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-rw-r--r--pager.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/pager.c b/pager.c
index a768797fcf..41446d4f05 100644
--- a/pager.c
+++ b/pager.c
@@ -100,6 +100,7 @@ void prepare_pager_args(struct child_process *pager_process, const char *pager)
argv_array_push(&pager_process->args, pager);
pager_process->use_shell = 1;
setup_pager_env(&pager_process->env_array);
+ pager_process->trace2_child_class = "pager";
}
void setup_pager(void)
@@ -177,6 +178,26 @@ int term_columns(void)
}
/*
+ * Clear the entire line, leave cursor in first column.
+ */
+void term_clear_line(void)
+{
+ if (is_terminal_dumb())
+ /*
+ * Fall back to print a terminal width worth of space
+ * characters (hoping that the terminal is still as wide
+ * as it was upon the first call to term_columns()).
+ */
+ fprintf(stderr, "\r%*s\r", term_columns(), "");
+ else
+ /*
+ * On non-dumb terminals use an escape sequence to clear
+ * the whole line, no matter how wide the terminal.
+ */
+ fputs("\r\033[K", stderr);
+}
+
+/*
* How many columns do we need to show this number in decimal?
*/
int decimal_width(uintmax_t number)