treewide: shouldANSI() -> isTTY()

src/libcmd/markdown.cc

@@ -50,7 +50,7 @@ std::string renderMarkdownToTerminal(std::string_view markdown)
     if (!rndr_res)
         throw Error("allocation error while rendering Markdown");
 
-    return filterANSIEscapes(std::string(buf->data, buf->size), !shouldANSI());
+    return filterANSIEscapes(std::string(buf->data, buf->size), !isTTY());
 #else
     return std::string(markdown);
 #endif

src/libmain/progress-bar.cc

@@ -537,7 +537,7 @@ public:
 
 Logger * makeProgressBar()
 {
-    return new ProgressBar(shouldANSI());
+    return new ProgressBar(isTTY());
 }
 
 void startProgressBar()

src/libutil/logging.cc

@@ -52,7 +52,7 @@ public:
         : printBuildLogs(printBuildLogs)
     {
         systemd = getEnv("IN_SYSTEMD") == "1";
-        tty = shouldANSI();
+        tty = isTTY();
     }
 
     bool isVerbose() override {

src/libutil/terminal.cc

@@ -7,7 +7,7 @@
 
 namespace nix {
 
-bool shouldANSI()
+bool isTTY()
 {
     return isatty(STDERR_FILENO)
         && getEnv("TERM").value_or("dumb") != "dumb"

src/libutil/terminal.hh

@@ -8,7 +8,7 @@ namespace nix {
  * Determine whether ANSI escape sequences are appropriate for the
  * present output.
  */
-bool shouldANSI();
+bool isTTY();
 
 /**
  * Truncate a string to 'width' printable characters. If 'filterAll'

src/nix-env/nix-env.cc

@@ -1090,7 +1090,7 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
         return;
     }
 
-    bool tty = shouldANSI();
+    bool tty = isTTY();
     RunPager pager;
 
     Table table;

src/nix/main.cc

@@ -378,7 +378,7 @@ void mainWrapped(int argc, char * * argv)
     settings.verboseBuild = false;
 
     // If on a terminal, progress will be displayed via progress bars etc. (thus verbosity=notice)
-    if (nix::shouldANSI()) {
+    if (nix::isTTY()) {
         verbosity = lvlNotice;
     } else {
         verbosity = lvlInfo;

src/nix/prefetch.cc

@@ -189,7 +189,7 @@ static int main_nix_prefetch_url(int argc, char * * argv)
 
         Finally f([]() { stopProgressBar(); });
 
-        if (shouldANSI())
+        if (isTTY())
           startProgressBar();
 
         auto store = openStore();