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-rw-r--r--config.c244
1 files changed, 194 insertions, 50 deletions
diff --git a/config.c b/config.c
index 01e0bdbafd..c4424c0138 100644
--- a/config.c
+++ b/config.c
@@ -6,11 +6,13 @@
*
*/
#include "cache.h"
+#include "lockfile.h"
#include "exec_cmd.h"
#include "strbuf.h"
#include "quote.h"
#include "hashmap.h"
#include "string-list.h"
+#include "utf8.h"
struct config_source {
struct config_source *prev;
@@ -35,12 +37,6 @@ struct config_source {
long (*do_ftell)(struct config_source *c);
};
-struct config_set_element {
- struct hashmap_entry ent;
- char *key;
- struct string_list value_list;
-};
-
static struct config_source *cf;
static int zlib_compression_seen;
@@ -78,8 +74,12 @@ static int config_buf_fgetc(struct config_source *conf)
static int config_buf_ungetc(int c, struct config_source *conf)
{
- if (conf->u.buf.pos > 0)
- return conf->u.buf.buf[--conf->u.buf.pos];
+ if (conf->u.buf.pos > 0) {
+ conf->u.buf.pos--;
+ if (conf->u.buf.buf[conf->u.buf.pos] != c)
+ die("BUG: config_buf can only ungetc the same character");
+ return c;
+ }
return EOF;
}
@@ -142,7 +142,6 @@ static int handle_path_include(const char *path, struct config_include_data *inc
int git_config_include(const char *var, const char *value, void *data)
{
struct config_include_data *inc = data;
- const char *type;
int ret;
/*
@@ -153,10 +152,7 @@ int git_config_include(const char *var, const char *value, void *data)
if (ret < 0)
return ret;
- if (!skip_prefix(var, "include.", &type))
- return ret;
-
- if (!strcmp(type, "path"))
+ if (!strcmp(var, "include.path"))
ret = handle_path_include(value, inc);
return ret;
}
@@ -244,7 +240,8 @@ static int get_next_char(void)
/* DOS like systems */
c = cf->do_fgetc(cf);
if (c != '\n') {
- cf->do_ungetc(c, cf);
+ if (c != EOF)
+ cf->do_ungetc(c, cf);
c = '\r';
}
}
@@ -252,6 +249,7 @@ static int get_next_char(void)
cf->linenr++;
if (c == EOF) {
cf->eof = 1;
+ cf->linenr++;
c = '\n';
}
return c;
@@ -327,6 +325,7 @@ static int get_value(config_fn_t fn, void *data, struct strbuf *name)
{
int c;
char *value;
+ int ret;
/* Get the full name */
for (;;) {
@@ -349,7 +348,15 @@ static int get_value(config_fn_t fn, void *data, struct strbuf *name)
if (!value)
return -1;
}
- return fn(name->buf, value, data);
+ /*
+ * We already consumed the \n, but we need linenr to point to
+ * the line we just parsed during the call to fn to get
+ * accurate line number in error messages.
+ */
+ cf->linenr--;
+ ret = fn(name->buf, value, data);
+ cf->linenr++;
+ return ret;
}
static int get_extended_base_var(struct strbuf *name, int c)
@@ -411,8 +418,7 @@ static int git_parse_source(config_fn_t fn, void *data)
struct strbuf *var = &cf->var;
/* U+FEFF Byte Order Mark in UTF8 */
- static const unsigned char *utf8_bom = (unsigned char *) "\xef\xbb\xbf";
- const unsigned char *bomptr = utf8_bom;
+ const char *bomptr = utf8_bom;
for (;;) {
int c = get_next_char();
@@ -420,7 +426,7 @@ static int git_parse_source(config_fn_t fn, void *data)
/* We are at the file beginning; skip UTF8-encoded BOM
* if present. Sane editors won't put this in on their
* own, but e.g. Windows Notepad will do it happily. */
- if ((unsigned char) c == *bomptr) {
+ if (c == (*bomptr & 0377)) {
bomptr++;
continue;
} else {
@@ -465,9 +471,9 @@ static int git_parse_source(config_fn_t fn, void *data)
break;
}
if (cf->die_on_error)
- die("bad config file line %d in %s", cf->linenr, cf->name);
+ die(_("bad config file line %d in %s"), cf->linenr, cf->name);
else
- return error("bad config file line %d in %s", cf->linenr, cf->name);
+ return error(_("bad config file line %d in %s"), cf->linenr, cf->name);
}
static int parse_unit_factor(const char *end, uintmax_t *val)
@@ -505,9 +511,9 @@ static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max)
errno = EINVAL;
return 0;
}
- uval = abs(val);
+ uval = labs(val);
uval *= factor;
- if (uval > max || abs(val) > uval) {
+ if (uval > max || labs(val) > uval) {
errno = ERANGE;
return 0;
}
@@ -583,9 +589,9 @@ static void die_bad_number(const char *name, const char *value)
value = "";
if (cf && cf->name)
- die("bad numeric config value '%s' for '%s' in %s: %s",
+ die(_("bad numeric config value '%s' for '%s' in %s: %s"),
value, name, cf->name, reason);
- die("bad numeric config value '%s' for '%s': %s", value, name, reason);
+ die(_("bad numeric config value '%s' for '%s': %s"), value, name, reason);
}
int git_config_int(const char *name, const char *value)
@@ -670,7 +676,7 @@ int git_config_pathname(const char **dest, const char *var, const char *value)
return config_error_nonbool(var);
*dest = expand_user_path(value);
if (!*dest)
- die("Failed to expand user dir in: '%s'", value);
+ die(_("failed to expand user dir in: '%s'"), value);
return 0;
}
@@ -748,7 +754,7 @@ static int git_default_core_config(const char *var, const char *value)
if (level == -1)
level = Z_DEFAULT_COMPRESSION;
else if (level < 0 || level > Z_BEST_COMPRESSION)
- die("bad zlib compression level %d", level);
+ die(_("bad zlib compression level %d"), level);
zlib_compression_level = level;
zlib_compression_seen = 1;
return 0;
@@ -759,7 +765,7 @@ static int git_default_core_config(const char *var, const char *value)
if (level == -1)
level = Z_DEFAULT_COMPRESSION;
else if (level < 0 || level > Z_BEST_COMPRESSION)
- die("bad zlib compression level %d", level);
+ die(_("bad zlib compression level %d"), level);
core_compression_level = level;
core_compression_seen = 1;
if (!zlib_compression_seen)
@@ -881,7 +887,7 @@ static int git_default_core_config(const char *var, const char *value)
else if (!strcmp(value, "link"))
object_creation_mode = OBJECT_CREATION_USES_HARDLINKS;
else
- die("Invalid mode for object creation: %s", value);
+ die(_("invalid mode for object creation: %s"), value);
return 0;
}
@@ -895,6 +901,16 @@ static int git_default_core_config(const char *var, const char *value)
return 0;
}
+ if (!strcmp(var, "core.protecthfs")) {
+ protect_hfs = git_config_bool(var, value);
+ return 0;
+ }
+
+ if (!strcmp(var, "core.protectntfs")) {
+ protect_ntfs = git_config_bool(var, value);
+ return 0;
+ }
+
/* Add other config variables here and to Documentation/config.txt. */
return 0;
}
@@ -1139,12 +1155,28 @@ const char *git_etc_gitconfig(void)
return system_wide;
}
+/*
+ * Parse environment variable 'k' as a boolean (in various
+ * possible spellings); if missing, use the default value 'def'.
+ */
int git_env_bool(const char *k, int def)
{
const char *v = getenv(k);
return v ? git_config_bool(k, v) : def;
}
+/*
+ * Parse environment variable 'k' as ulong with possibly a unit
+ * suffix; if missing, use the default value 'val'.
+ */
+unsigned long git_env_ulong(const char *k, unsigned long val)
+{
+ const char *v = getenv(k);
+ if (v && !git_parse_ulong(v, &val))
+ die("failed to parse %s", k);
+ return val;
+}
+
int git_config_system(void)
{
return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0);
@@ -1181,7 +1213,7 @@ int git_config_early(config_fn_t fn, void *data, const char *repo_config)
switch (git_config_from_parameters(fn, data)) {
case -1: /* error */
- die("unable to parse command-line config");
+ die(_("unable to parse command-line config"));
break;
case 0: /* found nothing */
break;
@@ -1228,9 +1260,48 @@ int git_config_with_options(config_fn_t fn, void *data,
return ret;
}
-int git_config(config_fn_t fn, void *data)
+static void git_config_raw(config_fn_t fn, void *data)
{
- return git_config_with_options(fn, data, NULL, 1);
+ if (git_config_with_options(fn, data, NULL, 1) < 0)
+ /*
+ * git_config_with_options() normally returns only
+ * positive values, as most errors are fatal, and
+ * non-fatal potential errors are guarded by "if"
+ * statements that are entered only when no error is
+ * possible.
+ *
+ * If we ever encounter a non-fatal error, it means
+ * something went really wrong and we should stop
+ * immediately.
+ */
+ die(_("unknown error occured while reading the configuration files"));
+}
+
+static void configset_iter(struct config_set *cs, config_fn_t fn, void *data)
+{
+ int i, value_index;
+ struct string_list *values;
+ struct config_set_element *entry;
+ struct configset_list *list = &cs->list;
+ struct key_value_info *kv_info;
+
+ for (i = 0; i < list->nr; i++) {
+ entry = list->items[i].e;
+ value_index = list->items[i].value_index;
+ values = &entry->value_list;
+ if (fn(entry->key, values->items[value_index].string, data) < 0) {
+ kv_info = values->items[value_index].util;
+ git_die_config_linenr(entry->key, kv_info->filename, kv_info->linenr);
+ }
+ }
+}
+
+static void git_config_check_init(void);
+
+void git_config(config_fn_t fn, void *data)
+{
+ git_config_check_init();
+ configset_iter(&the_config_set, fn, data);
}
static struct config_set_element *configset_find_element(struct config_set *cs, const char *key)
@@ -1258,6 +1329,10 @@ static struct config_set_element *configset_find_element(struct config_set *cs,
static int configset_add_value(struct config_set *cs, const char *key, const char *value)
{
struct config_set_element *e;
+ struct string_list_item *si;
+ struct configset_list_item *l_item;
+ struct key_value_info *kv_info = xmalloc(sizeof(*kv_info));
+
e = configset_find_element(cs, key);
/*
* Since the keys are being fed by git_config*() callback mechanism, they
@@ -1270,7 +1345,22 @@ static int configset_add_value(struct config_set *cs, const char *key, const cha
string_list_init(&e->value_list, 1);
hashmap_add(&cs->config_hash, e);
}
- string_list_append_nodup(&e->value_list, value ? xstrdup(value) : NULL);
+ si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value));
+
+ ALLOC_GROW(cs->list.items, cs->list.nr + 1, cs->list.alloc);
+ l_item = &cs->list.items[cs->list.nr++];
+ l_item->e = e;
+ l_item->value_index = e->value_list.nr - 1;
+
+ if (cf) {
+ kv_info->filename = strintern(cf->name);
+ kv_info->linenr = cf->linenr;
+ } else {
+ /* for values read from `git_config_from_parameters()` */
+ kv_info->filename = NULL;
+ kv_info->linenr = -1;
+ }
+ si->util = kv_info;
return 0;
}
@@ -1285,6 +1375,9 @@ void git_configset_init(struct config_set *cs)
{
hashmap_init(&cs->config_hash, (hashmap_cmp_fn)config_set_element_cmp, 0);
cs->hash_initialized = 1;
+ cs->list.nr = 0;
+ cs->list.alloc = 0;
+ cs->list.items = NULL;
}
void git_configset_clear(struct config_set *cs)
@@ -1297,10 +1390,14 @@ void git_configset_clear(struct config_set *cs)
hashmap_iter_init(&cs->config_hash, &iter);
while ((entry = hashmap_iter_next(&iter))) {
free(entry->key);
- string_list_clear(&entry->value_list, 0);
+ string_list_clear(&entry->value_list, 1);
}
hashmap_free(&cs->config_hash, 1);
cs->hash_initialized = 0;
+ free(cs->list.items);
+ cs->list.nr = 0;
+ cs->list.alloc = 0;
+ cs->list.items = NULL;
}
static int config_set_callback(const char *key, const char *value, void *cb)
@@ -1419,7 +1516,7 @@ static void git_config_check_init(void)
if (the_config_set.hash_initialized)
return;
git_configset_init(&the_config_set);
- git_config(config_set_callback, &the_config_set);
+ git_config_raw(config_set_callback, &the_config_set);
}
void git_config_clear(void)
@@ -1443,8 +1540,12 @@ const struct string_list *git_config_get_value_multi(const char *key)
int git_config_get_string_const(const char *key, const char **dest)
{
+ int ret;
git_config_check_init();
- return git_configset_get_string_const(&the_config_set, key, dest);
+ ret = git_configset_get_string_const(&the_config_set, key, dest);
+ if (ret < 0)
+ git_die_config(key, NULL);
+ return ret;
}
int git_config_get_string(const char *key, char **dest)
@@ -1485,8 +1586,39 @@ int git_config_get_maybe_bool(const char *key, int *dest)
int git_config_get_pathname(const char *key, const char **dest)
{
+ int ret;
git_config_check_init();
- return git_configset_get_pathname(&the_config_set, key, dest);
+ ret = git_configset_get_pathname(&the_config_set, key, dest);
+ if (ret < 0)
+ git_die_config(key, NULL);
+ return ret;
+}
+
+NORETURN
+void git_die_config_linenr(const char *key, const char *filename, int linenr)
+{
+ if (!filename)
+ die(_("unable to parse '%s' from command-line config"), key);
+ else
+ die(_("bad config variable '%s' in file '%s' at line %d"),
+ key, filename, linenr);
+}
+
+NORETURN __attribute__((format(printf, 2, 3)))
+void git_die_config(const char *key, const char *err, ...)
+{
+ const struct string_list *values;
+ struct key_value_info *kv_info;
+
+ if (err) {
+ va_list params;
+ va_start(params, err);
+ vreportf("error: ", err, params);
+ va_end(params);
+ }
+ values = git_config_get_value_multi(key);
+ kv_info = values->items[values->nr - 1].util;
+ git_die_config_linenr(key, kv_info->filename, kv_info->linenr);
}
/*
@@ -1507,10 +1639,15 @@ static struct {
static int matches(const char *key, const char *value)
{
- return !strcmp(key, store.key) &&
- (store.value_regex == NULL ||
- (store.do_not_match ^
- !regexec(store.value_regex, value, 0, NULL, 0)));
+ if (strcmp(key, store.key))
+ return 0; /* not ours */
+ if (!store.value_regex)
+ return 1; /* always matches */
+ if (store.value_regex == CONFIG_REGEX_NONE)
+ return 0; /* never matches */
+
+ return store.do_not_match ^
+ (value && !regexec(store.value_regex, value, 0, NULL, 0));
}
static int store_aux(const char *key, const char *value, void *cb)
@@ -1522,7 +1659,7 @@ static int store_aux(const char *key, const char *value, void *cb)
case KEY_SEEN:
if (matches(key, value)) {
if (store.seen == 1 && store.multi_replace == 0) {
- warning("%s has multiple values", key);
+ warning(_("%s has multiple values"), key);
}
ALLOC_GROW(store.offset, store.seen + 1,
@@ -1772,6 +1909,8 @@ out_free_ret_1:
/*
* If value==NULL, unset in (remove from) config,
* if value_regex!=NULL, disregard key/value pairs where value does not match.
+ * if value_regex==CONFIG_REGEX_NONE, do not match any existing values
+ * (only add a new one)
* if multi_replace==0, nothing, or only one matching key/value is replaced,
* else all matching key/values (regardless how many) are removed,
* before the new pair is written.
@@ -1855,6 +1994,8 @@ int git_config_set_multivar_in_file(const char *config_filename,
if (value_regex == NULL)
store.value_regex = NULL;
+ else if (value_regex == CONFIG_REGEX_NONE)
+ store.value_regex = CONFIG_REGEX_NONE;
else {
if (value_regex[0] == '!') {
store.do_not_match = 1;
@@ -1886,7 +2027,8 @@ int git_config_set_multivar_in_file(const char *config_filename,
if (git_config_from_file(store_aux, config_filename, NULL)) {
error("invalid config file %s", config_filename);
free(store.key);
- if (store.value_regex != NULL) {
+ if (store.value_regex != NULL &&
+ store.value_regex != CONFIG_REGEX_NONE) {
regfree(store.value_regex);
free(store.value_regex);
}
@@ -1895,7 +2037,8 @@ int git_config_set_multivar_in_file(const char *config_filename,
}
free(store.key);
- if (store.value_regex != NULL) {
+ if (store.value_regex != NULL &&
+ store.value_regex != CONFIG_REGEX_NONE) {
regfree(store.value_regex);
free(store.value_regex);
}
@@ -1913,9 +2056,9 @@ int git_config_set_multivar_in_file(const char *config_filename,
MAP_PRIVATE, in_fd, 0);
close(in_fd);
- if (chmod(lock->filename, st.st_mode & 07777) < 0) {
+ if (chmod(lock->filename.buf, st.st_mode & 07777) < 0) {
error("chmod on %s failed: %s",
- lock->filename, strerror(errno));
+ lock->filename.buf, strerror(errno));
ret = CONFIG_NO_WRITE;
goto out_free;
}
@@ -1972,6 +2115,7 @@ int git_config_set_multivar_in_file(const char *config_filename,
if (commit_lock_file(lock) < 0) {
error("could not commit config file %s", config_filename);
ret = CONFIG_NO_WRITE;
+ lock = NULL;
goto out_free;
}
@@ -1994,7 +2138,7 @@ out_free:
return ret;
write_err_out:
- ret = write_error(lock->filename);
+ ret = write_error(lock->filename.buf);
goto out_free;
}
@@ -2095,9 +2239,9 @@ int git_config_rename_section_in_file(const char *config_filename,
fstat(fileno(config_file), &st);
- if (chmod(lock->filename, st.st_mode & 07777) < 0) {
+ if (chmod(lock->filename.buf, st.st_mode & 07777) < 0) {
ret = error("chmod on %s failed: %s",
- lock->filename, strerror(errno));
+ lock->filename.buf, strerror(errno));
goto out;
}
@@ -2118,7 +2262,7 @@ int git_config_rename_section_in_file(const char *config_filename,
}
store.baselen = strlen(new_name);
if (!store_write_section(out_fd, new_name)) {
- ret = write_error(lock->filename);
+ ret = write_error(lock->filename.buf);
goto out;
}
/*
@@ -2144,7 +2288,7 @@ int git_config_rename_section_in_file(const char *config_filename,
continue;
length = strlen(output);
if (write_in_full(out_fd, output, length) != length) {
- ret = write_error(lock->filename);
+ ret = write_error(lock->filename.buf);
goto out;
}
}