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diff --git a/config.c b/config.c
index 298966f215fd0dc13dd6d414d90d792379a9c6d3..dd2de6e38e8d68d8622ad542e5c73cbcffeceeac 100644 (file)
--- a/config.c
+++ b/config.c
static FILE *config_file;
static const char *config_file_name;
static int config_linenr;
+static int zlib_compression_seen;
+
static int get_next_char(void)
{
int c;
die("bad config file line %d in %s", config_linenr, config_file_name);
}
-int git_config_int(const char *name, const char *value)
+static unsigned long get_unit_factor(const char *end)
+{
+ if (!*end)
+ return 1;
+ else if (!strcasecmp(end, "k"))
+ return 1024;
+ else if (!strcasecmp(end, "m"))
+ return 1024 * 1024;
+ else if (!strcasecmp(end, "g"))
+ return 1024 * 1024 * 1024;
+ die("unknown unit: '%s'", end);
+}
+
+int git_parse_long(const char *value, long *ret)
+{
+ if (value && *value) {
+ char *end;
+ long val = strtol(value, &end, 0);
+ *ret = val * get_unit_factor(end);
+ return 1;
+ }
+ return 0;
+}
+
+int git_parse_ulong(const char *value, unsigned long *ret)
{
if (value && *value) {
char *end;
- 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);
+ unsigned long val = strtoul(value, &end, 0);
+ *ret = val * get_unit_factor(end);
+ return 1;
+ }
+ return 0;
+}
+
+int git_config_int(const char *name, const char *value)
+{
+ long ret;
+ if (!git_parse_long(value, &ret))
+ die("bad config value for '%s' in %s", name, config_file_name);
+ return ret;
+}
+
+unsigned long git_config_ulong(const char *name, const char *value)
+{
+ unsigned long ret;
+ if (!git_parse_ulong(value, &ret))
+ die("bad config value for '%s' in %s", name, config_file_name);
+ return ret;
}
int git_config_bool(const char *name, const char *value)
return 0;
}
+ if (!strcmp(var, "core.quotepath")) {
+ quote_path_fully = git_config_bool(var, value);
+ return 0;
+ }
+
if (!strcmp(var, "core.symlinks")) {
has_symlinks = git_config_bool(var, value);
return 0;
return 0;
}
- if (!strcmp(var, "core.compression")) {
+ if (!strcmp(var, "core.loosecompression")) {
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;
+ zlib_compression_seen = 1;
+ 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);
+ core_compression_level = level;
+ core_compression_seen = 1;
+ if (!zlib_compression_seen)
+ zlib_compression_level = level;
return 0;
}
return 0;
}
+ if (!strcmp(var, "core.pager")) {
+ pager_program = xstrdup(value);
+ return 0;
+ }
+
/* Add other config variables here and to Documentation/config.txt. */
return 0;
}
static int store_aux(const char* key, const char* value)
{
+ const char *ep;
+ size_t section_len;
+
switch (store.state) {
case KEY_SEEN:
if (matches(key, value)) {
}
break;
case SECTION_SEEN:
- if (strncmp(key, store.key, store.baselen+1)) {
+ /*
+ * What we are looking for is in store.key (both
+ * section and var), and its section part is baselen
+ * long. We found key (again, both section and var).
+ * We would want to know if this key is in the same
+ * section as what we are looking for. We already
+ * know we are in the same section as what should
+ * hold store.key.
+ */
+ ep = strrchr(key, '.');
+ section_len = ep - key;
+
+ if ((section_len != store.baselen) ||
+ memcmp(key, store.key, section_len+1)) {
store.state = SECTION_END_SEEN;
break;
- } else
- /* do not increment matches: this is no match */
- store.offset[store.seen] = ftell(config_file);
+ }
+
+ /*
+ * Do not increment matches: this is no match, but we
+ * just made sure we are in the desired section.
+ */
+ store.offset[store.seen] = ftell(config_file);
/* fallthru */
case SECTION_END_SEEN:
case START:
return 0;
}
-static int write_error()
+static int write_error(void)
{
fprintf(stderr, "Failed to write new configuration file\n");
size_t equal_offset = size, bracket_offset = size;
ssize_t offset;
- for (offset = offset_-2; offset > 0
+ for (offset = offset_-2; offset > 0
&& contents[offset] != '\n'; offset--)
switch (contents[offset]) {
case '=': equal_offset = offset; break;
int fd = -1, in_fd;
int ret;
char* config_filename;
- char* lock_file;
+ struct lock_file *lock = NULL;
const char* last_dot = strrchr(key, '.');
config_filename = getenv(CONFIG_ENVIRONMENT);
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
store.key[i] = 0;
/*
- * The lock_file serves a purpose in addition to locking: the new
+ * The lock serves a purpose in addition to locking: the new
* contents of .git/config will be written into it.
*/
- fd = open(lock_file, O_WRONLY | O_CREAT | O_EXCL, 0666);
- if (fd < 0 || adjust_shared_perm(lock_file)) {
+ lock = xcalloc(sizeof(struct lock_file), 1);
+ fd = hold_lock_file_for_update(lock, config_filename, 0);
+ if (fd < 0) {
fprintf(stderr, "could not lock config file\n");
free(store.key);
ret = -1;
goto write_err_out;
munmap(contents, contents_sz);
- unlink(config_filename);
}
- if (rename(lock_file, config_filename) < 0) {
- fprintf(stderr, "Could not rename the lock file?\n");
+ if (close(fd) || commit_lock_file(lock) < 0) {
+ fprintf(stderr, "Cannot commit config file!\n");
ret = 4;
goto out_free;
}
+ /* fd is closed, so don't try to close it below. */
+ fd = -1;
+ /*
+ * lock is committed, so don't try to roll it back below.
+ * NOTE: Since lockfile.c keeps a linked list of all created
+ * lock_file structures, it isn't safe to free(lock). It's
+ * better to just leave it hanging around.
+ */
+ lock = NULL;
ret = 0;
out_free:
if (0 <= fd)
close(fd);
+ if (lock)
+ rollback_lock_file(lock);
free(config_filename);
- if (lock_file) {
- unlink(lock_file);
- free(lock_file);
- }
return ret;
write_err_out:
free(config_filename);
return ret;
}
-