135 lines
3.0 KiB
C
135 lines
3.0 KiB
C
#define USE_THE_REPOSITORY_VARIABLE
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#include "git-compat-util.h"
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#include "config.h"
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#include "strbuf.h"
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#include "trace2.h"
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#include "trace2/tr2_cfg.h"
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#include "trace2/tr2_sysenv.h"
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#include "wildmatch.h"
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static struct string_list tr2_cfg_patterns = STRING_LIST_INIT_DUP;
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static int tr2_cfg_loaded;
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static struct string_list tr2_cfg_env_vars = STRING_LIST_INIT_DUP;
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static int tr2_cfg_env_vars_loaded;
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/*
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* Parse a string containing a comma-delimited list of config keys
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* or wildcard patterns into a string list.
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*/
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static size_t tr2_cfg_load_patterns(void)
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{
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const char *envvar;
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if (tr2_cfg_loaded)
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return tr2_cfg_patterns.nr;
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tr2_cfg_loaded = 1;
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envvar = tr2_sysenv_get(TR2_SYSENV_CFG_PARAM);
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if (!envvar || !*envvar)
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return tr2_cfg_patterns.nr;
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string_list_split_f(&tr2_cfg_patterns, envvar, ",", -1,
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STRING_LIST_SPLIT_TRIM);
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return tr2_cfg_patterns.nr;
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}
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void tr2_cfg_free_patterns(void)
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{
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if (tr2_cfg_patterns.nr)
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string_list_clear(&tr2_cfg_patterns, 0);
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tr2_cfg_loaded = 0;
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}
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/*
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* Parse a string containing a comma-delimited list of environment variable
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* names into a string list.
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*/
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static size_t tr2_load_env_vars(void)
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{
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const char *varlist;
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if (tr2_cfg_env_vars_loaded)
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return tr2_cfg_env_vars.nr;
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tr2_cfg_env_vars_loaded = 1;
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varlist = tr2_sysenv_get(TR2_SYSENV_ENV_VARS);
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if (!varlist || !*varlist)
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return tr2_cfg_env_vars.nr;
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string_list_split_f(&tr2_cfg_env_vars, varlist, ",", -1,
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STRING_LIST_SPLIT_TRIM);
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return tr2_cfg_env_vars.nr;
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}
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void tr2_cfg_free_env_vars(void)
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{
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if (tr2_cfg_env_vars.nr)
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string_list_clear(&tr2_cfg_env_vars, 0);
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tr2_cfg_env_vars_loaded = 0;
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}
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struct tr2_cfg_data {
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const char *file;
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int line;
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};
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/*
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* See if the given config key matches any of our patterns of interest.
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*/
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static int tr2_cfg_cb(const char *key, const char *value,
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const struct config_context *ctx, void *d)
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{
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struct string_list_item *item;
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struct tr2_cfg_data *data = (struct tr2_cfg_data *)d;
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for_each_string_list_item(item, &tr2_cfg_patterns) {
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int wm = wildmatch(item->string, key, WM_CASEFOLD);
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if (wm == WM_MATCH) {
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trace2_def_param_fl(data->file, data->line, key, value,
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ctx->kvi);
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return 0;
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}
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}
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return 0;
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}
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void tr2_cfg_list_config_fl(const char *file, int line)
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{
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struct tr2_cfg_data data = { file, line };
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if (tr2_cfg_load_patterns() > 0)
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read_early_config(the_repository, tr2_cfg_cb, &data);
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}
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void tr2_list_env_vars_fl(const char *file, int line)
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{
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struct key_value_info kvi = KVI_INIT;
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struct string_list_item *item;
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kvi_from_param(&kvi);
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if (tr2_load_env_vars() <= 0)
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return;
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for_each_string_list_item(item, &tr2_cfg_env_vars) {
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const char *val = getenv(item->string);
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if (val && *val)
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trace2_def_param_fl(file, line, item->string, val, &kvi);
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}
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}
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void tr2_cfg_set_fl(const char *file, int line, const char *key,
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const char *value)
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{
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struct key_value_info kvi = KVI_INIT;
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struct config_context ctx = {
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.kvi = &kvi,
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};
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struct tr2_cfg_data data = { file, line };
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if (tr2_cfg_load_patterns() > 0)
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tr2_cfg_cb(key, value, &ctx, &data);
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}
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