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/*
* Copyright (c) 2004 Peter Postma <peter@pointless.nl>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <err.h>
#include <dirent.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#define PKGSRCDIR "@PKGSRCDIR@"
static const char * const skip[] = {
".", "..", "CVS", "bootstrap", "doc", "distfiles",
"licenses", "mk", "packages", NULL
};
static void pkgclean(const char *, const char *);
static int checkskip(const struct dirent *);
int
main(int argc, char *argv[])
{
const char *path, *work = "work";
if ((path = getenv("PKGSRCDIR")) == NULL)
path = PKGSRCDIR;
if (argc > 1)
work = argv[1];
pkgclean(path, work);
return 0;
}
static void
pkgclean(const char *path, const char *work)
{
struct dirent **cat, **list;
int status, ncat, nlist, i, j;
char tmp[PATH_MAX];
struct stat sb;
pid_t pid;
if ((ncat = scandir(path, &cat, checkskip, alphasort)) < 0)
err(EXIT_FAILURE, "scandir: %s", path);
for (i = 0; i < ncat; i++) {
if (snprintf(tmp, sizeof(tmp), "%s/%s", path, cat[i]->d_name)
>= sizeof(tmp)) {
warnx("filename too long: %s", tmp);
continue;
}
if (stat(tmp, &sb) < 0 || !S_ISDIR(sb.st_mode))
continue;
if ((nlist = scandir(tmp, &list, checkskip, alphasort)) < 0) {
warn("scandir: %s", tmp);
continue;
}
for (j = 0; j < nlist; j++) {
if (snprintf(tmp, sizeof(tmp), "%s/%s/%s/%s", path,
cat[i]->d_name, list[j]->d_name, work) >= sizeof(tmp)) {
warnx("filename too long: %s", tmp);
continue;
}
if (stat(tmp, &sb) < 0 || !S_ISDIR(sb.st_mode))
continue;
(void)printf("Deleting %s\n", tmp);
pid = fork();
if (pid < 0) {
warn("fork");
continue;
} else if (pid == 0)
(void)execl("/bin/rm", "rm", "-rf", tmp, NULL);
if (waitpid(pid, &status, 0) == -1)
err(EXIT_FAILURE, "waitpid");
if (WEXITSTATUS(status))
warn("/bin/rm terminated abnormally");
free(list[j]);
}
free(cat[i]);
}
free(list);
free(cat);
}
static int
checkskip(const struct dirent *dp)
{
const char * const *p;
for (p = skip; *p != NULL; p++)
if (strcmp(dp->d_name, *p) == 0)
return 0;
return 1;
}
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