git@vger.kernel.org list mirror (unofficial, one of many)
 help / color / Atom feed
9025b863034f5a159cdbbd4d6b48e0539b23c86b blob 3531 bytes (raw)

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
 
#include "cache.h"
#include "config.h"
#include "dir.h"
#include "tr2_sysenv.h"

/*
 * Each entry represents a trace2 setting.
 * See Documentation/technical/api-trace2.txt
 */
struct tr2_sysenv_entry {
	const char *env_var_name;
	const char *git_config_name;

	char *value;
	unsigned int getenv_called : 1;
};

/*
 * This table must match "enum tr2_sysenv_variable" in tr2_sysenv.h.
 *
 * The strings in this table are constant and must match the published
 * config and environment variable names as described in the documentation.
 *
 * We do not define entries for the GIT_TR2_PARENT_* environment
 * variables because they are transient and used to pass information
 * from parent to child git processes, rather than settings.
 */
/* clang-format off */
static struct tr2_sysenv_entry tr2_sysenv_settings[] = {
	[TR2_SYSENV_CFG_PARAM]     = { "GIT_TR2_CONFIG_PARAMS",
				       "trace2.configparams" },

	[TR2_SYSENV_DST_DEBUG]     = { "GIT_TR2_DST_DEBUG",
				       "trace2.destinationdebug" },

	[TR2_SYSENV_NORMAL]        = { "GIT_TR2",
				       "trace2.normaltarget" },
	[TR2_SYSENV_NORMAL_BRIEF]  = { "GIT_TR2_BRIEF",
				       "trace2.normalbrief" },

	[TR2_SYSENV_EVENT]         = { "GIT_TR2_EVENT",
				       "trace2.eventtarget" },
	[TR2_SYSENV_EVENT_BRIEF]   = { "GIT_TR2_EVENT_BRIEF",
				       "trace2.eventbrief" },
	[TR2_SYSENV_EVENT_NESTING] = { "GIT_TR2_EVENT_NESTING",
				       "trace2.eventnesting" },

	[TR2_SYSENV_PERF]          = { "GIT_TR2_PERF",
				       "trace2.perftarget" },
	[TR2_SYSENV_PERF_BRIEF]    = { "GIT_TR2_PERF_BRIEF",
				       "trace2.perfbrief" },
};
/* clang-format on */

static int tr2_sysenv_cb(const char *key, const char *value, void *d)
{
	int k;

	if (!starts_with(key, "trace2."))
		return 0;

	for (k = 0; k < ARRAY_SIZE(tr2_sysenv_settings); k++) {
		if (!strcmp(key, tr2_sysenv_settings[k].git_config_name)) {
			free(tr2_sysenv_settings[k].value);
			tr2_sysenv_settings[k].value = xstrdup(value);
			return 0;
		}
	}

	return 0;
}

/*
 * Load Trace2 settings from the system config (usually "/etc/gitconfig"
 * unless we were built with a runtime-prefix).  These are intended to
 * define the default values for Trace2 as requested by the administrator.
 *
 * Then override with the Trace2 settings from the global config.
 */
void tr2_sysenv_load(void)
{
	if (ARRAY_SIZE(tr2_sysenv_settings) != TR2_SYSENV_MUST_BE_LAST)
		BUG("tr2_sysenv_settings size is wrong");

	read_very_early_config(tr2_sysenv_cb, NULL);
}

/*
 * Return the value for the requested Trace2 setting from these sources:
 * the system config, the global config, and the environment.
 */
const char *tr2_sysenv_get(enum tr2_sysenv_variable var)
{
	if (var >= TR2_SYSENV_MUST_BE_LAST)
		BUG("tr2_sysenv_get invalid var '%d'", var);

	if (!tr2_sysenv_settings[var].getenv_called) {
		const char *v = getenv(tr2_sysenv_settings[var].env_var_name);
		if (v && *v) {
			free(tr2_sysenv_settings[var].value);
			tr2_sysenv_settings[var].value = xstrdup(v);
		}
		tr2_sysenv_settings[var].getenv_called = 1;
	}

	return tr2_sysenv_settings[var].value;
}

/*
 * Return a friendly name for this setting that is suitable for printing
 * in an error messages.
 */
const char *tr2_sysenv_display_name(enum tr2_sysenv_variable var)
{
	if (var >= TR2_SYSENV_MUST_BE_LAST)
		BUG("tr2_sysenv_get invalid var '%d'", var);

	return tr2_sysenv_settings[var].env_var_name;
}

void tr2_sysenv_release(void)
{
	int k;

	for (k = 0; k < ARRAY_SIZE(tr2_sysenv_settings); k++)
		free(tr2_sysenv_settings[k].value);
}
debug log:

solving 9025b86303 ...
found 9025b86303 in https://80x24.org/mirrors/git.git

git@vger.kernel.org list mirror (unofficial, one of many)

Archives are clonable:
	git clone --mirror https://public-inbox.org/git
	git clone --mirror http://ou63pmih66umazou.onion/git
	git clone --mirror http://czquwvybam4bgbro.onion/git
	git clone --mirror http://hjrcffqmbrq6wope.onion/git

Newsgroups are available over NNTP:
	nntp://news.public-inbox.org/inbox.comp.version-control.git
	nntp://ou63pmih66umazou.onion/inbox.comp.version-control.git
	nntp://czquwvybam4bgbro.onion/inbox.comp.version-control.git
	nntp://hjrcffqmbrq6wope.onion/inbox.comp.version-control.git
	nntp://news.gmane.org/gmane.comp.version-control.git

 note: .onion URLs require Tor: https://www.torproject.org/

AGPL code for this site: git clone https://public-inbox.org/ public-inbox