (!strcmp(var, "core.packedgitlimit")) {
+ packed_git_limit = git_config_int(var, value);
+ return 0;
+ }
+
+ if (!strcmp(var, "core.autocrlf")) {
+ if (value && !strcasecmp(value, "input")) {
+ auto_crlf = -1;
+ return 0;
+ }
+ auto_crlf = git_config_bool(var, value);
+ return 0;
+ }
+
if (!strcmp(var, "user.name")) {
strlcpy(git_default_name, value, sizeof(git_default_name));
return 0;
* config file otherwise. */
filename = getenv(CONFIG_ENVIRONMENT);
if (!filename) {
+ if (!access(ETC_GITCONFIG, R_OK))
+ ret += git_config_from_file(fn, ETC_GITCONFIG);
home = getenv("HOME");
filename = getenv(CONFIG_LOCAL_ENVIRONMENT);
if (!filename)
int do_not_match;
regex_t* value_regex;
int multi_replace;
- off_t offset[MAX_MATCHES];
+ size_t offset[MAX_MATCHES];
enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state;
int seen;
} store;
return 0;
}
-static void store_write_section(int fd, const char* key)
+static int write_error()
+{
+ fprintf(stderr, "Failed to write new configuration file\n");
+
+ /* Same error code as "failed to rename". */
+ return 4;
+}
+
+static int store_write_section(int fd, const char* key)
{
const char *dot = strchr(key, '.');
int len1 = store.baselen, len2 = -1;
}
}
- write(fd, "[", 1);
- write(fd, key, len1);
+ if (write_in_full(fd, "[", 1) != 1 ||
+ write_in_full(fd, key, len1) != len1)
+ return 0;
if (len2 >= 0) {
- write(fd, " \"", 2);
+ if (write_in_full(fd, " \"", 2) != 2)
+ return 0;
while (--len2 >= 0) {
unsigned char c = *++dot;
if (c == '"')
- write(fd, "\\", 1);
- write(fd, &c, 1);
+ if (write_in_full(fd, "\\", 1) != 1)
+ return 0;
+ if (write_in_full(fd, &c, 1) != 1)
+ return 0;
}
- write(fd, "\"", 1);
+ if (write_in_full(fd, "\"", 1) != 1)
+ return 0;
}
- write(fd, "]\n", 2);
+ if (write_in_full(fd, "]\n", 2) != 2)
+ return 0;
+
+ return 1;
}
-static void store_write_pair(int fd, const char* key, const char* value)
+static int store_write_pair(int fd, const char* key, const char* value)
{
int i;
+ int length = strlen(key+store.baselen+1);
+ int quote = 0;
- write(fd, "\t", 1);
- write(fd, key+store.baselen+1,
- strlen(key+store.baselen+1));
- write(fd, " = ", 3);
+ /* Check to see if the value needs to be quoted. */
+ if (value[0] == ' ')
+ quote = 1;
+ for (i = 0; value[i]; i++)
+ if (value[i] == ';' || value[i] == '#')
+ quote = 1;
+ if (value[i-1] == ' ')
+ quote = 1;
+
+ if (write_in_full(fd, "\t", 1) != 1 ||
+ write_in_full(fd, key+store.baselen+1, length) != length ||
+ write_in_full(fd, " = ", 3) != 3)
+ return 0;
+ if (quote && write_in_full(fd, "\"", 1) != 1)
+ return 0;
for (i = 0; value[i]; i++)
switch (value[i]) {
- case '\n': write(fd, "\\n", 2); break;
- case '\t': write(fd, "\\t", 2); break;
- case '"': case '\\': write(fd, "\\", 1);
- default: write(fd, value+i, 1);
- }
- write(fd, "\n", 1);
+ case '\n':
+ if (write_in_full(fd, "\\n", 2) != 2)
+ return 0;
+ break;
+ case '\t':
+ if (write_in_full(fd, "\\t", 2) != 2)
+ return 0;
+ break;
+ case '"':
+ case '\\':
+ if (write_in_full(fd, "\\", 1) != 1)
+ return 0;
+ default:
+ if (write_in_full(fd, value+i, 1) != 1)
+ return 0;
+ break;
+ }
+ if (quote && write_in_full(fd, "\"", 1) != 1)
+ return 0;
+ if (write_in_full(fd, "\n", 1) != 1)
+ return 0;
+ return 1;
}
-static int find_beginning_of_line(const char* contents, int size,
- int offset_, int* found_bracket)
+static ssize_t find_beginning_of_line(const char* contents, size_t size,
+ size_t offset_, int* found_bracket)
{
- int equal_offset = size, bracket_offset = size;
- int offset;
+ size_t equal_offset = size, bracket_offset = size;
+ ssize_t offset;
for (offset = offset_-2; offset > 0
&& contents[offset] != '\n'; offset--)
goto out_free;
}
c = tolower(c);
+ } else if (c == '\n') {
+ fprintf(stderr, "invalid key (newline): %s\n", key);
+ free(store.key);
+ ret = 1;
+ goto out_free;
}
store.key[i] = c;
}
}
store.key = (char*)key;
- store_write_section(fd, key);
- store_write_pair(fd, key, value);
- } else{
+ if (!store_write_section(fd, key) ||
+ !store_write_pair(fd, key, value))
+ goto write_err_out;
+ } else {
struct stat st;
char* contents;
- int i, copy_begin, copy_end, new_line = 0;
+ size_t contents_sz, copy_begin, copy_end;
+ int i, new_line = 0;
if (value_regex == NULL)
store.value_regex = NULL;
}
fstat(in_fd, &st);
- contents = mmap(NULL, st.st_size, PROT_READ,
+ contents_sz = xsize_t(st.st_size);
+ contents = xmmap(NULL, contents_sz, PROT_READ,
MAP_PRIVATE, in_fd, 0);
close(in_fd);
for (i = 0, copy_begin = 0; i < store.seen; i++) {
if (store.offset[i] == 0) {
- store.offset[i] = copy_end = st.st_size;
+ store.offset[i] = copy_end = contents_sz;
} else if (store.state != KEY_SEEN) {
copy_end = store.offset[i];
} else
copy_end = find_beginning_of_line(
- contents, st.st_size,
+ contents, contents_sz,
store.offset[i]-2, &new_line);
/* write the first part of the config */
if (copy_end > copy_begin) {
- write(fd, contents + copy_begin,
- copy_end - copy_begin);
- if (new_line)
- write(fd, "\n", 1);
+ if (write_in_full(fd, contents + copy_begin,
+ copy_end - copy_begin) <
+ copy_end - copy_begin)
+ goto write_err_out;
+ if (new_line &&
+ write_in_full(fd, "\n", 1) != 1)
+ goto write_err_out;
}
copy_begin = store.offset[i];
}
/* write the pair (value == NULL means unset) */
if (value != NULL) {
- if (store.state == START)
- store_write_section(fd, key);
- store_write_pair(fd, key, value);
+ if (store.state == START) {
+ if (!store_write_section(fd, key))
+ goto write_err_out;
+ }
+ if (!store_write_pair(fd, key, value))
+ goto write_err_out;
}
/* write the rest of the config */
- if (copy_begin < st.st_size)
- write(fd, contents + copy_begin,
- st.st_size - copy_begin);
+ if (copy_begin < contents_sz)
+ if (write_in_full(fd, contents + copy_begin,
+ contents_sz - copy_begin) <
+ contents_sz - copy_begin)
+ goto write_err_out;
- munmap(contents, st.st_size);
+ munmap(contents, contents_sz);
unlink(config_filename);
}
free(lock_file);
}
return ret;
+
+write_err_out:
+ ret = write_error();
+ goto out_free;
+
+}
+
+static int section_name_match (const char *buf, const char *name)
+{
+ int i = 0, j = 0, dot = 0;
+ for (; buf[i] && buf[i] != ']'; i++) {
+ if (!dot && isspace(buf[i])) {
+ dot = 1;
+ if (name[j++] != '.')
+ break;
+ for (i++; isspace(buf[i]); i++)
+ ; /* do nothing */
+ if (buf[i] != '"')
+ break;
+ continue;
+ }
+ if (buf[i] == '\\' && dot)
+ i++;
+ else if (buf[i] == '"' && dot) {
+ for (i++; isspace(buf[i]); i++)
+ ; /* do_nothing */
+ break;
+ }
+ if (buf[i] != name[j++])
+ break;
+ }
+ return (buf[i] == ']' && name[j] == 0);
}
+/* if new_name == NULL, the section is removed instead */
int git_config_rename_section(const char *old_name, const char *new_name)
{
- int ret = 0;
+ int ret = 0, remove = 0;
char *config_filename;
struct lock_file *lock = xcalloc(sizeof(struct lock_file), 1);
int out_fd;
while (fgets(buf, sizeof(buf), config_file)) {
int i;
+ int length;
for (i = 0; buf[i] && isspace(buf[i]); i++)
; /* do nothing */
if (buf[i] == '[') {
/* it's a section */
- int j = 0, dot = 0;
- for (i++; buf[i] && buf[i] != ']'; i++) {
- if (!dot && isspace(buf[i])) {
- dot = 1;
- if (old_name[j++] != '.')
- break;
- for (i++; isspace(buf[i]); i++)
- ; /* do nothing */
- if (buf[i] != '"')
- break;
+ if (section_name_match (&buf[i+1], old_name)) {
+ ret++;
+ if (new_name == NULL) {
+ remove = 1;
continue;
}
- if (buf[i] == '\\' && dot)
- i++;
- else if (buf[i] == '"' && dot) {
- for (i++; isspace(buf[i]); i++)
- ; /* do_nothing */
- break;
- }
- if (buf[i] != old_name[j++])
- break;
- }
- if (buf[i] == ']') {
- /* old_name matches */
- ret++;
store.baselen = strlen(new_name);
- store_write_section(out_fd, new_name);
+ if (!store_write_section(out_fd, new_name)) {
+ ret = write_error();
+ goto out;
+ }
continue;
}
+ remove = 0;
+ }
+ if (remove)
+ continue;
+ length = strlen(buf);
+ if (write_in_full(out_fd, buf, length) != length) {
+ ret = write_error();
+ goto out;
}
- write(out_fd, buf, strlen(buf));
}
fclose(config_file);
if (close(out_fd) || commit_lock_file(lock) < 0)
- ret = error("Cannot commit config file!");
+ ret = error("Cannot commit config file!");
out:
free(config_filename);
return ret;