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-rw-r--r--editor.c33
1 files changed, 31 insertions, 2 deletions
diff --git a/editor.c b/editor.c
index 7519edecdc..9a9b4e12d1 100644
--- a/editor.c
+++ b/editor.c
@@ -7,11 +7,16 @@
#define DEFAULT_EDITOR "vi"
#endif
+int is_terminal_dumb(void)
+{
+ const char *terminal = getenv("TERM");
+ return !terminal || !strcmp(terminal, "dumb");
+}
+
const char *git_editor(void)
{
const char *editor = getenv("GIT_EDITOR");
- const char *terminal = getenv("TERM");
- int terminal_is_dumb = !terminal || !strcmp(terminal, "dumb");
+ int terminal_is_dumb = is_terminal_dumb();
if (!editor && editor_program)
editor = editor_program;
@@ -40,6 +45,23 @@ int launch_editor(const char *path, struct strbuf *buffer, const char *const *en
const char *args[] = { editor, real_path(path), NULL };
struct child_process p = CHILD_PROCESS_INIT;
int ret, sig;
+ int print_waiting_for_editor = advice_waiting_for_editor && isatty(2);
+
+ if (print_waiting_for_editor) {
+ /*
+ * A dumb terminal cannot erase the line later on. Add a
+ * newline to separate the hint from subsequent output.
+ *
+ * Make sure that our message is separated with a whitespace
+ * from further cruft that may be written by the editor.
+ */
+ const char term = is_terminal_dumb() ? '\n' : ' ';
+
+ fprintf(stderr,
+ _("hint: Waiting for your editor to close the file...%c"),
+ term);
+ fflush(stderr);
+ }
p.argv = args;
p.env = env;
@@ -58,6 +80,13 @@ int launch_editor(const char *path, struct strbuf *buffer, const char *const *en
if (ret)
return error("There was a problem with the editor '%s'.",
editor);
+
+ if (print_waiting_for_editor && !is_terminal_dumb())
+ /*
+ * Go back to the beginning and erase the entire line to
+ * avoid wasting the vertical space.
+ */
+ fputs("\r\033[K", stderr);
}
if (!buffer)