t4006-diff-mode.sh: use the $( ... ) construct for command substitution

diff --git a/environment.c b/environment.c
index 4a3437d8a61256029655f25c76256f27a6189248..c3c860603da817b75d73bc446d03944e1963e874 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -45,7 +45,7 @@ const char *editor_program;
 const char *askpass_program;
 const char *excludes_file;
 enum auto_crlf auto_crlf = AUTO_CRLF_FALSE;
-int read_replace_refs = 1; /* NEEDSWORK: rename to use_replace_refs */
+int check_replace_refs = 1;
 enum eol core_eol = EOL_UNSET;
 enum safe_crlf safe_crlf = SAFE_CRLF_WARN;
 unsigned whitespace_rule_cfg = WS_DEFAULT_RULE;
@@ -147,7 +147,7 @@ static void setup_git_env(void)
        if (!git_graft_file)
                git_graft_file = git_pathdup("info/grafts");
        if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT))
-               read_replace_refs = 0;
+               check_replace_refs = 0;
        namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT));
        namespace_len = strlen(namespace);
        shallow_file = getenv(GIT_SHALLOW_FILE_ENVIRONMENT);