#include "cache.h"
+#include <sys/select.h>
+
/*
* This is split up from the rest of git so that we might do
* something different on Windows, for example.
*/
-static void run_pager(void)
+static void run_pager(const char *pager)
{
- const char *prog = getenv("PAGER");
- if (!prog)
- prog = "less";
- setenv("LESS", "-S", 0);
- execlp(prog, prog, NULL);
+ /*
+ * Work around bug in "less" by not starting it until we
+ * have real input
+ */
+ fd_set in;
+
+ FD_ZERO(&in);
+ FD_SET(0, &in);
+ select(1, &in, NULL, &in, NULL);
+
+ execlp(pager, pager, NULL);
+ execl("/bin/sh", "sh", "-c", pager, NULL);
}
void setup_pager(void)
{
pid_t pid;
int fd[2];
+ const char *pager = getenv("GIT_PAGER");
if (!isatty(1))
return;
+ if (!pager)
+ pager = pager_program;
+ if (!pager)
+ pager = getenv("PAGER");
+ if (!pager)
+ pager = "less";
+ else if (!*pager || !strcmp(pager, "cat"))
+ return;
+
+ pager_in_use = 1; /* means we are emitting to terminal */
+
if (pipe(fd) < 0)
return;
pid = fork();
close(fd[0]);
close(fd[1]);
- run_pager();
+ setenv("LESS", "FRSX", 0);
+ run_pager(pager);
+ die("unable to execute pager '%s'", pager);
exit(255);
}