*
*/
#include "cache.h"
-#include <regex.h>
#define MAXNAME (256)
}
}
+static inline int iskeychar(int c)
+{
+ return isalnum(c) || c == '-';
+}
+
static int get_value(config_fn_t fn, char *name, unsigned int len)
{
int c;
c = get_next_char();
if (c == EOF)
break;
- if (!isalnum(c))
+ if (!iskeychar(c))
break;
name[len++] = tolower(c);
if (len >= MAXNAME)
return baselen;
if (isspace(c))
return get_extended_base_var(name, baselen, c);
- if (!isalnum(c) && c != '.')
+ if (!iskeychar(c) && c != '.')
return -1;
if (baselen > MAXNAME / 2)
return -1;
int val = strtol(value, &end, 0);
if (!*end)
return val;
+ if (!strcasecmp(end, "k"))
+ return val * 1024;
+ if (!strcasecmp(end, "m"))
+ return val * 1024 * 1024;
+ if (!strcasecmp(end, "g"))
+ return val * 1024 * 1024 * 1024;
}
die("bad config value for '%s' in %s", name, config_file_name);
}
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.deltabasecachelimit")) {
+ delta_base_cache_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;
}
if (!strcmp(var, "i18n.commitencoding")) {
- strlcpy(git_commit_encoding, value, sizeof(git_commit_encoding));
+ git_commit_encoding = xstrdup(value);
+ return 0;
+ }
+
+ if (!strcmp(var, "i18n.logoutputencoding")) {
+ git_log_output_encoding = xstrdup(value);
return 0;
}
- if (!strcmp(var, "pager.color")) {
+
+ if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) {
pager_use_color = git_config_bool(var,value);
return 0;
}
* $GIT_CONFIG_LOCAL will make it process it in addition to the
* global config file, the same way it would the per-repository
* config file otherwise. */
- filename = getenv("GIT_CONFIG");
+ 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("GIT_CONFIG_LOCAL");
+ filename = getenv(CONFIG_LOCAL_ENVIRONMENT);
if (!filename)
- filename = repo_config = strdup(git_path("config"));
+ filename = repo_config = xstrdup(git_path("config"));
}
if (home) {
- char *user_config = strdup(mkpath("%s/.gitconfig", home));
+ char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
if (!access(user_config, R_OK))
ret = git_config_from_file(fn, user_config);
free(user_config);
}
ret += git_config_from_file(fn, filename);
- if (repo_config)
- free(repo_config);
+ free(repo_config);
return ret;
}
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--)
char* lock_file;
const char* last_dot = strrchr(key, '.');
- config_filename = getenv("GIT_CONFIG");
+ config_filename = getenv(CONFIG_ENVIRONMENT);
if (!config_filename) {
- config_filename = getenv("GIT_CONFIG_LOCAL");
+ config_filename = getenv(CONFIG_LOCAL_ENVIRONMENT);
if (!config_filename)
config_filename = git_path("config");
}
- config_filename = strdup(config_filename);
- lock_file = strdup(mkpath("%s.lock", config_filename));
+ config_filename = xstrdup(config_filename);
+ lock_file = xstrdup(mkpath("%s.lock", config_filename));
/*
* Since "key" actually contains the section name and the real
/*
* Validate the key and while at it, lower case it for matching.
*/
- store.key = (char*)malloc(strlen(key)+1);
+ store.key = xmalloc(strlen(key) + 1);
dot = 0;
for (i = 0; key[i]; i++) {
unsigned char c = key[i];
dot = 1;
/* Leave the extended basename untouched.. */
if (!dot || i > store.baselen) {
- if (!isalnum(c) || (i == store.baselen+1 && !isalpha(c))) {
+ if (!iskeychar(c) || (i == store.baselen+1 && !isalpha(c))) {
fprintf(stderr, "invalid key: %s\n", key);
free(store.key);
ret = 1;
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;
} else
store.do_not_match = 0;
- store.value_regex = (regex_t*)malloc(sizeof(regex_t));
+ store.value_regex = (regex_t*)xmalloc(sizeof(regex_t));
if (regcomp(store.value_regex, value_regex,
REG_EXTENDED)) {
fprintf(stderr, "Invalid pattern: %s\n",
}
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);
}
out_free:
if (0 <= fd)
close(fd);
- if (config_filename)
- free(config_filename);
+ free(config_filename);
if (lock_file) {
unlink(lock_file);
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, remove = 0;
+ char *config_filename;
+ struct lock_file *lock = xcalloc(sizeof(struct lock_file), 1);
+ int out_fd;
+ char buf[1024];
+
+ config_filename = getenv(CONFIG_ENVIRONMENT);
+ if (!config_filename) {
+ config_filename = getenv(CONFIG_LOCAL_ENVIRONMENT);
+ if (!config_filename)
+ config_filename = git_path("config");
+ }
+ config_filename = xstrdup(config_filename);
+ out_fd = hold_lock_file_for_update(lock, config_filename, 0);
+ if (out_fd < 0) {
+ ret = error("Could not lock config file!");
+ goto out;
+ }
+
+ if (!(config_file = fopen(config_filename, "rb"))) {
+ ret = error("Could not open config file!");
+ goto out;
+ }
+
+ 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 */
+ if (section_name_match (&buf[i+1], old_name)) {
+ ret++;
+ if (new_name == NULL) {
+ remove = 1;
+ continue;
+ }
+ store.baselen = strlen(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;
+ }
+ }
+ fclose(config_file);
+ if (close(out_fd) || commit_lock_file(lock) < 0)
+ ret = error("Cannot commit config file!");
+ out:
+ free(config_filename);
+ return ret;
+}