From 29877b7b775a0b7dc329c2fe191b8d04eb94aa54 Mon Sep 17 00:00:00 2001
From: June McEnroe <june@causal.agency>
Date: Wed, 6 Sep 2017 14:01:48 -0400
Subject: Move C code to bin, Makefile, AGPL

---
 home/.bin/watch.c | 100 ------------------------------------------------------
 1 file changed, 100 deletions(-)
 delete mode 100755 home/.bin/watch.c

(limited to 'home/.bin/watch.c')

diff --git a/home/.bin/watch.c b/home/.bin/watch.c
deleted file mode 100755
index 7720315b..00000000
--- a/home/.bin/watch.c
+++ /dev/null
@@ -1,100 +0,0 @@
-#if 0
-exec cc -Wall -Wextra -Wpedantic -o $(dirname $0)/watch $0
-#endif
-
-/*
- * Execute a command each time files change.
- *
- * Copyright (c) 2017, June McEnroe <programble@gmail.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <sys/types.h>
-
-#include <err.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <sys/event.h>
-#include <sys/wait.h>
-#include <sysexits.h>
-#include <unistd.h>
-
-static void watch(int kq, char *path) {
-    int fd = open(path, O_RDONLY);
-    if (fd < 0) err(EX_IOERR, "%s", path);
-
-    struct kevent event = {
-        .ident = fd,
-        .filter = EVFILT_VNODE,
-        .flags = EV_ADD | EV_CLEAR,
-        .fflags = NOTE_WRITE | NOTE_DELETE,
-        .udata = path,
-    };
-    int nevents = kevent(kq, &event, 1, NULL, 0, NULL);
-    if (nevents < 0) err(EX_IOERR, "kevent");
-}
-
-static void exec(char *const argv[]) {
-    pid_t pid = fork();
-    if (pid < 0) err(EX_OSERR, "fork");
-
-    if (!pid) {
-        execvp(argv[0], argv);
-        err(EX_OSERR, "%s", argv[0]);
-    }
-
-    int status;
-    pid = wait(&status);
-    if (pid < 0) err(EX_OSERR, "wait");
-
-    if (WIFEXITED(status)) {
-        warnx("exit %d", WEXITSTATUS(status));
-    } else if (WIFSIGNALED(status)) {
-        warnx("signal %d", WTERMSIG(status));
-    } else {
-        warnx("status %d", status);
-    }
-}
-
-int main(int argc, char *argv[]) {
-    if (argc < 3) return EX_USAGE;
-
-    int kq = kqueue();
-    if (kq < 0) err(EX_OSERR, "kqueue");
-
-    int index;
-    for (index = 1; index < argc - 1; ++index) {
-        if (argv[index][0] == '-') {
-            index++;
-            break;
-        }
-        watch(kq, argv[index]);
-    }
-
-    exec(&argv[index]);
-
-    for (;;) {
-        struct kevent event;
-        int nevents = kevent(kq, NULL, 0, &event, 1, NULL);
-        if (nevents < 0) err(EX_IOERR, "kevent");
-
-        if (event.fflags & NOTE_DELETE) {
-            close(event.ident);
-            watch(kq, event.udata);
-        }
-
-        exec(&argv[index]);
-    }
-}
-- 
cgit 1.4.1