tests: try git apply from subdir of toplevel
[gitweb.git] / config.c
index 7e5594b65e4e62514fde378f4f3abb1ee3d1cbdb..cdcf5836c6c374eb59e80f89dbcf525fd6bf780f 100644 (file)
--- a/config.c
+++ b/config.c
@@ -7,6 +7,7 @@
  */
 #include "cache.h"
 #include "exec_cmd.h"
+#include "strbuf.h"
 
 #define MAXNAME (256)
 
@@ -18,6 +19,48 @@ static int zlib_compression_seen;
 
 const char *config_exclusive_filename = NULL;
 
+struct config_item
+{
+       struct config_item *next;
+       char *name;
+       char *value;
+};
+static struct config_item *config_parameters;
+static struct config_item **config_parameters_tail = &config_parameters;
+
+static void lowercase(char *p)
+{
+       for (; *p; p++)
+               *p = tolower(*p);
+}
+
+int git_config_parse_parameter(const char *text)
+{
+       struct config_item *ct;
+       struct strbuf tmp = STRBUF_INIT;
+       struct strbuf **pair;
+       strbuf_addstr(&tmp, text);
+       pair = strbuf_split(&tmp, '=');
+       if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=')
+               strbuf_setlen(pair[0], pair[0]->len - 1);
+       strbuf_trim(pair[0]);
+       if (!pair[0]->len) {
+               strbuf_list_free(pair);
+               return -1;
+       }
+       ct = xcalloc(1, sizeof(struct config_item));
+       ct->name = strbuf_detach(pair[0], NULL);
+       if (pair[1]) {
+               strbuf_trim(pair[1]);
+               ct->value = strbuf_detach(pair[1], NULL);
+       }
+       strbuf_list_free(pair);
+       lowercase(ct->name);
+       *config_parameters_tail = ct;
+       config_parameters_tail = &ct->next;
+       return 0;
+}
+
 static int get_next_char(void)
 {
        int c;
@@ -322,17 +365,30 @@ unsigned long git_config_ulong(const char *name, const char *value)
        return ret;
 }
 
-int git_config_bool_or_int(const char *name, const char *value, int *is_bool)
+int git_config_maybe_bool(const char *name, const char *value)
 {
-       *is_bool = 1;
        if (!value)
                return 1;
        if (!*value)
                return 0;
-       if (!strcasecmp(value, "true") || !strcasecmp(value, "yes") || !strcasecmp(value, "on"))
+       if (!strcasecmp(value, "true")
+           || !strcasecmp(value, "yes")
+           || !strcasecmp(value, "on"))
                return 1;
-       if (!strcasecmp(value, "false") || !strcasecmp(value, "no") || !strcasecmp(value, "off"))
+       if (!strcasecmp(value, "false")
+           || !strcasecmp(value, "no")
+           || !strcasecmp(value, "off"))
                return 0;
+       return -1;
+}
+
+int git_config_bool_or_int(const char *name, const char *value, int *is_bool)
+{
+       int v = git_config_maybe_bool(name, value);
+       if (0 <= v) {
+               *is_bool = 1;
+               return v;
+       }
        *is_bool = 0;
        return git_config_int(name, value);
 }
@@ -351,6 +407,16 @@ int git_config_string(const char **dest, const char *var, const char *value)
        return 0;
 }
 
+int git_config_pathname(const char **dest, const char *var, const char *value)
+{
+       if (!value)
+               return config_error_nonbool(var);
+       *dest = expand_user_path(value);
+       if (!*dest)
+               die("Failed to expand user dir in: '%s'", value);
+       return 0;
+}
+
 static int git_default_core_config(const char *var, const char *value)
 {
        /* This needs a better name */
@@ -451,7 +517,9 @@ static int git_default_core_config(const char *var, const char *value)
 
        if (!strcmp(var, "core.autocrlf")) {
                if (value && !strcasecmp(value, "input")) {
-                       auto_crlf = -1;
+                       if (eol == EOL_CRLF)
+                               return error("core.autocrlf=input conflicts with core.eol=crlf");
+                       auto_crlf = AUTO_CRLF_INPUT;
                        return 0;
                }
                auto_crlf = git_config_bool(var, value);
@@ -467,6 +535,25 @@ static int git_default_core_config(const char *var, const char *value)
                return 0;
        }
 
+       if (!strcmp(var, "core.eol")) {
+               if (value && !strcasecmp(value, "lf"))
+                       eol = EOL_LF;
+               else if (value && !strcasecmp(value, "crlf"))
+                       eol = EOL_CRLF;
+               else if (value && !strcasecmp(value, "native"))
+                       eol = EOL_NATIVE;
+               else
+                       eol = EOL_UNSET;
+               if (eol == EOL_CRLF && auto_crlf == AUTO_CRLF_INPUT)
+                       return error("core.autocrlf=input conflicts with core.eol=crlf");
+               return 0;
+       }
+
+       if (!strcmp(var, "core.notesref")) {
+               notes_ref_name = xstrdup(value);
+               return 0;
+       }
+
        if (!strcmp(var, "core.pager"))
                return git_config_string(&pager_program, var, value);
 
@@ -474,7 +561,7 @@ static int git_default_core_config(const char *var, const char *value)
                return git_config_string(&editor_program, var, value);
 
        if (!strcmp(var, "core.excludesfile"))
-               return git_config_string(&excludes_file, var, value);
+               return git_config_pathname(&excludes_file, var, value);
 
        if (!strcmp(var, "core.whitespace")) {
                if (!value)
@@ -503,6 +590,11 @@ static int git_default_core_config(const char *var, const char *value)
                return 0;
        }
 
+       if (!strcmp(var, "core.sparsecheckout")) {
+               core_apply_sparse_checkout = git_config_bool(var, value);
+               return 0;
+       }
+
        /* Add other config variables here and to Documentation/config.txt. */
        return 0;
 }
@@ -513,8 +605,7 @@ static int git_default_user_config(const char *var, const char *value)
                if (!value)
                        return config_error_nonbool(var);
                strlcpy(git_default_name, value, sizeof(git_default_name));
-               if (git_default_email[0])
-                       user_ident_explicitly_given = 1;
+               user_ident_explicitly_given |= IDENT_NAME_GIVEN;
                return 0;
        }
 
@@ -522,8 +613,7 @@ static int git_default_user_config(const char *var, const char *value)
                if (!value)
                        return config_error_nonbool(var);
                strlcpy(git_default_email, value, sizeof(git_default_email));
-               if (git_default_name[0])
-                       user_ident_explicitly_given = 1;
+               user_ident_explicitly_given |= IDENT_MAIL_GIVEN;
                return 0;
        }
 
@@ -627,6 +717,9 @@ int git_default_config(const char *var, const char *value, void *dummy)
        if (!prefixcmp(var, "mailmap."))
                return git_default_mailmap_config(var, value);
 
+       if (!prefixcmp(var, "advice."))
+               return git_default_advice_config(var, value);
+
        if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) {
                pager_use_color = git_config_bool(var,value);
                return 0;
@@ -662,7 +755,7 @@ const char *git_etc_gitconfig(void)
        return system_wide;
 }
 
-static int git_env_bool(const char *k, int def)
+int git_env_bool(const char *k, int def)
 {
        const char *v = getenv(k);
        return v ? git_config_bool(k, v) : def;
@@ -678,6 +771,15 @@ int git_config_global(void)
        return !git_env_bool("GIT_CONFIG_NOGLOBAL", 0);
 }
 
+int git_config_from_parameters(config_fn_t fn, void *data)
+{
+       const struct config_item *ct;
+       for (ct = config_parameters; ct; ct = ct->next)
+               if (fn(ct->name, ct->value, data) < 0)
+                       return -1;
+       return 0;
+}
+
 int git_config(config_fn_t fn, void *data)
 {
        int ret = 0, found = 0;
@@ -709,6 +811,12 @@ int git_config(config_fn_t fn, void *data)
                found += 1;
        }
        free(repo_config);
+
+       if (config_parameters) {
+               ret += git_config_from_parameters(fn, data);
+               found += 1;
+       }
+
        if (found == 0)
                return -1;
        return ret;
@@ -1116,7 +1224,7 @@ int git_config_set_multivar(const char *key, const char *value,
                                    copy_end - copy_begin)
                                        goto write_err_out;
                                if (new_line &&
-                                   write_in_full(fd, "\n", 1) != 1)
+                                   write_str_in_full(fd, "\n") != 1)
                                        goto write_err_out;
                        }
                        copy_begin = store.offset[i];
@@ -1172,7 +1280,9 @@ int git_config_set_multivar(const char *key, const char *value,
 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 (buf[i] != '[')
+               return 0;
+       for (i = 1; buf[i] && buf[i] != ']'; i++) {
                if (!dot && isspace(buf[i])) {
                        dot = 1;
                        if (name[j++] != '.')
@@ -1193,7 +1303,17 @@ static int section_name_match (const char *buf, const char *name)
                if (buf[i] != name[j++])
                        break;
        }
-       return (buf[i] == ']' && name[j] == 0);
+       if (buf[i] == ']' && name[j] == 0) {
+               /*
+                * We match, now just find the right length offset by
+                * gobbling up any whitespace after it, as well
+                */
+               i++;
+               for (; buf[i] && isspace(buf[i]); i++)
+                       ; /* do nothing */
+               return i;
+       }
+       return 0;
 }
 
 /* if new_name == NULL, the section is removed instead */
@@ -1223,11 +1343,13 @@ int git_config_rename_section(const char *old_name, const char *new_name)
        while (fgets(buf, sizeof(buf), config_file)) {
                int i;
                int length;
+               char *output = buf;
                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)) {
+                       int offset = section_name_match(&buf[i], old_name);
+                       if (offset > 0) {
                                ret++;
                                if (new_name == NULL) {
                                        remove = 1;
@@ -1238,14 +1360,29 @@ int git_config_rename_section(const char *old_name, const char *new_name)
                                        ret = write_error(lock->filename);
                                        goto out;
                                }
-                               continue;
+                               /*
+                                * We wrote out the new section, with
+                                * a newline, now skip the old
+                                * section's length
+                                */
+                               output += offset + i;
+                               if (strlen(output) > 0) {
+                                       /*
+                                        * More content means there's
+                                        * a declaration to put on the
+                                        * next line; indent with a
+                                        * tab
+                                        */
+                                       output -= 1;
+                                       output[0] = '\t';
+                               }
                        }
                        remove = 0;
                }
                if (remove)
                        continue;
-               length = strlen(buf);
-               if (write_in_full(out_fd, buf, length) != length) {
+               length = strlen(output);
+               if (write_in_full(out_fd, output, length) != length) {
                        ret = write_error(lock->filename);
                        goto out;
                }