usr.sbin/installer/dfuibe_installer/fn_install.c

   1 /*
   2  * Copyright (c)2004 The DragonFly Project.  All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *
   8  *   Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  *
  11  *   Redistributions in binary form must reproduce the above copyright
  12  *   notice, this list of conditions and the following disclaimer in
  13  *   the documentation and/or other materials provided with the
  14  *   distribution.
  15  *
  16  *   Neither the name of the DragonFly Project nor the names of its
  17  *   contributors may be used to endorse or promote products derived
  18  *   from this software without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  23  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  24  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  25  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  26  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  27  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  29  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  31  * OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 /*
  35  * fn_install.c
  36  * Installer Function : Install OS Files.
  37  * $Id: fn_install.c,v 1.74 2006/04/18 19:43:48 joerg Exp $
  38  */
  39
  40 #include <libgen.h>
  41 #include <string.h>
  42
  43 #define SOURCES_CONF_FILE "usr/share/installer/sources.conf"
  44
  45 #ifdef ENABLE_NLS
  46 #include <libintl.h>
  47 #define _(String) gettext (String)
  48 #else
  49 #define _(String) (String)
  50 #endif
  51
  52 #include "libaura/mem.h"
  53 #include "libaura/buffer.h"
  54 #include "libaura/fspred.h"
  55
  56 #include "libdfui/dfui.h"
  57 #include "libdfui/system.h"
  58
  59 #include "libinstaller/commands.h"
  60 #include "libinstaller/confed.h"
  61 #include "libinstaller/diskutil.h"
  62 #include "libinstaller/functions.h"
  63 #include "libinstaller/uiutil.h"
  64
  65 #include "flow.h"
  66 #include "pathnames.h"
  67 #include "fn.h"
  68
  69 static const char *pfs_mountpt[8] = {"/var", "/tmp", "/usr", "/home",
  70         "/usr/obj", "/var/crash", "/var/tmp", NULL};
  71
  72 static const int pfs_nohistory[8] = {0, 1, 0, 0, 1, 1, 1};
  73
  74 static void
  75 handle_pfs(struct i_fn_args *a, struct commands *cmds)
  76 {
  77         int j;
  78
  79         /*
  80          * Create PFS root directory.
  81          */
  82         command_add(cmds, "%s%s -p %smnt/pfs",
  83             a->os_root, cmd_name(a, "MKDIR"),
  84             a->os_root);
  85
  86         for (j = 0; pfs_mountpt[j] != NULL; j++) {
  87                 /*
  88                  * We have a PFS for a subdirectory, e.g. /var/crash, so we
  89                  * need to create /pfs/var.crash
  90                  */
  91                 if (rindex(pfs_mountpt[j]+1, '/') != NULL) {
  92                         command_add(cmds, "%s%s pfs-master %smnt/pfs%s.%s",
  93                             a->os_root, cmd_name(a, "HAMMER"),
  94                             a->os_root, dirname(pfs_mountpt[j]),
  95                             basename(pfs_mountpt[j]));
  96                         command_add(cmds, "%s%s -p %smnt%s",
  97                             a->os_root, cmd_name(a, "MKDIR"),
  98                             a->os_root, pfs_mountpt[j]);
  99                         command_add(cmds, "%s%s %smnt/pfs%s.%s %smnt%s",
 100                             a->os_root, cmd_name(a, "MOUNT_NULL"),
 101                             a->os_root, dirname(pfs_mountpt[j]),
 102                             basename(pfs_mountpt[j]),
 103                             a->os_root, pfs_mountpt[j]);
 104                 } else {
 105                         command_add(cmds, "%s%s pfs-master %smnt/pfs%s",
 106                             a->os_root, cmd_name(a, "HAMMER"),
 107                             a->os_root, pfs_mountpt[j]);
 108                         command_add(cmds, "%s%s -p %smnt%s",
 109                             a->os_root, cmd_name(a, "MKDIR"),
 110                             a->os_root, pfs_mountpt[j]);
 111                         command_add(cmds, "%s%s %smnt/pfs%s %smnt%s",
 112                             a->os_root, cmd_name(a, "MOUNT_NULL"),
 113                             a->os_root, pfs_mountpt[j],
 114                             a->os_root, pfs_mountpt[j]);
 115                 }
 116         }
 117 }
 118
 119 /*
 120  * fn_install_os: actually put DragonFly on a disk.
 121  */
 122 void
 123 fn_install_os(struct i_fn_args *a)
 124 {
 125         struct subpartition *sp;
 126         struct commands *cmds;
 127         struct command *cmd;
 128         int i, seen_it, prefix, j;
 129         FILE *sources_conf;
 130         char line[256];
 131         char cp_src[64][256];
 132         char file_path[256];
 133         char *string;
 134         int lines = 0;
 135
 136         /*
 137          * Read SOURCES_CONF_FILE and populate our copy sources.
 138          */
 139         snprintf(file_path, 256, "%s%s", a->os_root, SOURCES_CONF_FILE);
 140         sources_conf = fopen(file_path, "r");
 141         i_log(a, "Reading %s", file_path);
 142         while(fgets(line, 256, sources_conf) != NULL && lines < 63) {
 143                 if(strlen(line)>0)
 144                         line[strlen(line)-1] = '\0';
 145                 strlcpy(cp_src[lines], line, 256);
 146                 i_log(a,"Adding %s to copy source table.", cp_src[lines]);
 147                 lines++;
 148         }
 149         i_log(a,"Added %i total items to copy source table.", lines);
 150         strcpy(cp_src[lines], "");
 151         fclose(sources_conf);
 152
 153         cmds = commands_new();
 154
 155         /*
 156          * If swap isn't mounted yet, mount it.
 157          */
 158         if (measure_activated_swap(a) == 0) {
 159                 for (sp = slice_subpartition_first(storage_get_selected_slice(a->s));
 160                     sp != NULL; sp = subpartition_next(sp)) {
 161                         if (!subpartition_is_swap(sp))
 162                                 continue;
 163                         command_add(cmds, "%s%s %sdev/%s",
 164                             a->os_root,
 165                             cmd_name(a, "SWAPON"),
 166                             a->os_root,
 167                             subpartition_get_device_name(sp));
 168                 }
 169         }
 170
 171         /*
 172          * Unmount anything already mounted on /mnt.
 173          */
 174         unmount_all_under(a, cmds, "%smnt", a->os_root);
 175
 176         for (sp = slice_subpartition_first(storage_get_selected_slice(a->s));
 177              sp != NULL; sp = subpartition_next(sp)) {
 178                 if (strcmp(subpartition_get_mountpoint(sp), "/") == 0) {
 179                         if (use_hammer == 1) {
 180                                 command_add(cmds, "%s%s %sdev/%s %smnt%s",
 181                                     a->os_root, cmd_name(a, "MOUNT_HAMMER"),
 182                                     a->os_root,
 183                                     subpartition_get_device_name(sp),
 184                                     a->os_root,
 185                                     subpartition_get_mountpoint(sp));
 186                         } else {
 187                                 command_add(cmds, "%s%s %sdev/%s %smnt%s",
 188                                     a->os_root, cmd_name(a, "MOUNT"),
 189                                     a->os_root,
 190                                     subpartition_get_device_name(sp),
 191                                     a->os_root,
 192                                     subpartition_get_mountpoint(sp));
 193                         }
 194                 }
 195         }
 196
 197         /*
 198          * Create mount points and mount subpartitions on them.
 199          */
 200         for (sp = slice_subpartition_first(storage_get_selected_slice(a->s));
 201              sp != NULL; sp = subpartition_next(sp)) {
 202                 if (subpartition_is_swap(sp)) {
 203                         /*
 204                          * Set this subpartition as the dump device.
 205                          */
 206                         if (subpartition_get_capacity(sp) < storage_get_memsize(a->s))
 207                                 continue;
 208
 209                         command_add(cmds, "%s%s -v %sdev/%s",
 210                             a->os_root, cmd_name(a, "DUMPON"),
 211                             a->os_root,
 212                             subpartition_get_device_name(sp));
 213
 214                         asprintf(&string, "/dev/%s",
 215                             subpartition_get_device_name(sp));
 216                         config_var_set(rc_conf, "dumpdev", string);
 217                         free(string);
 218                         continue;
 219                 }
 220
 221                 if (use_hammer == 0) {
 222                         /* / is already mounted */
 223                         if (strcmp(subpartition_get_mountpoint(sp), "/") != 0) {
 224                                 command_add(cmds, "%s%s -p %smnt%s",
 225                                     a->os_root, cmd_name(a, "MKDIR"),
 226                                     a->os_root,
 227                                     subpartition_get_mountpoint(sp));
 228                                 /* Don't mount it if it's TMPFS-backed. */
 229                                 if (subpartition_is_tmpfsbacked(sp))
 230                                         continue;
 231                                 command_add(cmds, "%s%s %sdev/%s %smnt%s",
 232                                     a->os_root, cmd_name(a, "MOUNT"),
 233                                     a->os_root,
 234                                     subpartition_get_device_name(sp),
 235                                     a->os_root,
 236                                     subpartition_get_mountpoint(sp));
 237                         }
 238                 } else if (strcmp(subpartition_get_mountpoint(sp), "/boot") == 0) {
 239                         command_add(cmds, "%s%s -p %smnt%s",
 240                             a->os_root, cmd_name(a, "MKDIR"),
 241                             a->os_root,
 242                             subpartition_get_mountpoint(sp));
 243                         command_add(cmds, "%s%s %sdev/%s %smnt%s",
 244                             a->os_root, cmd_name(a, "MOUNT"),
 245                             a->os_root,
 246                             subpartition_get_device_name(sp),
 247                             a->os_root,
 248                             subpartition_get_mountpoint(sp));
 249                 }
 250         }
 251
 252         /*
 253          * Take care of HAMMER PFS.
 254          */
 255         if (use_hammer == 1)
 256                 handle_pfs(a, cmds);
 257
 258         /*
 259          * Actually copy files now.
 260          */
 261
 262         for (i = 0; cp_src[i] != NULL && cp_src[i][0] != '\0'; i++) {
 263                 char *src, *dest, *dn, *tmp_dest;
 264
 265                 dest = cp_src[i];
 266
 267                 /*
 268                  * If dest would be on an TMPFS-backed
 269                  * mountpoint, don't bother copying it.
 270                  */
 271                 sp = subpartition_of(storage_get_selected_slice(a->s),
 272                                      "%s%s", a->os_root, &dest[1]);
 273                 if (sp != NULL && subpartition_is_tmpfsbacked(sp)) {
 274                         continue;
 275                 }
 276
 277                 /*
 278                  * Create intermediate directories, if needed.
 279                  */
 280                 tmp_dest = aura_strdup(dest);
 281                 dn = dirname(tmp_dest);
 282                 if (is_dir("%s%s", a->os_root, &dn[1]) &&
 283                     !is_dir("%smnt%s", a->os_root, dn)) {
 284                         command_add(cmds, "%s%s -p %smnt%s",
 285                             a->os_root, cmd_name(a, "MKDIR"),
 286                             a->os_root, dn);
 287                 }
 288                 aura_free(tmp_dest, "directory name");
 289
 290                 /*
 291                  * If a directory by the same name but with the suffix
 292                  * ".hdd" exists on the installation media, cpdup that
 293                  * instead.  This is particularly useful with /etc, which
 294                  * may have significantly different behaviour on the
 295                  * live CD compared to a standard HDD boot.
 296                  */
 297                 if (is_dir("%s%s.hdd", a->os_root, &dest[1]))
 298                         asprintf(&src, "%s.hdd", &dest[1]);
 299                 else
 300                         asprintf(&src, "%s", &dest[1]);
 301
 302                 if (is_dir("%s%s", a->os_root, src) || is_file("%s%s", a->os_root, src)) {
 303                         /*
 304                          * Cpdup the chosen file or directory onto the HDD.
 305                          * if it exists on the source.
 306                          */
 307                         cmd = command_add(cmds, "%s%s %s%s %smnt%s",
 308                             a->os_root, cmd_name(a, "CPDUP"),
 309                             a->os_root, src,
 310                             a->os_root, dest);
 311                         command_set_log_mode(cmd, COMMAND_LOG_QUIET);
 312                 }
 313         }
 314
 315         /*
 316          * Now, because cpdup does not cross mount points,
 317          * we must copy anything that the user might've made a
 318          * seperate mount point for (e.g. /usr/libdata/lint.)
 319          */
 320         for (sp = slice_subpartition_first(storage_get_selected_slice(a->s));
 321              sp != NULL; sp = subpartition_next(sp)) {
 322                 /*
 323                  * If the subpartition is a swap subpartition or an
 324                  * TMPFS-backed mountpoint, don't try to copy anything
 325                  * into it.
 326                  */
 327                 if (subpartition_is_swap(sp) || subpartition_is_tmpfsbacked(sp))
 328                         continue;
 329
 330                 /*
 331                  * If the mountpoint doesn't even exist on the installation
 332                  * medium, don't try to copy anything from it!  We assume
 333                  * it's an empty subpartition for the user's needs.
 334                  */
 335                 if (!is_dir("%s%s", a->os_root, &subpartition_get_mountpoint(sp)[1]))
 336                         continue;
 337
 338                 /*
 339                  * Don't bother copying the mountpoint IF:
 340                  * - we've already said to copy it, or something besides it
 341                  *   (it's a prefix of something in cp_src); or
 342                  * - we haven't said to copy it
 343                  *   (nothing in cp_src is a prefix of it.)
 344                  */
 345                 seen_it = 0;
 346                 prefix = 0;
 347                 for (i = 0; cp_src[i] != NULL && cp_src[i][0] != '\0'; i++) {
 348                         if (strncmp(subpartition_get_mountpoint(sp), cp_src[i],
 349                             strlen(subpartition_get_mountpoint(sp))) == 0) {
 350                                 seen_it = 1;
 351                                 break;
 352                         }
 353                         if (strncmp(cp_src[i], subpartition_get_mountpoint(sp),
 354                             strlen(cp_src[i])) == 0) {
 355                                 prefix = 1;
 356                         }
 357                 }
 358                 if (seen_it || !prefix)
 359                         continue;
 360
 361                 /*
 362                  * Otherwise, cpdup the subpartition.
 363                  *
 364                  * XXX check for .hdd-extended source dirs here, too,
 365                  * eventually - but for now, /etc.hdd will never be
 366                  * the kind of tricky sub-mount-within-a-mount-point
 367                  * that this part of the code is meant to handle.
 368                  */
 369                 cmd = command_add(cmds, "%s%s %s%s %smnt%s",
 370                     a->os_root, cmd_name(a, "CPDUP"),
 371                     a->os_root, &subpartition_get_mountpoint(sp)[1],
 372                     a->os_root, subpartition_get_mountpoint(sp));
 373                 command_set_log_mode(cmd, COMMAND_LOG_QUIET);
 374         }
 375
 376         /*
 377          * Create symlinks.
 378          */
 379
 380         /* Take care of /sys. */
 381         command_add(cmds, "%s%s -s usr/src/sys %smnt/sys",
 382             a->os_root, cmd_name(a, "LN"), a->os_root);
 383
 384         /*
 385          * If the user has both /var and /tmp subpartitions,
 386          * symlink /var/tmp to /tmp.
 387          */
 388         if (subpartition_find(storage_get_selected_slice(a->s), "/tmp") != NULL &&
 389             subpartition_find(storage_get_selected_slice(a->s), "/var") != NULL) {
 390                 command_add(cmds, "%s%s 1777 %smnt/tmp",
 391                     a->os_root, cmd_name(a, "CHMOD"), a->os_root);
 392                 command_add(cmds, "%s%s -rf %smnt/var/tmp",
 393                     a->os_root, cmd_name(a, "RM"), a->os_root);
 394                 command_add(cmds, "%s%s -s /tmp %smnt/var/tmp",
 395                     a->os_root, cmd_name(a, "LN"), a->os_root);
 396         }
 397
 398         /*
 399          * If the user has /var, but no /tmp,
 400          * symlink /tmp to /var/tmp.
 401          */
 402         if (subpartition_find(storage_get_selected_slice(a->s), "/tmp") == NULL &&
 403             subpartition_find(storage_get_selected_slice(a->s), "/var") != NULL) {
 404                 command_add(cmds, "%s%s -rf %smnt/tmp",
 405                     a->os_root, cmd_name(a, "RM"), a->os_root);
 406                 command_add(cmds, "%s%s -s /var/tmp %smnt/tmp",
 407                     a->os_root, cmd_name(a, "LN"), a->os_root);
 408         }
 409
 410         /*
 411          * If the user has /usr, but no /home,
 412          * symlink /home to /usr/home.
 413          */
 414         if (subpartition_find(storage_get_selected_slice(a->s), "/home") == NULL &&
 415             subpartition_find(storage_get_selected_slice(a->s), "/usr") != NULL) {
 416                 command_add(cmds, "%s%s -rf %smnt/home",
 417                     a->os_root, cmd_name(a, "RM"), a->os_root);
 418                 command_add(cmds, "%s%s %smnt/usr/home",
 419                     a->os_root, cmd_name(a, "MKDIR"), a->os_root);
 420                 command_add(cmds, "%s%s -s /usr/home %smnt/home",
 421                     a->os_root, cmd_name(a, "LN"), a->os_root);
 422         }
 423
 424         /*
 425          * XXX check for other possible combinations too?
 426          */
 427
 428         /*
 429          * Clean up.  In case some file didn't make it, use rm -f
 430          */
 431         command_add(cmds, "%s%s -f %smnt/boot/loader.conf",
 432             a->os_root, cmd_name(a, "RM"), a->os_root);
 433         command_add(cmds, "%s%s -f %smnt/tmp/install.log",
 434             a->os_root, cmd_name(a, "RM"), a->os_root);
 435
 436         /*
 437          * Copy pristine versions over any files we might have installed.
 438          * This allows the resulting file tree to be customized.
 439          */
 440         for (i = 0; cp_src[i] != NULL && cp_src[i][0] != '\0'; i++) {
 441                 char *src, *dest, *dn, *tmp_dest;
 442
 443                 src = cp_src[i];
 444                 dest = cp_src[i];
 445
 446                 /*
 447                  * Get the directory that the desired thing to
 448                  * copy resides in.
 449                  */
 450                 tmp_dest = aura_strdup(dest);
 451                 dn = dirname(tmp_dest);
 452
 453                 /*
 454                  * If this dir doesn't exist in PRISTINE_DIR
 455                  * on the install media, just skip it.
 456                  */
 457                 if (!is_dir("%s%s%s", a->os_root, PRISTINE_DIR, dn)) {
 458                         aura_free(tmp_dest, _("directory name"));
 459                         continue;
 460                 }
 461
 462                 /*
 463                  * Create intermediate directories, if needed.
 464                  */
 465                 if (!is_dir("%smnt%s", a->os_root, dn)) {
 466                         command_add(cmds, "%s%s -p %smnt%s",
 467                             a->os_root, cmd_name(a, "MKDIR"),
 468                             a->os_root, dn);
 469                 }
 470                 aura_free(tmp_dest, "directory name");
 471
 472                 /*
 473                  * Cpdup the chosen file or directory onto the HDD.
 474                  */
 475                 cmd = command_add(cmds, "%s%s %s%s %smnt%s",
 476                     a->os_root, cmd_name(a, "CPDUP"),
 477                     a->os_root, src,
 478                     a->os_root, dest);
 479
 480                 cmd = command_add(cmds,
 481                     "%s%s %s%s%s %smnt%s",
 482                     a->os_root, cmd_name(a, "CPDUP"),
 483                     a->os_root, PRISTINE_DIR, src,
 484                     a->os_root, dest);
 485                 command_set_log_mode(cmd, COMMAND_LOG_QUIET);
 486         }
 487
 488         /*
 489          * Rebuild the user database, to get rid of any extra users
 490          * from the LiveCD that aren't supposed to be installed
 491          * (copying a pristine master.passwd isn't enough.)
 492          */
 493         command_add(cmds, "%s%s -p -d %smnt/etc %smnt/etc/master.passwd",
 494             a->os_root, cmd_name(a, "PWD_MKDB"), a->os_root, a->os_root);
 495
 496         /* Create missing directories. */
 497         command_add(cmds, "%s%s %smnt/proc",
 498             a->os_root, cmd_name(a, "MKDIR"), a->os_root);
 499         command_add(cmds, "%s%s %smnt/mnt",
 500             a->os_root, cmd_name(a, "MKDIR"), a->os_root);
 501
 502         /* Write new fstab. */
 503         command_add(cmds, "%s%s '%s' >%smnt/etc/fstab",
 504             a->os_root, cmd_name(a, "ECHO"),
 505             "# Device\t\tMountpoint\tFStype\tOptions\t\tDump\tPass#",
 506             a->os_root);
 507
 508         for (sp = slice_subpartition_first(storage_get_selected_slice(a->s));
 509              sp != NULL; sp = subpartition_next(sp)) {
 510                 if (strcmp(subpartition_get_mountpoint(sp), "swap") == 0) {
 511                         command_add(cmds, "%s%s '/dev/%s\t\tnone\t\tswap\tsw\t\t0\t0' >>%smnt/etc/fstab",
 512                             a->os_root, cmd_name(a, "ECHO"),
 513                             subpartition_get_device_name(sp),
 514                             a->os_root);
 515                 } else if (use_hammer == 0) {
 516                         if (strcmp(subpartition_get_mountpoint(sp), "/") == 0) {
 517                                 command_add(cmds, "%s%s '/dev/%s\t\t%s\t\tufs\trw\t\t1\t1' >>%smnt/etc/fstab",
 518                                     a->os_root, cmd_name(a, "ECHO"),
 519                                     subpartition_get_device_name(sp),
 520                                     subpartition_get_mountpoint(sp),
 521                                     a->os_root);
 522                                 command_add(cmds, "%s%s 'kern.emergency_intr_enable=1' >>%smnt/boot/loader.conf",
 523                                     a->os_root, cmd_name(a, "ECHO"), a->os_root);
 524                         } else if (subpartition_is_tmpfsbacked(sp)) {
 525                                 command_add(cmds, "%s%s 'tmpfs\t\t\t%s\t\ttmpfs\trw,-s%luM\t1\t1' >>%smnt/etc/fstab",
 526                                         a->os_root, cmd_name(a, "ECHO"),
 527                                         subpartition_get_mountpoint(sp),
 528                                         subpartition_get_capacity(sp),
 529                                         a->os_root);
 530                         } else {
 531                                 command_add(cmds, "%s%s '/dev/%s\t\t%s\t\tufs\trw\t\t2\t2' >>%smnt/etc/fstab",
 532                                     a->os_root, cmd_name(a, "ECHO"),
 533                                     subpartition_get_device_name(sp),
 534                                     subpartition_get_mountpoint(sp),
 535                                     a->os_root);
 536                         }
 537                 } else {
 538                         if (strcmp(subpartition_get_mountpoint(sp), "/") == 0) {
 539                                 command_add(cmds, "%s%s '/dev/%s\t\t%s\t\thammer\trw\t\t1\t1' >>%smnt/etc/fstab",
 540                                     a->os_root, cmd_name(a, "ECHO"),
 541                                     subpartition_get_device_name(sp),
 542                                     subpartition_get_mountpoint(sp),
 543                                     a->os_root);
 544                                 command_add(cmds, "%s%s 'vfs.root.mountfrom=\"hammer:%s\"' >>%smnt/boot/loader.conf",
 545                                     a->os_root, cmd_name(a, "ECHO"),
 546                                     subpartition_get_device_name(sp),
 547                                     a->os_root);
 548                                 command_add(cmds, "%s%s 'kern.emergency_intr_enable=1' >>%smnt/boot/loader.conf",
 549                                     a->os_root, cmd_name(a, "ECHO"), a->os_root);
 550                         } else if (strcmp(subpartition_get_mountpoint(sp), "/boot") == 0) {
 551                                 command_add(cmds, "%s%s '/dev/%s\t\t%s\t\tufs\trw\t\t1\t1' >>%smnt/etc/fstab",
 552                                     a->os_root, cmd_name(a, "ECHO"),
 553                                     subpartition_get_device_name(sp),
 554                                     subpartition_get_mountpoint(sp),
 555                                     a->os_root);
 556                         }
 557                 }
 558         }
 559
 560         /*
 561          * Take care of HAMMER PFS null mounts.
 562          */
 563         if (use_hammer == 1) {
 564                 for (j = 0; pfs_mountpt[j] != NULL; j++) {
 565                         if (rindex(pfs_mountpt[j]+1, '/') != NULL)
 566                                 command_add(cmds, "%s%s '/pfs%s.%s\t%s\t\tnull\trw\t\t0\t0' >>%smnt/etc/fstab",
 567                                     a->os_root, cmd_name(a, "ECHO"),
 568                                     dirname(pfs_mountpt[j]),
 569                                     basename(pfs_mountpt[j]),
 570                                     pfs_mountpt[j],
 571                                     a->os_root);
 572                         else
 573                                 command_add(cmds, "%s%s '/pfs%s\t\t%s\t\tnull\trw\t\t0\t0' >>%smnt/etc/fstab",
 574                                     a->os_root, cmd_name(a, "ECHO"),
 575                                     pfs_mountpt[j],
 576                                     pfs_mountpt[j],
 577                                     a->os_root);
 578                 }
 579         }
 580
 581         command_add(cmds, "%s%s '%s' >>%smnt/etc/fstab",
 582             a->os_root, cmd_name(a, "ECHO"),
 583             "proc\t\t\t/proc\t\tprocfs\trw\t\t0\t0",
 584             a->os_root);
 585
 586         /* Backup the disklabel and the log. */
 587         command_add(cmds, "%s%s %s > %smnt/etc/disklabel.%s",
 588             a->os_root, cmd_name(a, "DISKLABEL64"),
 589             slice_get_device_name(storage_get_selected_slice(a->s)),
 590             a->os_root,
 591             slice_get_device_name(storage_get_selected_slice(a->s)));
 592
 593         /* 'chflags nohistory' as needed */
 594         for (j = 0; pfs_mountpt[j] != NULL; j++)
 595                 if (pfs_nohistory[j] == 1)
 596                         command_add(cmds, "%s%s -R nohistory %smnt%s",
 597                             a->os_root, cmd_name(a, "CHFLAGS"),
 598                             a->os_root, pfs_mountpt[j]);
 599
 600         command_add(cmds, "%s%s %sinstall.log %smnt/var/log/install.log",
 601             a->os_root, cmd_name(a, "CP"),
 602             a->tmp, a->os_root);
 603         command_add(cmds, "%s%s 600 %smnt/var/log/install.log",
 604             a->os_root, cmd_name(a, "CHMOD"), a->os_root);
 605
 606         /*
 607          * Move the kernel used for booting (kernel.UP or kernel.SMP) to
 608          * /boot/kernel and remove the other kernel
 609          */
 610         command_add(cmds,
 611             "%s%s %smnt`%s%s $(%s%s -n kern.bootfile)` %smnt/boot/kernel",
 612             a->os_root, cmd_name(a, "MV"),
 613             a->os_root,
 614             a->os_root, cmd_name(a, "DIRNAME"),
 615             a->os_root, cmd_name(a, "SYSCTL"),
 616             a->os_root);
 617         command_add(cmds,
 618             "%s%s -R noschg %smnt/boot/kernel.[SU]M*P; %s%s -rf %smnt/boot/kernel.[SU]M*P",
 619             a->os_root, cmd_name(a, "CHFLAGS"),
 620             a->os_root,
 621             a->os_root, cmd_name(a, "RM"),
 622             a->os_root);
 623
 624         /* Customize stuff here */
 625         if(is_file("%susr/local/bin/after_installation_routines.sh", a->os_root)) {
 626                 command_add(cmds, "%susr/local/bin/after_installation_routines.sh",
 627                     a->os_root);
 628         }
 629
 630         /*
 631          * Do it!
 632          */
 633         /* commands_preview(a->c, cmds); */
 634         if (!commands_execute(a, cmds)) {
 635                 inform(a->c, _("%s was not fully installed."), OPERATING_SYSTEM_NAME);
 636                 a->result = 0;
 637         } else {
 638                 a->result = 1;
 639         }
 640         commands_free(cmds);
 641         cmds = commands_new();
 642
 643         if (a->result) {
 644                 config_vars_write(rc_conf, CONFIG_TYPE_SH, "%smnt/etc/rc.conf",
 645                     a->os_root);
 646                 config_vars_free(rc_conf);
 647                 rc_conf = config_vars_new();
 648         }
 649
 650         /*
 651          * Unmount everything we mounted on /mnt.  This is done in a seperate
 652          * command chain, so that partitions are unmounted, even if an error
 653          * occurs in one of the preceding commands, or it is cancelled.
 654          */
 655         unmount_all_under(a, cmds, "%smnt", a->os_root);
 656
 657         /*
 658          * Once everything is unmounted, if the install went successfully,
 659          * make sure once and for all that the disklabel is bootable.
 660          */
 661         if (a->result)
 662                 command_add(cmds, "%s%s -B %s",
 663                     a->os_root, cmd_name(a, "DISKLABEL64"),
 664                     slice_get_device_name(storage_get_selected_slice(a->s)));
 665
 666         if (!commands_execute(a, cmds))
 667                 inform(a->c, _("Warning: subpartitions were not correctly unmounted."));
 668
 669         commands_free(cmds);
 670
 671         /*
 672          * Finally, remove all swap.
 673          */
 674         if (swapoff_all(a) == NULL)
 675                 inform(a->c, _("Warning: swap could not be turned off."));
 676 }