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[PATCH] config: added --expiry-date type support




---
 builtin/config.c       | 11 ++++++++++-
 config.c               |  9 +++++++++
 config.h               |  1 +
 t/t1300-repo-config.sh | 25 +++++++++++++++++++++++++
 4 files changed, 45 insertions(+), 1 deletion(-)

diff --git a/builtin/config.c b/builtin/config.c
index d13daeeb55927..41cd9f5ca7cde 100644
--- a/builtin/config.c
+++ b/builtin/config.c
@@ -52,6 +52,7 @@ static int show_origin;
 #define TYPE_INT (1<<1)
 #define TYPE_BOOL_OR_INT (1<<2)
 #define TYPE_PATH (1<<3)
+#define TYPE_EXPIRY_DATE (1<<4)
 
 static struct option builtin_config_options[] = {
 	OPT_GROUP(N_("Config file location")),
@@ -80,6 +81,7 @@ static struct option builtin_config_options[] = {
 	OPT_BIT(0, "int", &types, N_("value is decimal number"), TYPE_INT),
 	OPT_BIT(0, "bool-or-int", &types, N_("value is --bool or --int"), TYPE_BOOL_OR_INT),
 	OPT_BIT(0, "path", &types, N_("value is a path (file or directory name)"), TYPE_PATH),
+	OPT_BIT(0, "expiry-date", &types, N_("value is an expiry date"), TYPE_EXPIRY_DATE),
 	OPT_GROUP(N_("Other")),
 	OPT_BOOL('z', "null", &end_null, N_("terminate values with NUL byte")),
 	OPT_BOOL(0, "name-only", &omit_values, N_("show variable names only")),
@@ -159,6 +161,12 @@ static int format_config(struct strbuf *buf, const char *key_, const char *value
 				return -1;
 			strbuf_addstr(buf, v);
 			free((char *)v);
+		} else if (types == TYPE_EXPIRY_DATE) {
+			timestamp_t *t = malloc(sizeof(*t));
+			if(git_config_expiry_date(&t, key_, value_) < 0)
+				return -1;
+			strbuf_addf(buf, "%"PRItime, *t);
+			free((timestamp_t *)t);
 		} else if (value_) {
 			strbuf_addstr(buf, value_);
 		} else {
@@ -273,12 +281,13 @@ static char *normalize_value(const char *key, const char *value)
 	if (!value)
 		return NULL;
 
-	if (types == 0 || types == TYPE_PATH)
+	if (types == 0 || types == TYPE_PATH || types == TYPE_EXPIRY_DATE)
 		/*
 		 * We don't do normalization for TYPE_PATH here: If
 		 * the path is like ~/foobar/, we prefer to store
 		 * "~/foobar/" in the config file, and to expand the ~
 		 * when retrieving the value.
+		 * Also don't do normalization for expiry dates.
 		 */
 		return xstrdup(value);
 	if (types == TYPE_INT)
diff --git a/config.c b/config.c
index 903abf9533b18..caa2fd5fb6915 100644
--- a/config.c
+++ b/config.c
@@ -990,6 +990,15 @@ int git_config_pathname(const char **dest, const char *var, const char *value)
 	return 0;
 }
 
+int git_config_expiry_date(timestamp_t **timestamp, const char *var, const char *value)
+{
+	if (!value)
+		return config_error_nonbool(var);
+	if (!!parse_expiry_date(value, *timestamp))
+		die(_("failed to parse date_string in: '%s'"), value);
+	return 0;
+}
+
 static int git_default_core_config(const char *var, const char *value)
 {
 	/* This needs a better name */
diff --git a/config.h b/config.h
index a49d264416225..2d127d9d23c90 100644
--- a/config.h
+++ b/config.h
@@ -58,6 +58,7 @@ extern int git_config_bool_or_int(const char *, const char *, int *);
 extern int git_config_bool(const char *, const char *);
 extern int git_config_string(const char **, const char *, const char *);
 extern int git_config_pathname(const char **, const char *, const char *);
+extern int git_config_expiry_date(timestamp_t **, const char *, const char *);
 extern int git_config_set_in_file_gently(const char *, const char *, const char *);
 extern void git_config_set_in_file(const char *, const char *, const char *);
 extern int git_config_set_gently(const char *, const char *);
diff --git a/t/t1300-repo-config.sh b/t/t1300-repo-config.sh
index 364a537000bbb..59a35be89e511 100755
--- a/t/t1300-repo-config.sh
+++ b/t/t1300-repo-config.sh
@@ -901,6 +901,31 @@ test_expect_success 'get --path barfs on boolean variable' '
 	test_must_fail git config --get --path path.bool
 '
 
+test_expect_success 'get --expiry-date' '
+	cat >.git/config <<-\EOF &&
+	[date]
+	valid1 = "Fri Jun 4 15:46:55 2010"
+	valid2 = "2017/11/11 11:11:11PM"
+	valid3 = "2017/11/10 09:08:07 PM"
+	valid4 = "never"
+	invalid1 = "abc"
+	EOF
+	cat >expect <<-\EOF &&
+	1275666415
+	1510441871
+	1510348087
+	0
+	EOF
+	{
+		git config --expiry-date date.valid1 &&
+		git config --expiry-date date.valid2 &&
+		git config --expiry-date date.valid3 &&
+		git config --expiry-date date.valid4
+	} >actual &&
+	test_cmp expect actual &&
+	test_must_fail git config --expiry-date date.invalid1
+'
+
 cat > expect << EOF
 [quote]
 	leading = " test"

--
https://github.com/git/git/pull/433