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#ifndef lint
static const char *rcsid = "$Id: perform.c,v 1.31 1996/06/20 18:33:36 jkh Exp $";
#endif
/*
* FreeBSD install - a package for the installation and maintainance
* of non-core utilities.
*
* 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.
*
* Jordan K. Hubbard
* 18 July 1993
*
* This is the main body of the create module.
*
*/
#include "lib.h"
#include "create.h"
#include <errno.h>
#include <signal.h>
#include <sys/syslimits.h>
#include <sys/wait.h>
#include <unistd.h>
static void sanity_check(void);
static void make_dist(char *, char *, char *, Package *);
static char *home;
int
pkg_perform(char **pkgs)
{
char *pkg = *pkgs; /* Only one arg to create */
char *cp;
FILE *pkg_in, *fp;
Package plist;
char *suffix; /* What we tack on to the end of the finished package */
/* Preliminary setup */
sanity_check();
if (Verbose && !PlistOnly)
printf("Creating package %s\n", pkg);
get_dash_string(&Comment);
get_dash_string(&Desc);
if (!strcmp(Contents, "-"))
pkg_in = stdin;
else {
pkg_in = fopen(Contents, "r");
if (!pkg_in)
barf("Unable to open contents file '%s' for input.", Contents);
}
plist.head = plist.tail = NULL;
/* Break the package name into base and desired suffix (if any) */
if ((cp = rindex(pkg, '.')) != NULL) {
suffix = cp + 1;
*cp = '\0';
}
else
suffix = "tgz";
/* Stick the dependencies, if any, at the top */
if (Pkgdeps) {
if (Verbose && !PlistOnly)
printf("Registering depends:");
while (Pkgdeps) {
cp = strsep(&Pkgdeps, " \t\n");
if (*cp) {
add_plist(&plist, PLIST_PKGDEP, cp);
if (Verbose && !PlistOnly)
printf(" %s", cp);
}
}
if (Verbose && !PlistOnly)
printf(".\n");
}
/* Slurp in the packing list */
read_plist(&plist, pkg_in);
/* Prefix should override the packing list */
if (Prefix) {
delete_plist(&plist, FALSE, PLIST_CWD, NULL);
add_plist_top(&plist, PLIST_CWD, Prefix);
}
/*
* Run down the list and see if we've named it, if not stick in a name
* at the top.
*/
if (find_plist(&plist, PLIST_NAME) == NULL)
add_plist_top(&plist, PLIST_NAME, basename_of(pkg));
/*
* We're just here for to dump out a revised plist for the FreeBSD ports
* hack. It's not a real create in progress.
*/
if (PlistOnly) {
write_plist(&plist, stdout);
exit(0);
}
/* Make a directory to stomp around in */
home = make_playpen(PlayPen, 0);
signal(SIGINT, cleanup);
signal(SIGHUP, cleanup);
/* Make first "real contents" pass over it */
check_list(home, &plist);
(void) umask(022); /* make sure gen'ed directories, files don't have
group or other write bits. */
/* copy_plist(home, &plist); */
/* mark_plist(&plist); */
/* Now put the release specific items in */
add_plist(&plist, PLIST_CWD, ".");
write_file(COMMENT_FNAME, Comment);
add_plist(&plist, PLIST_IGNORE, NULL);
add_plist(&plist, PLIST_FILE, COMMENT_FNAME);
write_file(DESC_FNAME, Desc);
add_plist(&plist, PLIST_IGNORE, NULL);
add_plist(&plist, PLIST_FILE, DESC_FNAME);
if (Install) {
copy_file(home, Install, INSTALL_FNAME);
add_plist(&plist, PLIST_IGNORE, NULL);
add_plist(&plist, PLIST_FILE, INSTALL_FNAME);
}
if (DeInstall) {
copy_file(home, DeInstall, DEINSTALL_FNAME);
add_plist(&plist, PLIST_IGNORE, NULL);
add_plist(&plist, PLIST_FILE, DEINSTALL_FNAME);
}
if (Require) {
copy_file(home, Require, REQUIRE_FNAME);
add_plist(&plist, PLIST_IGNORE, NULL);
add_plist(&plist, PLIST_FILE, REQUIRE_FNAME);
}
if (Display) {
copy_file(home, Display, DISPLAY_FNAME);
add_plist(&plist, PLIST_IGNORE, NULL);
add_plist(&plist, PLIST_FILE, DISPLAY_FNAME);
add_plist(&plist, PLIST_DISPLAY, DISPLAY_FNAME);
}
if (Mtree) {
copy_file(home, Mtree, MTREE_FNAME);
add_plist(&plist, PLIST_IGNORE, NULL);
add_plist(&plist, PLIST_FILE, MTREE_FNAME);
add_plist(&plist, PLIST_MTREE, MTREE_FNAME);
}
/* Finally, write out the packing list */
fp = fopen(CONTENTS_FNAME, "w");
if (!fp)
barf("Can't open file %s for writing.", CONTENTS_FNAME);
write_plist(&plist, fp);
if (fclose(fp))
barf("Error while closing %s.", CONTENTS_FNAME);
/* And stick it into a tar ball */
make_dist(home, pkg, suffix, &plist);
/* Cleanup */
free(Comment);
free(Desc);
free_plist(&plist);
cleanup(0);
return TRUE; /* Success */
}
static void
make_dist(char *home, char *pkg, char *suffix, Package *plist)
{
char tball[FILENAME_MAX];
PackingList p;
int ret;
char *args[50]; /* Much more than enough. */
int nargs = 0;
int pipefds[2];
FILE *totar;
pid_t pid;
args[nargs++] = "tar"; /* argv[0] */
if (*pkg == '/')
snprintf(tball, FILENAME_MAX, "%s.%s", pkg, suffix);
else
snprintf(tball, FILENAME_MAX, "%s/%s.%s", home, pkg, suffix);
args[nargs++] = "-c";
args[nargs++] = "-f";
args[nargs++] = tball;
if (index(suffix, 'z')) /* Compress/gzip? */
args[nargs++] = "-z";
if (Dereference)
args[nargs++] = "-h";
if (ExcludeFrom) {
args[nargs++] = "-X";
args[nargs++] = ExcludeFrom;
}
args[nargs++] = "-T"; /* Take filenames from file instead of args. */
args[nargs++] = "-"; /* Use stdin for the file. */
args[nargs] = NULL;
if (Verbose)
printf("Creating gzip'd tar ball in '%s'\n", tball);
/* Set up a pipe for passing the filenames, and fork off a tar process. */
if (pipe(pipefds) == -1)
barf("Cannot create pipe: %s", strerror(errno));
if ((pid = fork()) == -1)
barf("Cannot fork process for tar: %s", strerror(errno));
if (pid == 0) { /* The child */
dup2(pipefds[0], 0);
close(pipefds[0]);
close(pipefds[1]);
execv("/usr/bin/tar", args);
barf("Failed to execute tar command: %s", strerror(errno));
}
/* Meanwhile, back in the parent process ... */
close(pipefds[0]);
if ((totar = fdopen(pipefds[1], "w")) == NULL)
barf("fdopen failed: %s", strerror(errno));
fprintf(totar, "%s\n", CONTENTS_FNAME);
fprintf(totar, "%s\n", COMMENT_FNAME);
fprintf(totar, "%s\n", DESC_FNAME);
if (Install)
fprintf(totar, "%s\n", INSTALL_FNAME);
if (DeInstall)
fprintf(totar, "%s\n", DEINSTALL_FNAME);
if (Require)
fprintf(totar, "%s\n", REQUIRE_FNAME);
if (Display)
fprintf(totar, "%s\n", DISPLAY_FNAME);
if (Mtree)
fprintf(totar, "%s\n", MTREE_FNAME);
for (p = plist->head; p; p = p->next) {
if (p->type == PLIST_FILE)
fprintf(totar, "%s\n", p->name);
else if (p->type == PLIST_CWD || p->type == PLIST_SRC)
fprintf(totar, "-C\n%s\n", p->name);
else if (p->type == PLIST_IGNORE)
p = p->next;
}
fclose(totar);
wait(&ret);
/* assume either signal or bad exit is enough for us */
if (ret)
barf("tar command failed with code %d", ret);
}
static void
sanity_check()
{
if (!Comment)
barf("Required package comment string is missing (-c comment).");
if (!Desc)
barf("Required package description string is missing (-d desc).");
if (!Contents)
barf("Required package contents list is missing (-f [-]file).");
}
/* Clean up those things that would otherwise hang around */
void
cleanup(int sig)
{
leave_playpen(home);
}
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