merge-recursive: check GIT_MERGE_VERBOSITY only once

Get rid of the duplicated getenv('GIT_MERGE_VERBOSITY') calls with the same constant string argument. This makes code more readable and prevents typo in the further development. Signed-off-by: Andrey Okoshkin <a.okoshkin@samsung.com> Reviewed-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Andrey Okoshkin committed Oct 31, 2017 at 12:09 UTC 804862209bcbc29f2e7850ecf29f17c1c1aaae6e
1 file changed +4 -3
merge-recursive.c
+4 -3
@@ -2162,6 +2162,7 @@ static void merge_recursive_config(struct merge_options *o)
2162
2163 void init_merge_options(struct merge_options *o)
2164 {
2165 + const char *merge_verbosity;
2166 memset(o, 0, sizeof(struct merge_options));
2167 o->verbosity = 2;
2168 o->buffer_output = 1;
@@ -2170,9 +2171,9 @@ void init_merge_options(struct merge_options *o)
2171 o->renormalize = 0;
2172 o->detect_rename = 1;
2173 merge_recursive_config(o);
2173 - if (getenv("GIT_MERGE_VERBOSITY"))
2174 - o->verbosity =
2175 - strtol(getenv("GIT_MERGE_VERBOSITY"), NULL, 10);
2174 + merge_verbosity = getenv("GIT_MERGE_VERBOSITY");
2175 + if (merge_verbosity)
2176 + o->verbosity = strtol(merge_verbosity, NULL, 10);
2177 if (o->verbosity >= 5)
2178 o->buffer_output = 0;
2179 strbuf_init(&o->obuf, 0);