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diff -ruN a/config.def.h b/config.def.h
--- a/config.def.h 2026-05-20 12:03:30.597867999 +0200
+++ b/config.def.h 2026-05-20 12:03:30.597867999 +0200
@@ -3,3 +3,16 @@
/* progress bar glyphs (ASCII default) */
static const char *const BAR_FILL = ">";
static const char *const BAR_EMPTY = "-";
+
+/* desktop notification on countdown completion.
+ * Tokens are split on whitespace; placeholders {title} and {msg} are expanded.
+ * Set NULL or "" to disable.
+ */
+static const char *const TITLE = "Timer";
+static const char *const NOTIFY_CMD = "notify-send -u critical {title} {msg}";
+
+/* sound on countdown completion. If SOUND_CMD is "" the binary autodetects
+ * a player (paplay/aplay/mpv/ffplay) and plays a default freedesktop sound.
+ * SOUND_CMD is split on whitespace; same token rules as NOTIFY_CMD.
+ */
+static const char *const SOUND_CMD = "";
diff -ruN a/ttym.c b/ttym.c
--- a/ttym.c 2026-05-20 12:03:30.597867999 +0200
+++ b/ttym.c 2026-05-20 12:03:53.438340036 +0200
@@ -12,6 +12,7 @@
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
+#include <sys/wait.h>
#include <termios.h>
#include <time.h>
#include <unistd.h>
@@ -23,6 +24,10 @@
typedef struct {
int quiet; /* -q: suppress completion bell */
int silent; /* -s: no bell, no extras */
+ const char *title;
+ const char *notify_cmd;
+ const char *sound_cmd;
+ char msg[1024];
} Config;
static struct termios oldtios;
@@ -226,6 +231,142 @@
fflush(stdout);
}
+/* ===== subprocess + placeholder expansion =====
+ * Tokens split on whitespace; {title} and {msg} expanded within each token.
+ * No shell involved — argv stays argv.
+ */
+
+static int
+build_argv(const char *cmd, const Config *c, char ***out)
+{
+ char buf[2048];
+ snprintf(buf, sizeof(buf), "%s", cmd);
+ char **argv = calloc(64, sizeof(char *));
+ if (!argv) return -1;
+ int argc = 0;
+ char *p = buf;
+ while (*p && argc < 63) {
+ while (*p && isspace((unsigned char)*p)) p++;
+ if (!*p) break;
+ char *start = p;
+ while (*p && !isspace((unsigned char)*p)) p++;
+ if (*p) *p++ = '\0';
+ char tok[2048]; size_t oi = 0;
+ for (char *q = start; *q && oi < sizeof(tok) - 1; ) {
+ const char *sub = NULL; size_t skip = 0;
+ if (!strncmp(q, "{msg}", 5)) { sub = c->msg; skip = 5; }
+ else if (!strncmp(q, "{title}", 7)) { sub = c->title; skip = 7; }
+ if (sub) {
+ size_t sl = strlen(sub);
+ if (oi + sl >= sizeof(tok)) sl = sizeof(tok) - 1 - oi;
+ memcpy(tok + oi, sub, sl);
+ oi += sl; q += skip;
+ } else { tok[oi++] = *q++; }
+ }
+ tok[oi] = '\0';
+ argv[argc++] = strdup(tok);
+ }
+ argv[argc] = NULL;
+ *out = argv;
+ return argc;
+}
+
+static void
+free_argv(char **argv)
+{
+ if (!argv) return;
+ for (int i = 0; argv[i]; i++) free(argv[i]);
+ free(argv);
+}
+
+static void
+spawn_bg(char *const argv[])
+{
+ pid_t pid = fork();
+ if (pid == 0) {
+ setsid();
+ int devnull = open("/dev/null", O_RDWR);
+ if (devnull >= 0) {
+ dup2(devnull, 0); dup2(devnull, 1); dup2(devnull, 2);
+ if (devnull > 2) close(devnull);
+ }
+ execvp(argv[0], argv);
+ _exit(127);
+ }
+ (void)pid;
+}
+
+static int
+command_exists(const char *name)
+{
+ const char *path = getenv("PATH");
+ if (!path) return 0;
+ char buf[512];
+ const char *p = path;
+ while (*p) {
+ const char *e = strchr(p, ':');
+ size_t len = e ? (size_t)(e - p) : strlen(p);
+ if (len > 0 && len + strlen(name) + 2 < sizeof(buf)) {
+ snprintf(buf, sizeof(buf), "%.*s/%s", (int)len, p, name);
+ if (access(buf, X_OK) == 0) return 1;
+ }
+ if (!e) break;
+ p = e + 1;
+ }
+ return 0;
+}
+
+static const char *
+detect_sound_player(void)
+{
+ static const char *cands[] = { "paplay", "aplay", "mpv", "ffplay", NULL };
+ for (int i = 0; cands[i]; i++)
+ if (command_exists(cands[i])) return cands[i];
+ return NULL;
+}
+
+static const char *
+default_sound_path(void)
+{
+ static const char *paths[] = {
+ "/usr/share/sounds/freedesktop/stereo/complete.oga",
+ "/usr/share/sounds/freedesktop/stereo/alarm-clock-elapsed.oga",
+ "/usr/share/sounds/alsa/Front_Center.wav",
+ NULL
+ };
+ for (int i = 0; paths[i]; i++)
+ if (access(paths[i], R_OK) == 0) return paths[i];
+ return NULL;
+}
+
+static void
+notify_and_sound(const Config *c)
+{
+ if (c->notify_cmd && c->notify_cmd[0] && command_exists("notify-send")) {
+ char **a;
+ if (build_argv(c->notify_cmd, c, &a) > 0) {
+ spawn_bg(a);
+ free_argv(a);
+ }
+ }
+ if (!c->quiet) {
+ if (c->sound_cmd && c->sound_cmd[0]) {
+ char **a;
+ if (build_argv(c->sound_cmd, c, &a) > 0) {
+ spawn_bg(a);
+ free_argv(a);
+ }
+ } else {
+ const char *pl = detect_sound_player();
+ const char *sp = default_sound_path();
+ if (pl && sp) {
+ char *a[] = { (char *)pl, (char *)sp, NULL };
+ spawn_bg(a);
+ }
+ }
+ }
+}
+
/* ===== usage =====
* Patches MUST update this in lockstep with new flags so -h always
* reflects the build.
@@ -236,8 +377,8 @@
{
fprintf(f,
"usage:\n"
-" timer [FLAGS] DURATION countdown\n"
-" timer [FLAGS] stopwatch\n"
+" timer [FLAGS] DURATION [MESSAGE...] countdown\n"
+" timer [FLAGS] stopwatch\n"
"\n"
"DURATION: 25m | 90s | 2h | 1h30m | 01:30:00 | 25:00\n"
"FLAGS:\n"
@@ -370,6 +511,7 @@
printf("\r\033[32mDONE %s 100%%%*s\033[0m\n", tb, 20, "");
else
printf("DONE %s 100%%\n", tb);
+ if (!cfg->silent) notify_and_sound(cfg);
if (!cfg->silent && !cfg->quiet && out_tty) {
fputc('\a', stdout);
fflush(stdout);
@@ -387,6 +529,10 @@
main(int argc, char **argv)
{
Config cfg = {0};
+ cfg.title = TITLE;
+ cfg.notify_cmd = NOTIFY_CMD;
+ cfg.sound_cmd = SOUND_CMD;
+ snprintf(cfg.msg, sizeof(cfg.msg), "%s", "Time is up");
/* Pre-strip long-form flags before getopt. Stop at "--". */
int new_argc = 0;
@@ -424,6 +570,16 @@
free(new_argv);
return 1;
}
+ if (rem_argc > 1) {
+ size_t off = 0;
+ cfg.msg[0] = '\0';
+ for (int i = 1; i < rem_argc && off < sizeof(cfg.msg) - 2; i++) {
+ int n = snprintf(cfg.msg + off, sizeof(cfg.msg) - off,
+ "%s%s", (i > 1 ? " " : ""), rem_argv[i]);
+ if (n < 0) break;
+ off += (size_t)n;
+ }
+ }
}
int rc = run(total, stopwatch, &cfg);
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