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-rw-r--r--builtin-config.c428
1 files changed, 428 insertions, 0 deletions
diff --git a/builtin-config.c b/builtin-config.c
new file mode 100644
index 0000000..91fdc49
--- /dev/null
+++ b/builtin-config.c
@@ -0,0 +1,428 @@
+#include "builtin.h"
+#include "cache.h"
+#include "color.h"
+
+static const char git_config_set_usage[] =
+"git config [ --global | --system | [ -f | --file ] config-file ] [ --bool | --int | --bool-or-int ] [ -z | --null ] [--get | --get-all | --get-regexp | --replace-all | --add | --unset | --unset-all] name [value [value_regex]] | --rename-section old_name new_name | --remove-section name | --list | --get-color var [default] | --get-colorbool name [stdout-is-tty]";
+
+static char *key;
+static regex_t *key_regexp;
+static regex_t *regexp;
+static int show_keys;
+static int use_key_regexp;
+static int do_all;
+static int do_not_match;
+static int seen;
+static char delim = '=';
+static char key_delim = ' ';
+static char term = '\n';
+static enum { T_RAW, T_INT, T_BOOL, T_BOOL_OR_INT } type = T_RAW;
+
+static int show_all_config(const char *key_, const char *value_, void *cb)
+{
+ if (value_)
+ printf("%s%c%s%c", key_, delim, value_, term);
+ else
+ printf("%s%c", key_, term);
+ return 0;
+}
+
+static int show_config(const char* key_, const char* value_, void *cb)
+{
+ char value[256];
+ const char *vptr = value;
+ int dup_error = 0;
+
+ if (!use_key_regexp && strcmp(key_, key))
+ return 0;
+ if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
+ return 0;
+ if (regexp != NULL &&
+ (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
+ return 0;
+
+ if (show_keys) {
+ if (value_)
+ printf("%s%c", key_, key_delim);
+ else
+ printf("%s", key_);
+ }
+ if (seen && !do_all)
+ dup_error = 1;
+ if (type == T_INT)
+ sprintf(value, "%d", git_config_int(key_, value_?value_:""));
+ else if (type == T_BOOL)
+ vptr = git_config_bool(key_, value_) ? "true" : "false";
+ else if (type == T_BOOL_OR_INT) {
+ int is_bool, v;
+ v = git_config_bool_or_int(key_, value_, &is_bool);
+ if (is_bool)
+ vptr = v ? "true" : "false";
+ else
+ sprintf(value, "%d", v);
+ }
+ else
+ vptr = value_?value_:"";
+ seen++;
+ if (dup_error) {
+ error("More than one value for the key %s: %s",
+ key_, vptr);
+ }
+ else
+ printf("%s%c", vptr, term);
+
+ return 0;
+}
+
+static int get_value(const char* key_, const char* regex_)
+{
+ int ret = -1;
+ char *tl;
+ char *global = NULL, *repo_config = NULL;
+ const char *system_wide = NULL, *local;
+
+ local = config_exclusive_filename;
+ if (!local) {
+ const char *home = getenv("HOME");
+ local = repo_config = xstrdup(git_path("config"));
+ if (git_config_global() && home)
+ global = xstrdup(mkpath("%s/.gitconfig", home));
+ if (git_config_system())
+ system_wide = git_etc_gitconfig();
+ }
+
+ key = xstrdup(key_);
+ for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
+ *tl = tolower(*tl);
+ for (tl=key; *tl && *tl != '.'; ++tl)
+ *tl = tolower(*tl);
+
+ if (use_key_regexp) {
+ key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
+ if (regcomp(key_regexp, key, REG_EXTENDED)) {
+ fprintf(stderr, "Invalid key pattern: %s\n", key_);
+ goto free_strings;
+ }
+ }
+
+ if (regex_) {
+ if (regex_[0] == '!') {
+ do_not_match = 1;
+ regex_++;
+ }
+
+ regexp = (regex_t*)xmalloc(sizeof(regex_t));
+ if (regcomp(regexp, regex_, REG_EXTENDED)) {
+ fprintf(stderr, "Invalid pattern: %s\n", regex_);
+ goto free_strings;
+ }
+ }
+
+ if (do_all && system_wide)
+ git_config_from_file(show_config, system_wide, NULL);
+ if (do_all && global)
+ git_config_from_file(show_config, global, NULL);
+ git_config_from_file(show_config, local, NULL);
+ if (!do_all && !seen && global)
+ git_config_from_file(show_config, global, NULL);
+ if (!do_all && !seen && system_wide)
+ git_config_from_file(show_config, system_wide, NULL);
+
+ free(key);
+ if (regexp) {
+ regfree(regexp);
+ free(regexp);
+ }
+
+ if (do_all)
+ ret = !seen;
+ else
+ ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
+
+free_strings:
+ free(repo_config);
+ free(global);
+ return ret;
+}
+
+static char *normalize_value(const char *key, const char *value)
+{
+ char *normalized;
+
+ if (!value)
+ return NULL;
+
+ if (type == T_RAW)
+ normalized = xstrdup(value);
+ else {
+ normalized = xmalloc(64);
+ if (type == T_INT) {
+ int v = git_config_int(key, value);
+ sprintf(normalized, "%d", v);
+ }
+ else if (type == T_BOOL)
+ sprintf(normalized, "%s",
+ git_config_bool(key, value) ? "true" : "false");
+ else if (type == T_BOOL_OR_INT) {
+ int is_bool, v;
+ v = git_config_bool_or_int(key, value, &is_bool);
+ if (!is_bool)
+ sprintf(normalized, "%d", v);
+ else
+ sprintf(normalized, "%s", v ? "true" : "false");
+ }
+ }
+
+ return normalized;
+}
+
+static int get_color_found;
+static const char *get_color_slot;
+static char parsed_color[COLOR_MAXLEN];
+
+static int git_get_color_config(const char *var, const char *value, void *cb)
+{
+ if (!strcmp(var, get_color_slot)) {
+ if (!value)
+ config_error_nonbool(var);
+ color_parse(value, var, parsed_color);
+ get_color_found = 1;
+ }
+ return 0;
+}
+
+static int get_color(int argc, const char **argv)
+{
+ /*
+ * grab the color setting for the given slot from the configuration,
+ * or parse the default value if missing, and return ANSI color
+ * escape sequence.
+ *
+ * e.g.
+ * git config --get-color color.diff.whitespace "blue reverse"
+ */
+ const char *def_color = NULL;
+
+ switch (argc) {
+ default:
+ usage(git_config_set_usage);
+ case 2:
+ def_color = argv[1];
+ /* fallthru */
+ case 1:
+ get_color_slot = argv[0];
+ break;
+ }
+
+ get_color_found = 0;
+ parsed_color[0] = '\0';
+ git_config(git_get_color_config, NULL);
+
+ if (!get_color_found && def_color)
+ color_parse(def_color, "command line", parsed_color);
+
+ fputs(parsed_color, stdout);
+ return 0;
+}
+
+static int stdout_is_tty;
+static int get_colorbool_found;
+static int get_diff_color_found;
+static int git_get_colorbool_config(const char *var, const char *value,
+ void *cb)
+{
+ if (!strcmp(var, get_color_slot)) {
+ get_colorbool_found =
+ git_config_colorbool(var, value, stdout_is_tty);
+ }
+ if (!strcmp(var, "diff.color")) {
+ get_diff_color_found =
+ git_config_colorbool(var, value, stdout_is_tty);
+ }
+ if (!strcmp(var, "color.ui")) {
+ git_use_color_default = git_config_colorbool(var, value, stdout_is_tty);
+ return 0;
+ }
+ return 0;
+}
+
+static int get_colorbool(int argc, const char **argv)
+{
+ /*
+ * git config --get-colorbool <slot> [<stdout-is-tty>]
+ *
+ * returns "true" or "false" depending on how <slot>
+ * is configured.
+ */
+
+ if (argc == 2)
+ stdout_is_tty = git_config_bool("command line", argv[1]);
+ else if (argc == 1)
+ stdout_is_tty = isatty(1);
+ else
+ usage(git_config_set_usage);
+ get_colorbool_found = -1;
+ get_diff_color_found = -1;
+ get_color_slot = argv[0];
+ git_config(git_get_colorbool_config, NULL);
+
+ if (get_colorbool_found < 0) {
+ if (!strcmp(get_color_slot, "color.diff"))
+ get_colorbool_found = get_diff_color_found;
+ if (get_colorbool_found < 0)
+ get_colorbool_found = git_use_color_default;
+ }
+
+ if (argc == 1) {
+ return get_colorbool_found ? 0 : 1;
+ } else {
+ printf("%s\n", get_colorbool_found ? "true" : "false");
+ return 0;
+ }
+}
+
+int cmd_config(int argc, const char **argv, const char *prefix)
+{
+ int nongit;
+ char* value;
+ const char *file = setup_git_directory_gently(&nongit);
+
+ config_exclusive_filename = getenv(CONFIG_ENVIRONMENT);
+
+ while (1 < argc) {
+ if (!strcmp(argv[1], "--int"))
+ type = T_INT;
+ else if (!strcmp(argv[1], "--bool"))
+ type = T_BOOL;
+ else if (!strcmp(argv[1], "--bool-or-int"))
+ type = T_BOOL_OR_INT;
+ else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l")) {
+ if (argc != 2)
+ usage(git_config_set_usage);
+ if (git_config(show_all_config, NULL) < 0 &&
+ file && errno)
+ die("unable to read config file %s: %s", file,
+ strerror(errno));
+ return 0;
+ }
+ else if (!strcmp(argv[1], "--global")) {
+ char *home = getenv("HOME");
+ if (home) {
+ char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
+ config_exclusive_filename = user_config;
+ } else {
+ die("$HOME not set");
+ }
+ }
+ else if (!strcmp(argv[1], "--system"))
+ config_exclusive_filename = git_etc_gitconfig();
+ else if (!strcmp(argv[1], "--file") || !strcmp(argv[1], "-f")) {
+ if (argc < 3)
+ usage(git_config_set_usage);
+ if (!is_absolute_path(argv[2]) && file)
+ file = prefix_filename(file, strlen(file),
+ argv[2]);
+ else
+ file = argv[2];
+ config_exclusive_filename = file;
+ argc--;
+ argv++;
+ }
+ else if (!strcmp(argv[1], "--null") || !strcmp(argv[1], "-z")) {
+ term = '\0';
+ delim = '\n';
+ key_delim = '\n';
+ }
+ else if (!strcmp(argv[1], "--rename-section")) {
+ int ret;
+ if (argc != 4)
+ usage(git_config_set_usage);
+ ret = git_config_rename_section(argv[2], argv[3]);
+ if (ret < 0)
+ return ret;
+ if (ret == 0) {
+ fprintf(stderr, "No such section!\n");
+ return 1;
+ }
+ return 0;
+ }
+ else if (!strcmp(argv[1], "--remove-section")) {
+ int ret;
+ if (argc != 3)
+ usage(git_config_set_usage);
+ ret = git_config_rename_section(argv[2], NULL);
+ if (ret < 0)
+ return ret;
+ if (ret == 0) {
+ fprintf(stderr, "No such section!\n");
+ return 1;
+ }
+ return 0;
+ } else if (!strcmp(argv[1], "--get-color")) {
+ return get_color(argc-2, argv+2);
+ } else if (!strcmp(argv[1], "--get-colorbool")) {
+ return get_colorbool(argc-2, argv+2);
+ } else
+ break;
+ argc--;
+ argv++;
+ }
+
+ switch (argc) {
+ case 2:
+ return get_value(argv[1], NULL);
+ case 3:
+ if (!strcmp(argv[1], "--unset"))
+ return git_config_set(argv[2], NULL);
+ else if (!strcmp(argv[1], "--unset-all"))
+ return git_config_set_multivar(argv[2], NULL, NULL, 1);
+ else if (!strcmp(argv[1], "--get"))
+ return get_value(argv[2], NULL);
+ else if (!strcmp(argv[1], "--get-all")) {
+ do_all = 1;
+ return get_value(argv[2], NULL);
+ } else if (!strcmp(argv[1], "--get-regexp")) {
+ show_keys = 1;
+ use_key_regexp = 1;
+ do_all = 1;
+ return get_value(argv[2], NULL);
+ } else {
+ value = normalize_value(argv[1], argv[2]);
+ return git_config_set(argv[1], value);
+ }
+ case 4:
+ if (!strcmp(argv[1], "--unset"))
+ return git_config_set_multivar(argv[2], NULL, argv[3], 0);
+ else if (!strcmp(argv[1], "--unset-all"))
+ return git_config_set_multivar(argv[2], NULL, argv[3], 1);
+ else if (!strcmp(argv[1], "--get"))
+ return get_value(argv[2], argv[3]);
+ else if (!strcmp(argv[1], "--get-all")) {
+ do_all = 1;
+ return get_value(argv[2], argv[3]);
+ } else if (!strcmp(argv[1], "--get-regexp")) {
+ show_keys = 1;
+ use_key_regexp = 1;
+ do_all = 1;
+ return get_value(argv[2], argv[3]);
+ } else if (!strcmp(argv[1], "--add")) {
+ value = normalize_value(argv[2], argv[3]);
+ return git_config_set_multivar(argv[2], value, "^$", 0);
+ } else if (!strcmp(argv[1], "--replace-all")) {
+ value = normalize_value(argv[2], argv[3]);
+ return git_config_set_multivar(argv[2], value, NULL, 1);
+ } else {
+ value = normalize_value(argv[1], argv[2]);
+ return git_config_set_multivar(argv[1], value, argv[3], 0);
+ }
+ case 5:
+ if (!strcmp(argv[1], "--replace-all")) {
+ value = normalize_value(argv[2], argv[3]);
+ return git_config_set_multivar(argv[2], value, argv[4], 1);
+ }
+ case 1:
+ default:
+ usage(git_config_set_usage);
+ }
+ return 0;
+}
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