minix/commands/pkg_install/create/perform.c

253 lines
5.7 KiB
C

/* $NetBSD: perform.c,v 1.26 2009/11/05 16:22:32 joerg Exp $ */
#if HAVE_CONFIG_H
#include "config.h"
#endif
#ifndef __minix
#include <nbcompat.h>
#endif
#if HAVE_SYS_CDEFS_H
#include <sys/cdefs.h>
#endif
#ifndef __minix
__RCSID("$NetBSD: perform.c,v 1.26 2009/11/05 16:22:32 joerg 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"
#if HAVE_ERR_H
#include <err.h>
#endif
#if HAVE_FCNTL_H
#include <fcntl.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
static void
sanity_check(void)
{
if (!Comment)
errx(2, "required package comment string is missing (-c comment)");
if (!Desc)
errx(2, "required package description string is missing (-d desc)");
if (!Contents)
errx(2, "required package contents list is missing (-f [-]file)");
}
static void
register_depends(package_t *plist, char *deps, int build_only)
{
char *cp;
if (Verbose && !PlistOnly) {
if (build_only)
printf("Registering build depends:");
else
printf("Registering depends:");
}
while (deps) {
cp = strsep(&deps, " \t\n");
if (*cp) {
char *best_installed;
best_installed = find_best_matching_installed_pkg(cp);
if (best_installed != NULL) {
add_plist(plist, PLIST_BLDDEP, best_installed);
if (Verbose && !PlistOnly && build_only)
printf(" %s", cp);
} else
warnx("No matching package installed for %s", cp);
free(best_installed);
if (!build_only) {
add_plist(plist, PLIST_PKGDEP, cp);
if (Verbose && !PlistOnly)
printf(" %s", cp);
}
}
}
if (Verbose && !PlistOnly)
printf(".\n");
}
/*
* Expect "fname" to point at a file, and read it into
* the buffer returned.
*/
static char *
fileGetContents(char *fname)
{
char *contents;
struct stat sb;
int fd;
if (stat(fname, &sb) == FAIL) {
errx(2, "can't stat '%s'", fname);
}
contents = xmalloc((size_t) (sb.st_size) + 1);
fd = open(fname, O_RDONLY, 0);
if (fd == FAIL) {
errx(2, "unable to open '%s' for reading", fname);
}
if (read(fd, contents, (size_t) sb.st_size) != (ssize_t) sb.st_size) {
#ifndef __minix
errx(2, "short read on '%s' - did not get %lld bytes",
fname, (long long) sb.st_size);
#else
errx(2, "short read on '%s' - did not get %ld bytes",
fname, (long) sb.st_size);
#endif
}
close(fd);
contents[(size_t) sb.st_size] = '\0';
return contents;
}
/*
* Get a string parameter as a file spec or as a "contents follow -" spec
*/
static void
get_dash_string(char **s)
{
if (**s == '-')
*s = xstrdup(*s + 1);
else
*s = fileGetContents(*s);
}
int
pkg_perform(const char *pkg)
{
char *cp;
FILE *pkg_in;
package_t plist;
const char *full_pkg, *suffix;
char *allocated_pkg;
int retval;
/* Break the package name into base and desired suffix (if any) */
if ((cp = strrchr(pkg, '.')) != NULL) {
allocated_pkg = xmalloc(cp - pkg + 1);
memcpy(allocated_pkg, pkg, cp - pkg);
allocated_pkg[cp - pkg] = '\0';
suffix = cp + 1;
full_pkg = pkg;
pkg = allocated_pkg;
} else {
allocated_pkg = NULL;
full_pkg = pkg;
suffix = "tgz";
}
/* Preliminary setup */
sanity_check();
if (Verbose && !PlistOnly)
printf("Creating package %s\n", pkg);
get_dash_string(&Comment);
get_dash_string(&Desc);
if (IS_STDIN(Contents))
pkg_in = stdin;
else {
pkg_in = fopen(Contents, "r");
if (!pkg_in)
errx(2, "unable to open contents file '%s' for input", Contents);
}
plist.head = plist.tail = NULL;
/* Stick the dependencies, if any, at the top */
if (Pkgdeps)
register_depends(&plist, Pkgdeps, 0);
/*
* Put the build dependencies after the dependencies.
* This works due to the evaluation order in pkg_add.
*/
if (BuildPkgdeps)
register_depends(&plist, BuildPkgdeps, 1);
/* Put the conflicts directly after the dependencies, if any */
if (Pkgcfl) {
if (Verbose && !PlistOnly)
printf("Registering conflicts:");
while (Pkgcfl) {
cp = strsep(&Pkgcfl, " \t\n");
if (*cp) {
add_plist(&plist, PLIST_PKGCFL, cp);
if (Verbose && !PlistOnly)
printf(" %s", cp);
}
}
if (Verbose && !PlistOnly)
printf(".\n");
}
/* Slurp in the packing list */
append_plist(&plist, pkg_in);
if (pkg_in != stdin)
fclose(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));
}
/* Make first "real contents" pass over it */
check_list(&plist, 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, realprefix);
retval = TRUE;
} else {
#ifdef BOOTSTRAP
warnx("Package building is not supported in bootstrap mode");
retval = FALSE;
#else
retval = pkg_build(pkg, full_pkg, suffix, &plist);
#endif
}
/* Cleanup */
free(Comment);
free(Desc);
free_plist(&plist);
free(allocated_pkg);
return retval;
}