*
*/
#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 1;
if (!*value)
return 0;
- if (!strcasecmp(value, "true"))
+ if (!strcasecmp(value, "true") || !strcasecmp(value, "yes"))
return 1;
- if (!strcasecmp(value, "false"))
+ if (!strcasecmp(value, "false") || !strcasecmp(value, "no"))
return 0;
return git_config_int(name, value) != 0;
}
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.legacyheaders")) {
+ use_legacy_headers = git_config_bool(var, value);
+ return 0;
+ }
+
+ if (!strcmp(var, "core.compression")) {
+ int level = git_config_int(var, value);
+ if (level == -1)
+ level = Z_DEFAULT_COMPRESSION;
+ else if (level < 0 || level > Z_BEST_COMPRESSION)
+ die("bad zlib compression level %d", level);
+ zlib_compression_level = level;
+ return 0;
+ }
+
+ if (!strcmp(var, "core.packedgitwindowsize")) {
+ int pgsz = getpagesize();
+ packed_git_window_size = git_config_int(var, value);
+ packed_git_window_size /= pgsz;
+ if (packed_git_window_size < 2)
+ packed_git_window_size = 2;
+ packed_git_window_size *= pgsz;
+ return 0;
+ }
+
+ if (!strcmp(var, "core.packedgitlimit")) {
+ packed_git_limit = git_config_int(var, value);
+ return 0;
+ }
+
if (!strcmp(var, "user.name")) {
- safe_strncpy(git_default_name, value, sizeof(git_default_name));
+ strlcpy(git_default_name, value, sizeof(git_default_name));
return 0;
}
if (!strcmp(var, "user.email")) {
- safe_strncpy(git_default_email, value, sizeof(git_default_email));
+ strlcpy(git_default_email, value, sizeof(git_default_email));
return 0;
}
if (!strcmp(var, "i18n.commitencoding")) {
- safe_strncpy(git_commit_encoding, value, sizeof(git_commit_encoding));
+ git_commit_encoding = strdup(value);
+ return 0;
+ }
+
+ if (!strcmp(var, "i18n.logoutputencoding")) {
+ git_log_output_encoding = strdup(value);
+ return 0;
+ }
+
+
+ if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) {
+ pager_use_color = git_config_bool(var,value);
return 0;
}
int git_config(config_fn_t fn)
{
- const char *filename = git_path("config");
- /* Forward-compatibility cue: $GIT_CONFIG makes git read _only_
- * the given config file, $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. */
- if (getenv("GIT_CONFIG")) {
- filename = getenv("GIT_CONFIG");
- } else if (getenv("GIT_CONFIG_LOCAL")) {
- filename = getenv("GIT_CONFIG_LOCAL");
- }
- return git_config_from_file(fn, filename);
+ int ret = 0;
+ char *repo_config = NULL;
+ const char *home = NULL, *filename;
+
+ /* $GIT_CONFIG makes git read _only_ the given config file,
+ * $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(CONFIG_ENVIRONMENT);
+ if (!filename) {
+ home = getenv("HOME");
+ filename = getenv(CONFIG_LOCAL_ENVIRONMENT);
+ if (!filename)
+ filename = repo_config = xstrdup(git_path("config"));
+ }
+
+ if (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);
+ free(repo_config);
+ return ret;
}
/*
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 i, dot;
int fd = -1, in_fd;
int ret;
- char* config_filename = strdup(git_path("config"));
- char* lock_file = strdup(git_path("config.lock"));
+ char* config_filename;
+ char* lock_file;
const char* last_dot = strrchr(key, '.');
+ 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);
+ lock_file = xstrdup(mkpath("%s.lock", config_filename));
+
/*
* Since "key" actually contains the section name and the real
* key name separated by a dot, we have to know where the dot is.
/*
* 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;
} 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",
* As a side effect, we make sure to transform only a valid
* existing config file.
*/
- if (git_config(store_aux)) {
+ if (git_config_from_file(store_aux, config_filename)) {
fprintf(stderr, "invalid config file\n");
free(store.key);
if (store.value_regex != NULL) {
}
fstat(in_fd, &st);
- contents = mmap(NULL, st.st_size, PROT_READ,
+ contents = xmmap(NULL, st.st_size, PROT_READ,
MAP_PRIVATE, in_fd, 0);
close(in_fd);
/* 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 (write_in_full(fd, contents + copy_begin,
+ st.st_size - copy_begin) <
+ st.st_size - copy_begin)
+ goto write_err_out;
munmap(contents, st.st_size);
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;
+
}
+int git_config_rename_section(const char *old_name, const char *new_name)
+{
+ int ret = 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 */
+ 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;
+ 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);
+ if (!store_write_section(out_fd, new_name)) {
+ ret = write_error();
+ goto out;
+ }
+ 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;
+}