[gnome-builder/wip/gtk4-port] libide/threading: add helper to append argv with printf format

[Christian Hergert <chergert src gnome org>]

commit 6b026c5c12b7b3d7fdf184b5873436ef57e10a3e
Author: Christian Hergert <chergert redhat com>
Date:   Wed May 25 12:27:54 2022 -0700

    libide/threading: add helper to append argv with printf format

 src/libide/threading/ide-subprocess-launcher.c | 31 ++++++++++++++++++++++++++
 src/libide/threading/ide-subprocess-launcher.h |  4 ++++
 2 files changed, 35 insertions(+)
---
diff --git a/src/libide/threading/ide-subprocess-launcher.c b/src/libide/threading/ide-subprocess-launcher.c
index f73329e40..450182761 100644
--- a/src/libide/threading/ide-subprocess-launcher.c
+++ b/src/libide/threading/ide-subprocess-launcher.c
@@ -1225,3 +1225,34 @@ ide_subprocess_launcher_join_args_for_sh_c (IdeSubprocessLauncher *self,
   g_ptr_array_add (priv->argv, g_string_free (g_steal_pointer (&str), FALSE));
   g_ptr_array_add (priv->argv, NULL);
 }
+
+/**
+ * ide_subprocess_launcher_push_argv_format: (skip)
+ * @self: a #IdeSubprocessLauncher
+ * @format: a printf-style format string
+ *
+ * Convenience function which allows combining a g_strdup_printf() and
+ * call to ide_subprocess_launcher_push_argv() into one call.
+ *
+ * @format is used to build the argument string which is added using
+ * ide_subprocess_launcher_push_argv() and then freed.
+ */
+void
+ide_subprocess_launcher_push_argv_format (IdeSubprocessLauncher  *self,
+                                          const char             *format,
+                                          ...)
+{
+  g_autofree char *arg = NULL;
+  va_list args;
+
+  g_return_if_fail (IDE_IS_SUBPROCESS_LAUNCHER (self));
+  g_return_if_fail (format != NULL);
+
+  va_start (args, format);
+  arg = g_strdup_vprintf (format, args);
+  va_end (args);
+
+  g_return_if_fail (arg != NULL);
+
+  ide_subprocess_launcher_push_argv (self, arg);
+}
diff --git a/src/libide/threading/ide-subprocess-launcher.h b/src/libide/threading/ide-subprocess-launcher.h
index d674aaf1b..7aad02a34 100644
--- a/src/libide/threading/ide-subprocess-launcher.h
+++ b/src/libide/threading/ide-subprocess-launcher.h
@@ -112,6 +112,10 @@ void                   ide_subprocess_launcher_push_args            (IdeSubproce
 IDE_AVAILABLE_IN_3_32
 void                   ide_subprocess_launcher_push_argv            (IdeSubprocessLauncher  *self,
                                                                      const gchar            *argv);
+IDE_AVAILABLE_IN_ALL
+void                   ide_subprocess_launcher_push_argv_format     (IdeSubprocessLauncher  *self,
+                                                                     const char             *format,
+                                                                     ...) G_GNUC_PRINTF (2, 3);
 IDE_AVAILABLE_IN_3_32
 gchar                 *ide_subprocess_launcher_pop_argv             (IdeSubprocessLauncher  *self) 
G_GNUC_WARN_UNUSED_RESULT;
 IDE_AVAILABLE_IN_3_32