static int default_edit_option(void)
{
static const char name[] = "GIT_MERGE_AUTOEDIT";
const char *e = getenv(name);
struct stat st_stdin, st_stdout;
if (have_message)
/* an explicit -m msg without --[no-]edit */
return 0;
if (e) {
int v = git_config_maybe_bool(name, e);
if (v < 0)
die("Bad value '%s' in environment '%s'", e, name);
return v;
}
/* Use editor if stdin and stdout are the same and is a tty */
return (!fstat(0, &st_stdin) &&
!fstat(1, &st_stdout) &&
isatty(0) && isatty(1) &&
st_stdin.st_dev == st_stdout.st_dev &&
st_stdin.st_ino == st_stdout.st_ino &&
st_stdin.st_mode == st_stdout.st_mode);
}
static int parse_push_recurse(const char *opt, const char *arg,
int die_on_error)
{
switch (git_config_maybe_bool(opt, arg)) {
case 1:
/* There's no simple "on" value when pushing */
if (die_on_error)
die("bad %s argument: %s", opt, arg);
else
return RECURSE_SUBMODULES_ERROR;
case 0:
return RECURSE_SUBMODULES_OFF;
default:
if (!strcmp(arg, "on-demand"))
return RECURSE_SUBMODULES_ON_DEMAND;
else if (!strcmp(arg, "check"))
return RECURSE_SUBMODULES_CHECK;
else if (!strcmp(arg, "only"))
return RECURSE_SUBMODULES_ONLY;
else if (die_on_error)
die("bad %s argument: %s", opt, arg);
else
return RECURSE_SUBMODULES_ERROR;
}
}
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);
}
int parse_fetch_recurse_submodules_arg(const char *opt, const char *arg)
{
switch (git_config_maybe_bool(opt, arg)) {
case 1:
return RECURSE_SUBMODULES_ON;
case 0:
return RECURSE_SUBMODULES_OFF;
default:
if (!strcmp(arg, "on-demand"))
return RECURSE_SUBMODULES_ON_DEMAND;
die("bad %s argument: %s", opt, arg);
}
}
int parse_update_recurse_submodules_arg(const char *opt, const char *arg)
{
switch (git_config_maybe_bool(opt, arg)) {
case 1:
return RECURSE_SUBMODULES_ON;
case 0:
return RECURSE_SUBMODULES_OFF;
default:
if (!strcmp(arg, "checkout"))
return RECURSE_SUBMODULES_ON;
die("bad %s argument: %s", opt, arg);
}
}
static int pager_command_config(const char *var, const char *value, void *data)
{
struct pager_config *c = data;
if (!prefixcmp(var, "pager.") && !strcmp(var + 6, c->cmd)) {
int b = git_config_maybe_bool(var, value);
if (b >= 0)
c->want = b;
else {
c->want = 1;
c->value = xstrdup(value);
}
}
return 0;
}
static int parse_update_recurse(const char *opt, const char *arg,
int die_on_error)
{
switch (git_config_maybe_bool(opt, arg)) {
case 1:
return RECURSE_SUBMODULES_ON;
case 0:
return RECURSE_SUBMODULES_OFF;
default:
if (die_on_error)
die("bad %s argument: %s", opt, arg);
return RECURSE_SUBMODULES_ERROR;
}
}
static int parse_decoration_style(const char *var, const char *value)
{
switch (git_config_maybe_bool(var, value)) {
case 1:
return DECORATE_SHORT_REFS;
case 0:
return 0;
default:
break;
}
if (!strcmp(value, "full"))
return DECORATE_FULL_REFS;
else if (!strcmp(value, "short"))
return DECORATE_SHORT_REFS;
return -1;
}
static int git_merge_config(const char *k, const char *v, void *cb)
{
int status;
if (branch && starts_with(k, "branch.") &&
starts_with(k + 7, branch) &&
!strcmp(k + 7 + strlen(branch), ".mergeoptions")) {
free(branch_mergeoptions);
branch_mergeoptions = xstrdup(v);
return 0;
}
if (!strcmp(k, "merge.diffstat") || !strcmp(k, "merge.stat"))
show_diffstat = git_config_bool(k, v);
else if (!strcmp(k, "pull.twohead"))
return git_config_string(&pull_twohead, k, v);
else if (!strcmp(k, "pull.octopus"))
return git_config_string(&pull_octopus, k, v);
else if (!strcmp(k, "merge.renormalize"))
option_renormalize = git_config_bool(k, v);
else if (!strcmp(k, "merge.ff")) {
int boolval = git_config_maybe_bool(k, v);
if (0 <= boolval) {
fast_forward = boolval ? FF_ALLOW : FF_NO;
} else if (v && !strcmp(v, "only")) {
fast_forward = FF_ONLY;
} /* do not barf on values from future versions of git */
return 0;
} else if (!strcmp(k, "merge.defaulttoupstream")) {
default_to_upstream = git_config_bool(k, v);
return 0;
} else if (!strcmp(k, "merge.verifysignatures")) {
verify_signatures = git_config_bool(k, v);
return 0;
} else if (!strcmp(k, "commit.gpgsign")) {
sign_commit = git_config_bool(k, v) ? "" : NULL;
return 0;
}
status = fmt_merge_msg_config(k, v, cb);
if (status)
return status;
status = git_gpg_config(k, v, NULL);
if (status)
return status;
return git_diff_ui_config(k, v, cb);
}
static int pager_command_config(const char *var, const char *value, void *vdata)
{
struct pager_command_config_data *data = vdata;
const char *cmd;
if (skip_prefix(var, "pager.", &cmd) && !strcmp(cmd, data->cmd)) {
int b = git_config_maybe_bool(var, value);
if (b >= 0)
data->want = b;
else {
data->want = 1;
data->value = xstrdup(value);
}
}
return 0;
}
static int parse_fetch_recurse(const char *opt, const char *arg,
int die_on_error)
{
switch (git_config_maybe_bool(opt, arg)) {
case 1:
return RECURSE_SUBMODULES_ON;
case 0:
return RECURSE_SUBMODULES_OFF;
default:
if (!strcmp(arg, "on-demand"))
return RECURSE_SUBMODULES_ON_DEMAND;
if (die_on_error)
die("bad %s argument: %s", opt, arg);
else
return RECURSE_SUBMODULES_ERROR;
}
}
/**
* If pull.ff is unset, returns NULL. If pull.ff is "true", returns "--ff". If
* pull.ff is "false", returns "--no-ff". If pull.ff is "only", returns
* "--ff-only". Otherwise, if pull.ff is set to an invalid value, die with an
* error.
*/
static const char *config_get_ff(void)
{
const char *value;
if (git_config_get_value("pull.ff", &value))
return NULL;
switch (git_config_maybe_bool("pull.ff", value)) {
case 0:
return "--no-ff";
case 1:
return "--ff";
}
if (!strcmp(value, "only"))
return "--ff-only";
die(_("Invalid value for pull.ff: %s"), value);
}
/**
* Parses the value of --rebase. If value is a false value, returns
* REBASE_FALSE. If value is a true value, returns REBASE_TRUE. If value is
* "preserve", returns REBASE_PRESERVE. If value is a invalid value, dies with
* a fatal error if fatal is true, otherwise returns REBASE_INVALID.
*/
static enum rebase_type parse_config_rebase(const char *key, const char *value,
int fatal)
{
int v = git_config_maybe_bool("pull.rebase", value);
if (!v)
return REBASE_FALSE;
else if (v > 0)
return REBASE_TRUE;
else if (!strcmp(value, "preserve"))
return REBASE_PRESERVE;
if (fatal)
die(_("Invalid value for %s: %s"), key, value);
else
error(_("Invalid value for %s: %s"), key, value);
return REBASE_INVALID;
}
static int git_merge_config(const char *k, const char *v, void *cb)
{
int status;
if (branch && !prefixcmp(k, "branch.") &&
!prefixcmp(k + 7, branch) &&
!strcmp(k + 7 + strlen(branch), ".mergeoptions")) {
free(branch_mergeoptions);
branch_mergeoptions = xstrdup(v);
return 0;
}
if (!strcmp(k, "merge.diffstat") || !strcmp(k, "merge.stat"))
show_diffstat = git_config_bool(k, v);
else if (!strcmp(k, "pull.twohead"))
return git_config_string(&pull_twohead, k, v);
else if (!strcmp(k, "pull.octopus"))
return git_config_string(&pull_octopus, k, v);
else if (!strcmp(k, "merge.renormalize"))
option_renormalize = git_config_bool(k, v);
else if (!strcmp(k, "merge.ff")) {
int boolval = git_config_maybe_bool(k, v);
if (0 <= boolval) {
allow_fast_forward = boolval;
} else if (v && !strcmp(v, "only")) {
allow_fast_forward = 1;
fast_forward_only = 1;
} /* do not barf on values from future versions of git */
return 0;
} else if (!strcmp(k, "merge.defaulttoupstream")) {
default_to_upstream = git_config_bool(k, v);
return 0;
}
status = fmt_merge_msg_config(k, v, cb);
if (status)
return status;
status = git_gpg_config(k, v, NULL);
if (status)
return status;
return git_diff_ui_config(k, v, cb);
}
static int git_merge_config(const char *k, const char *v, void *cb)
{
if (branch && !prefixcmp(k, "branch.") &&
!prefixcmp(k + 7, branch) &&
!strcmp(k + 7 + strlen(branch), ".mergeoptions")) {
free(branch_mergeoptions);
branch_mergeoptions = xstrdup(v);
return 0;
}
if (!strcmp(k, "merge.diffstat") || !strcmp(k, "merge.stat"))
show_diffstat = git_config_bool(k, v);
else if (!strcmp(k, "pull.twohead"))
return git_config_string(&pull_twohead, k, v);
else if (!strcmp(k, "pull.octopus"))
return git_config_string(&pull_octopus, k, v);
else if (!strcmp(k, "merge.renormalize"))
option_renormalize = git_config_bool(k, v);
else if (!strcmp(k, "merge.log") || !strcmp(k, "merge.summary")) {
int is_bool;
shortlog_len = git_config_bool_or_int(k, v, &is_bool);
if (!is_bool && shortlog_len < 0)
return error(_("%s: negative length %s"), k, v);
if (is_bool && shortlog_len)
shortlog_len = DEFAULT_MERGE_LOG_LEN;
return 0;
} else if (!strcmp(k, "merge.ff")) {
int boolval = git_config_maybe_bool(k, v);
if (0 <= boolval) {
allow_fast_forward = boolval;
} else if (v && !strcmp(v, "only")) {
allow_fast_forward = 1;
fast_forward_only = 1;
} /* do not barf on values from future versions of git */
return 0;
} else if (!strcmp(k, "merge.defaulttoupstream")) {
default_to_upstream = git_config_bool(k, v);
return 0;
}
return git_diff_ui_config(k, v, cb);
}
static int git_push_config(const char *k, const char *v, void *cb)
{
int *flags = cb;
int status;
status = git_gpg_config(k, v, NULL);
if (status)
return status;
if (!strcmp(k, "push.followtags")) {
if (git_config_bool(k, v))
*flags |= TRANSPORT_PUSH_FOLLOW_TAGS;
else
*flags &= ~TRANSPORT_PUSH_FOLLOW_TAGS;
return 0;
} else if (!strcmp(k, "push.gpgsign")) {
const char *value;
if (!git_config_get_value("push.gpgsign", &value)) {
switch (git_config_maybe_bool("push.gpgsign", value)) {
case 0:
set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_NEVER);
break;
case 1:
set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_ALWAYS);
break;
default:
if (value && !strcasecmp(value, "if-asked"))
set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_IF_ASKED);
else
return error("Invalid value for '%s'", k);
}
}
} else if (!strcmp(k, "push.recursesubmodules")) {
const char *value;
if (!git_config_get_value("push.recursesubmodules", &value))
recurse_submodules = parse_push_recurse_submodules_arg(k, value);
}
return git_default_config(k, v, NULL);
}