mkarchiso 26.8 KB
Newer Older
1
#!/bin/bash
2
3
#
# SPDX-License-Identifier: GPL-3.0-or-later
4

5
6
set -e -u

7
8
9
10
# Control the environment
umask 0022
export LANG="C"
export SOURCE_DATE_EPOCH="${SOURCE_DATE_EPOCH:-"$(date +%s)"}"
11

12
# mkarchiso defaults
13
app_name="${0##*/}"
14
pkg_list=()
15
run_cmd=""
16
quiet="y"
17
18
work_dir="work"
out_dir="out"
19
img_name="${app_name}.iso"
20
sfs_mode="sfs"
21
sfs_comp="xz"
22
gpg_key=""
23

24
25
26
27
28
29
30
31
32
33
34
35
36
# profile defaults
profile=""
iso_name="${app_name}"
iso_label="${app_name^^}"
iso_publisher="${app_name}"
iso_application="${app_name} iso"
iso_version=""
install_dir="${app_name}"
arch="$(uname -m)"
pacman_conf="/etc/pacman.conf"
bootmodes=()


37
38
39
40
# Show an INFO message
# $1: message string
_msg_info() {
    local _msg="${1}"
41
42
    [[ "${quiet}" == "y" ]] || printf '[%s] INFO: %s\n' "${app_name}" "${_msg}"

43
44
}

45
46
47
48
49
50
51
# Show a WARNING message
# $1: message string
_msg_warning() {
    local _msg="${1}"
    printf '\n[%s] WARNING: %s\n\n' "${app_name}" "${_msg}" >&2
}

52
53
54
55
56
57
# Show an ERROR message then exit with status
# $1: message string
# $2: exit code number (with 0 does not exit)
_msg_error() {
    local _msg="${1}"
    local _error=${2}
58
59
    printf '\n[%s] ERROR: %s\n\n' "${app_name}" "${_msg}" >&2
    if (( _error > 0 )); then
60
        exit "${_error}"
61
62
63
    fi
}

64
_chroot_init() {
65
    mkdir -p -- "${airootfs_dir}"
66
    _pacman base syslinux
67
68
69
}

_chroot_run() {
70
    eval -- arch-chroot "${airootfs_dir}" "${run_cmd}"
71
72
}

73
74
_mount_airootfs() {
    trap "_umount_airootfs" EXIT HUP INT TERM
75
    mkdir -p -- "${work_dir}/mnt/airootfs"
76
77
    _msg_info "Mounting '${airootfs_dir}.img' on '${work_dir}/mnt/airootfs'"
    mount -- "${airootfs_dir}.img" "${work_dir}/mnt/airootfs"
78
    _msg_info "Done!"
79
80
}

81
82
_umount_airootfs() {
    _msg_info "Unmounting '${work_dir}/mnt/airootfs'"
83
    umount -d -- "${work_dir}/mnt/airootfs"
84
    _msg_info "Done!"
85
    rmdir -- "${work_dir}/mnt/airootfs"
86
87
88
89
90
    trap - EXIT HUP INT TERM
}

# Show help usage, with an exit status.
# $1: exit status number.
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
_usage () {
    IFS='' read -r -d '' usagetext <<ENDUSAGETEXT || true
usage ${app_name} [options] command <command options>
 general options:
    -p PACKAGE(S)    Package(s) to install, can be used multiple times
    -r <command>     Run <command> inside airootfs
    -C <file>        Config file for pacman.
                     Default: '${pacman_conf}'
    -L <label>       Set a label for the disk
                     Default: '${iso_label}'
    -P <publisher>   Set a publisher for the disk
                     Default: '${iso_publisher}'
    -A <application> Set an application name for the disk
                     Default: '${iso_application}'
    -D <install_dir> Set an install_dir. All files will by located here.
                     Default: '${install_dir}'
                     NOTE: Max 8 characters, use only [a-z0-9]
    -w <work_dir>    Set the working directory
                     Default: '${work_dir}'
    -o <out_dir>     Set the output directory
                     Default: '${out_dir}'
    -s <sfs_mode>    Set SquashFS image mode (img or sfs)
                     img: prepare airootfs.sfs for dm-snapshot usage
                     sfs: prepare airootfs.sfs for overlayfs usage
                     Default: '${sfs_mode}'
    -c <comp_type>   Set SquashFS compression type (gzip, lzma, lzo, xz, zstd)
                     Default: '${sfs_comp}'
    -v               Enable verbose output
    -h               This message
 commands:
   init
      Make base layout and install base group
   install
      Install all specified packages (-p)
   run
      run command specified by -r
   prepare
      build all images
   pkglist
      make a pkglist.txt of packages installed on airootfs
   iso <image name>
      build an iso image from the working dir
ENDUSAGETEXT
    printf '%s\n' "${usagetext}"
135
    exit "${1}"
136
137
}

138
# Shows configuration according to command mode.
139
# $1: init | install | run | prepare | iso
140
141
_show_config () {
    local _mode="$1"
142
    printf '\n'
143
144
145
146
147
148
    _msg_info "Configuration settings"
    _msg_info "                  Command:   ${command_name}"
    _msg_info "             Architecture:   ${arch}"
    _msg_info "        Working directory:   ${work_dir}"
    _msg_info "   Installation directory:   ${install_dir}"
    case "${_mode}" in
149
150
151
152
        init)
            _msg_info "       Pacman config file:   ${pacman_conf}"
            ;;
        install)
153
            _msg_info "       Pacman config file:   ${pacman_conf}"
154
            _msg_info "                 Packages:   ${pkg_list[*]}"
155
            ;;
156
157
158
        run)
            _msg_info "              Run command:   ${run_cmd}"
            ;;
159
160
        prepare)
            ;;
161
162
        pkglist)
            ;;
163
164
165
166
167
168
        iso)
            _msg_info "               Image name:   ${img_name}"
            _msg_info "               Disk label:   ${iso_label}"
            _msg_info "           Disk publisher:   ${iso_publisher}"
            _msg_info "         Disk application:   ${iso_application}"
            ;;
169
    esac
170
    printf '\n'
171
}
172

173
# Install desired packages to airootfs
174
_pacman () {
175
    _msg_info "Installing packages to '${airootfs_dir}/'..."
176
177

    if [[ "${quiet}" = "y" ]]; then
178
        pacstrap -C "${pacman_conf}" -c -G -M -- "${airootfs_dir}" "$@" &> /dev/null
179
    else
180
        pacstrap -C "${pacman_conf}" -c -G -M -- "${airootfs_dir}" "$@"
181
    fi
182

183
    _msg_info "Packages installed successfully!"
184
185
}

186
# Cleanup airootfs
187
_cleanup () {
188
    _msg_info "Cleaning up what we can on airootfs..."
189

190
    # Delete initcpio image(s)
191
192
    if [[ -d "${airootfs_dir}/boot" ]]; then
        find "${airootfs_dir}/boot" -type f -name '*.img' -delete
193
194
    fi
    # Delete kernel(s)
195
196
    if [[ -d "${airootfs_dir}/boot" ]]; then
        find "${airootfs_dir}/boot" -type f -name 'vmlinuz*' -delete
197
198
    fi
    # Delete pacman database sync cache files (*.tar.gz)
199
200
    if [[ -d "${airootfs_dir}/var/lib/pacman" ]]; then
        find "${airootfs_dir}/var/lib/pacman" -maxdepth 1 -type f -delete
201
202
    fi
    # Delete pacman database sync cache
203
204
    if [[ -d "${airootfs_dir}/var/lib/pacman/sync" ]]; then
        find "${airootfs_dir}/var/lib/pacman/sync" -delete
205
206
    fi
    # Delete pacman package cache
207
208
    if [[ -d "${airootfs_dir}/var/cache/pacman/pkg" ]]; then
        find "${airootfs_dir}/var/cache/pacman/pkg" -type f -delete
209
210
    fi
    # Delete all log files, keeps empty dirs.
211
212
    if [[ -d "${airootfs_dir}/var/log" ]]; then
        find "${airootfs_dir}/var/log" -type f -delete
213
214
    fi
    # Delete all temporary files and dirs
215
216
    if [[ -d "${airootfs_dir}/var/tmp" ]]; then
        find "${airootfs_dir}/var/tmp" -mindepth 1 -delete
217
    fi
218
    # Delete package pacman related files.
219
    find "${work_dir}" \( -name '*.pacnew' -o -name '*.pacsave' -o -name '*.pacorig' \) -delete
220
    _msg_info "Done!"
221
}
222

223
224
# Makes a ext4 filesystem inside a SquashFS from a source directory.
_mkairootfs_img () {
225
226
    if [[ ! -e "${airootfs_dir}" ]]; then
        _msg_error "The path '${airootfs_dir}' does not exist" 1
227
228
    fi

229
    _msg_info "Creating ext4 image of 32GiB..."
230
    truncate -s 32G -- "${airootfs_dir}.img"
231
    if [[ "${quiet}" == "y" ]]; then
232
        mkfs.ext4 -q -O '^has_journal,^resize_inode' -E 'lazy_itable_init=0' -m 0 -F -- "${airootfs_dir}.img"
233
    else
234
        mkfs.ext4 -O '^has_journal,^resize_inode' -E 'lazy_itable_init=0' -m 0 -F -- "${airootfs_dir}.img"
235
    fi
236
    tune2fs -c 0 -i 0 -- "${airootfs_dir}.img" &> /dev/null
237
    _msg_info "Done!"
238
    _mount_airootfs
239
240
    _msg_info "Copying '${airootfs_dir}/' to '${work_dir}/mnt/airootfs/'..."
    cp -aT -- "${airootfs_dir}/" "${work_dir}/mnt/airootfs/"
241
    chown root:root -- "${work_dir}/mnt/airootfs/"
242
    _msg_info "Done!"
243
    _umount_airootfs
244
    mkdir -p -- "${isofs_dir}/${install_dir}/${arch}"
245
246
    _msg_info "Creating SquashFS image, this may take some time..."
    if [[ "${quiet}" = "y" ]]; then
247
        mksquashfs "${airootfs_dir}.img" "${isofs_dir}/${install_dir}/${arch}/airootfs.sfs" -noappend \
248
            -comp "${sfs_comp}" -no-progress &> /dev/null
249
    else
250
        mksquashfs "${airootfs_dir}.img" "${isofs_dir}/${install_dir}/${arch}/airootfs.sfs" -noappend \
251
            -comp "${sfs_comp}"
252
253
    fi
    _msg_info "Done!"
254
    rm -- "${airootfs_dir}.img"
255
256
}

257
258
# Makes a SquashFS filesystem from a source directory.
_mkairootfs_sfs () {
259
260
    if [[ ! -e "${airootfs_dir}" ]]; then
        _msg_error "The path '${airootfs_dir}' does not exist" 1
261
262
    fi

263
    mkdir -p -- "${isofs_dir}/${install_dir}/${arch}"
264
265
    _msg_info "Creating SquashFS image, this may take some time..."
    if [[ "${quiet}" = "y" ]]; then
266
        mksquashfs "${airootfs_dir}" "${isofs_dir}/${install_dir}/${arch}/airootfs.sfs" -noappend \
267
            -comp "${sfs_comp}" -no-progress &> /dev/null
268
    else
269
        mksquashfs "${airootfs_dir}" "${isofs_dir}/${install_dir}/${arch}/airootfs.sfs" -noappend \
270
            -comp "${sfs_comp}"
271
272
273
274
    fi
    _msg_info "Done!"
}

275
276
_mkchecksum () {
    _msg_info "Creating checksum file for self-test..."
277
    cd -- "${isofs_dir}/${install_dir}/${arch}"
278
    sha512sum airootfs.sfs > airootfs.sha512
279
    cd -- "${OLDPWD}"
280
    _msg_info "Done!"
281
282
}

283
284
_mksignature () {
    _msg_info "Creating signature file..."
285
    cd -- "${isofs_dir}/${install_dir}/${arch}"
286
    gpg --detach-sign --default-key "${gpg_key}" airootfs.sfs
287
    cd -- "${OLDPWD}"
288
289
290
    _msg_info "Done!"
}

291
292
293
294
295
296
297
# Helper function to run functions only one time.
_run_once() {
    if [[ ! -e "${work_dir}/build.${1}" ]]; then
        "$1"
        touch "${work_dir}/build.${1}"
    fi
}
298

299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
# Set up custom pacman.conf with current cache directories.
_make_pacman_conf() {
    local _cache_dirs
    _cache_dirs="$(pacman-conf CacheDir)"
    sed -r "s|^#?\\s*CacheDir.+|CacheDir    = ${_cache_dirs[*]//$'\n'/ }|g" \
        "${pacman_conf}" > "${work_dir}/pacman.conf"
}

# Prepare working directory and copy custom airootfs files (airootfs)
_make_custom_airootfs() {
    mkdir -m 755 -- "${airootfs_dir}"

    local passwd=()
    if [[ -d "${profile}/airootfs" ]]; then
        cp -af --no-preserve=ownership -- "${profile}/airootfs/." "${airootfs_dir}"

        [[ -e "${airootfs_dir}/etc/shadow" ]] && chmod -f 0400 -- "${airootfs_dir}/etc/shadow"
        [[ -e "${airootfs_dir}/etc/gshadow" ]] && chmod -f 0400 -- "${airootfs_dir}/etc/gshadow"

        # Set up user home directories and permissions
        if [[ -e "${airootfs_dir}/etc/passwd" ]]; then
            while IFS=':' read -a passwd -r; do
                [[ "${passwd[5]}" == '/' ]] && continue
                [[ -z "${passwd[5]}" ]] && continue

                if [[ -d "${airootfs_dir}${passwd[5]}" ]]; then
                    chown -hR -- "${passwd[2]}:${passwd[3]}" "${airootfs_dir}${passwd[5]}"
                    chmod -f 0750 -- "${airootfs_dir}${passwd[5]}"
                else
                    install -d -m 0750 -o "${passwd[2]}" -g "${passwd[3]}" -- "${airootfs_dir}${passwd[5]}"
                fi
             done < "${airootfs_dir}/etc/passwd"
        fi
    fi
}

# Packages (airootfs)
_make_packages() {
    if [[ -n "${gpg_key}" ]]; then
        exec {ARCHISO_GNUPG_FD}<>"${work_dir}/pubkey.gpg"
        export ARCHISO_GNUPG_FD
    fi
    _pacman "${pkg_list[@]}"
    if [[ -n "${gpg_key}" ]]; then
        exec {ARCHISO_GNUPG_FD}<&-
        unset ARCHISO_GNUPG_FD
    fi
}

# Customize installation (airootfs)
_make_customize_airootfs() {
    local passwd=()
    if [[ -e "${profile}/airootfs/etc/passwd" ]]; then
        while IFS=':' read -a passwd -r; do
            if [[ "${passwd[5]}" == '/' ]]; then
                continue
            fi
            cp -RdT --preserve=mode,timestamps,links -- "${airootfs_dir}/etc/skel" "${airootfs_dir}${passwd[5]}"
            chown -hR -- "${passwd[2]}:${passwd[3]}" "${airootfs_dir}${passwd[5]}"

        done < "${profile}/airootfs/etc/passwd"
    fi

    if [[ -e "${airootfs_dir}/root/customize_airootfs.sh" ]]; then
        _msg_warning "customize_airootfs.sh is deprecated! Support for it will be removed in a future archiso version."
        local run_cmd="/root/customize_airootfs.sh"
        local work_dir="${work_dir}/${arch}"
        command_run
        rm -- "${airootfs_dir}/root/customize_airootfs.sh"
    fi
}

371
372
373
374
375
376
377
378
379
380
381
382
# Set up boot loaders
_make_bootmodes() {
    local bootmode
    for bootmode in "${bootmodes[@]}"; do
        if typeset -f "_make_boot_${bootmode}" &> /dev/null; then
            _run_once "_make_boot_${bootmode}"
        else
            _msg_error "${bootmode} is not a valid boot mode" 1
        fi
    done
}

383
# Prepare kernel/initramfs ${install_dir}/boot/
384
_make_boot_on_iso() {
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
    mkdir -p -- "${isofs_dir}/${install_dir}/boot/${arch}"
    install -m 0644 -- "${airootfs_dir}/boot/archiso.img" "${isofs_dir}/${install_dir}/boot/${arch}/"
    install -m 0644 -- "${airootfs_dir}/boot/vmlinuz-linux" "${isofs_dir}/${install_dir}/boot/${arch}/"
    if [[ -e "${airootfs_dir}/boot/intel-ucode.img" ]]; then
        install -m 0644 -- "${airootfs_dir}/boot/intel-ucode.img" "${isofs_dir}/${install_dir}/boot/"
        mkdir -p "${isofs_dir}/${install_dir}/boot/licenses/intel-ucode/"
        install -m 0644 -- "${airootfs_dir}/usr/share/licenses/intel-ucode/"* \
            "${isofs_dir}/${install_dir}/boot/licenses/intel-ucode/"
    fi
    if [[ -e "${airootfs_dir}/boot/amd-ucode.img" ]]; then
        install -m 0644 -- "${airootfs_dir}/boot/amd-ucode.img" "${isofs_dir}/${install_dir}/boot/"
        mkdir -p "${isofs_dir}/${install_dir}/boot/licenses/amd-ucode/"
        install -m 0644 -- "${airootfs_dir}/usr/share/licenses/amd-ucode/"* \
            "${isofs_dir}/${install_dir}/boot/licenses/amd-ucode/"
    fi
}

# Prepare /${install_dir}/boot/syslinux
403
_make_boot_bios.syslinux.mbr() {
404
405
406
    mkdir -p "${isofs_dir}/${install_dir}/boot/syslinux"
    for _cfg in "${profile}/syslinux/"*.cfg; do
        sed "s|%ARCHISO_LABEL%|${iso_label}|g;
407
408
409
             s|%INSTALL_DIR%|${install_dir}|g;
             s|%ARCH%|${arch}|g" \
             "${_cfg}" > "${isofs_dir}/${install_dir}/boot/syslinux/${_cfg##*/}"
410
    done
411
412
413
    if [[ -e "${profile}/syslinux/splash.png" ]]; then
        install -m 0644 -- "${profile}/syslinux/splash.png" "${isofs_dir}/${install_dir}/boot/syslinux/"
    fi
414
415
416
    install -m 0644 -- "${airootfs_dir}/usr/lib/syslinux/bios/"*.c32 "${isofs_dir}/${install_dir}/boot/syslinux/"
    install -m 0644 -- "${airootfs_dir}/usr/lib/syslinux/bios/lpxelinux.0" "${isofs_dir}/${install_dir}/boot/syslinux/"
    install -m 0644 -- "${airootfs_dir}/usr/lib/syslinux/bios/memdisk" "${isofs_dir}/${install_dir}/boot/syslinux/"
417
418
419
420

    _make_boot_on_iso
    _uname_r=$(file -b "${isofs_dir}/${install_dir}/boot/${arch}/vmlinuz-linux" | awk 'f{print;f=0} /version/{f=1}' RS=' ')

421
422
423
424
425
    mkdir -p "${isofs_dir}/${install_dir}/boot/syslinux/hdt"
    gzip -c -9 "${airootfs_dir}/usr/share/hwdata/pci.ids" > \
        "${isofs_dir}/${install_dir}/boot/syslinux/hdt/pciids.gz"
    gzip -c -9 "${airootfs_dir}/usr/lib/modules/${_uname_r}/modules.alias" > \
        "${isofs_dir}/${install_dir}/boot/syslinux/hdt/modalias.gz"
426
427
428
429
430
431
432
433
434

    # Add other aditional/extra files to ${install_dir}/boot/
    if [[ -e "${airootfs_dir}/boot/memtest86+/memtest.bin" ]]; then
        # rename for PXE: https://wiki.archlinux.org/index.php/Syslinux#Using_memtest
        install -m 0644 -- "${airootfs_dir}/boot/memtest86+/memtest.bin" "${isofs_dir}/${install_dir}/boot/memtest"
        mkdir -p "${isofs_dir}/${install_dir}/boot/licenses/memtest86+/"
        install -m 0644 -- "${airootfs_dir}/usr/share/licenses/common/GPL2/license.txt" \
            "${isofs_dir}/${install_dir}/boot/licenses/memtest86+/"
    fi
435
436
437
}

# Prepare /isolinux
438
_make_boot_bios.syslinux.eltorito() {
439
    mkdir -p "${isofs_dir}/isolinux"
440
441
442
443
    sed "s|%ARCHISO_LABEL%|${iso_label}|g;
         s|%INSTALL_DIR%|${install_dir}|g;
         s|%ARCH%|${arch}|g" \
         "${profile}/isolinux/isolinux.cfg" > "${isofs_dir}/isolinux/isolinux.cfg"
444
445
446
    install -m 0644 -- "${airootfs_dir}/usr/lib/syslinux/bios/isolinux.bin" "${isofs_dir}/isolinux/"
    install -m 0644 -- "${airootfs_dir}/usr/lib/syslinux/bios/isohdpfx.bin" "${isofs_dir}/isolinux/"
    install -m 0644 -- "${airootfs_dir}/usr/lib/syslinux/bios/ldlinux.c32" "${isofs_dir}/isolinux/"
447
448
449

    # isolinux.cfg loads syslinux.cfg
    _run_once _make_boot_bios.syslinux.mbr
450
451
452
453
454
455
456
457
458
459
460
461
}

# Prepare /EFI on ISO-9660
_make_efi() {
    mkdir -p "${isofs_dir}/EFI/BOOT"
    install -m 0644 -- "${airootfs_dir}/usr/lib/systemd/boot/efi/systemd-bootx64.efi" \
        "${isofs_dir}/EFI/BOOT/BOOTx64.EFI"

    mkdir -p "${isofs_dir}/loader/entries"
    install -m 0644 -- "${profile}/efiboot/loader/loader.conf" "${isofs_dir}/loader/"

    sed "s|%ARCHISO_LABEL%|${iso_label}|g;
462
463
         s|%INSTALL_DIR%|${install_dir}|g;
         s|%ARCH%|${arch}|g" \
464
465
466
467
468
        "${profile}/efiboot/loader/entries/archiso-x86_64-usb.conf" > \
        "${isofs_dir}/loader/entries/archiso-x86_64.conf"

    # edk2-shell based UEFI shell
    # shellx64.efi is picked up automatically when on /
469
470
471
    if [[ -e "${airootfs_dir}/usr/share/edk2-shell/x64/Shell_Full.efi" ]]; then
        install -m 0644 -- "${airootfs_dir}/usr/share/edk2-shell/x64/Shell_Full.efi" "${isofs_dir}/shellx64.efi"
    fi
472
473
}

474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
# Prepare kernel/initramfs on efiboot.img
_make_boot_on_fat() {
    mkdir -p "${work_dir}/efiboot/EFI/archiso"
    install -m 0644 -- "${airootfs_dir}/boot/vmlinuz-linux" "${work_dir}/efiboot/EFI/archiso/"
    install -m 0644 -- "${isofs_dir}/${install_dir}/boot/${arch}/archiso.img" "${work_dir}/efiboot/EFI/archiso/"
    if [[ -e "${airootfs_dir}/boot/intel-ucode.img" ]]; then
        install -m 0644 -- "${airootfs_dir}/boot/intel-ucode.img" "${work_dir}/efiboot/EFI/archiso/"
    fi
    if [[ -e "${airootfs_dir}/boot/amd-ucode.img" ]]; then
        install -m 0644 -- "${airootfs_dir}/boot/amd-ucode.img" "${work_dir}/efiboot/EFI/archiso/"
    fi
}

# Prepare efiboot.img::/EFI for EFI boot mode
_make_boot_uefi-x64.systemd-boot.esp() {
489
490
491
492
493
494
495
496
497
498
499
500
501
502
    mkdir -p "${isofs_dir}/EFI/archiso"
    mkfs.fat -C -n ARCHISO_EFI "${isofs_dir}/EFI/archiso/efiboot.img" 65536

    mkdir -p "${work_dir}/efiboot"
    mount "${isofs_dir}/EFI/archiso/efiboot.img" "${work_dir}/efiboot"

    mkdir -p "${work_dir}/efiboot/EFI/BOOT"
    install -m 0644 -- "${airootfs_dir}/usr/lib/systemd/boot/efi/systemd-bootx64.efi" \
        "${work_dir}/efiboot/EFI/BOOT/BOOTx64.EFI"

    mkdir -p "${work_dir}/efiboot/loader/entries"
    install -m 0644 -- "${profile}/efiboot/loader/loader.conf" "${work_dir}/efiboot/loader/"

    sed "s|%ARCHISO_LABEL%|${iso_label}|g;
503
504
         s|%INSTALL_DIR%|${install_dir}|g;
         s|%ARCH%|${arch}|g" \
505
506
507
508
        "${profile}/efiboot/loader/entries/archiso-x86_64-cd.conf" > \
        "${work_dir}/efiboot/loader/entries/archiso-x86_64.conf"

    # shellx64.efi is picked up automatically when on /
509
510
511
512
513
514
    if [[ -e "${airootfs_dir}/usr/share/edk2-shell/x64/Shell_Full.efi" ]]; then
        install -m 0644 -- "${airootfs_dir}/usr/share/edk2-shell/x64/Shell_Full.efi" "${work_dir}/efiboot/shellx64.efi"
    fi

    # Copy kernel and initramfs
    _make_boot_on_fat
515

516
517
518
    umount -d "${work_dir}/efiboot"
}

519
520
521
522
523
524
525
# Prepare efiboot.img::/EFI for "El Torito" EFI boot mode
_make_boot_uefi-x64.systemd-boot.eltorito() {
    _run_once _make_boot_uefi-x64.systemd-boot.esp
    # Set up /EFI on ISO-9660
    _run_once _make_efi
}

526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
# Build airootfs filesystem image
_make_prepare() {
    if [[ "${sfs_mode}" == "sfs" ]]; then
        _mkairootfs_sfs
    else
        _mkairootfs_img
    fi
    _mkchecksum
    if [[ "${gpg_key}" ]]; then
      _mksignature
    fi
}

# Build ISO
_make_iso() {
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
    local xorrisofs_options=()

    if [[ "${quiet}" == "y" ]]; then
        xorrisofs_options+=('-quiet')
    fi
    # shellcheck disable=SC2076
    if [[ " ${bootmodes[*]} " =~ ' bios.syslinux.' ]]; then
        if [[ ! -f "${isofs_dir}/isolinux/isolinux.bin" ]]; then
            _msg_error "The file '${isofs_dir}/isolinux/isolinux.bin' does not exist." 1
        fi
        if [[ ! -f "${isofs_dir}/isolinux/isohdpfx.bin" ]]; then
            _msg_error "The file '${isofs_dir}/isolinux/isohdpfx.bin' does not exist." 1
        fi
        xorrisofs_options+=(
            '-eltorito-boot' 'isolinux/isolinux.bin'
            '-eltorito-catalog' 'isolinux/boot.cat'
            '-no-emul-boot' '-boot-load-size' '4' '-boot-info-table'
            '-isohybrid-mbr' "${isofs_dir}/isolinux/isohdpfx.bin"
        )
    fi
    # shellcheck disable=SC2076
    if [[ " ${bootmodes[*]} " =~ ' uefi-x64.systemd-boot.' ]]; then
        xorrisofs_options+=(
            '-eltorito-alt-boot'
            '-e' 'EFI/archiso/efiboot.img'
            '-no-emul-boot'
            '-isohybrid-gpt-basdat'
        )
    fi

    _msg_info "Creating ISO image..."
    xorriso -as mkisofs \
            -iso-level 3 \
            -full-iso9660-filenames \
            -rational-rock \
            -volid "${iso_label}" \
            -appid "${iso_application}" \
            -publisher "${iso_publisher}" \
            -preparer "prepared by ${app_name}" \
            "${xorrisofs_options[@]}" \
            -output "${out_dir}/${img_name}" \
            "${isofs_dir}/"
    _msg_info "Done! | $(du -h -- "${out_dir}/${img_name}")"
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
}

# Read profile's values from profiledef.sh
_read_profile () {
    if [[ -z "${profile}" ]]; then
        _msg_error "No profile specified!" 1
    fi
    if [[ ! -d "${profile}" ]]; then
        _msg_error "Profile '${profile}' does not exist!" 1
    elif [[ ! -e "${profile}/profiledef.sh" ]]; then
        _msg_error "Profile '${profile}' is missing 'profiledef.sh'!" 1
    else
        # Source profile's variables
        # shellcheck source=configs/releng/profiledef.sh
        . "${profile}/profiledef.sh"
        cd -- "${profile}"

        # Resolve paths
        packages="$(realpath -- "${profile}/packages.${arch}")"
        pacman_conf="$(realpath -- "${pacman_conf}")"

        # Enumerate packages
        [[ -e "${packages}" ]] || _msg_error "File '${packages}' does not exist!" 1
        mapfile -t pkg_list < <(sed '/^[[:blank:]]*#.*/d;s/#.*//;/^[[:blank:]]*$/d' "${packages}")
        if (( ${#pkg_list[@]} == 0 )); then
            _msg_error "'${packages}' does not list any packages!" 1
        fi

        cd -- "${OLDPWD}"
    fi
}

_set_up_directories() {
    local directory
    for directory in "${work_dir}" "${out_dir}" "${work_dir}/${arch}" "${isofs_dir}" "${isofs_dir}/${install_dir}"; do
        [[ -d "${directory}" ]] || mkdir -m 0755 -- "${directory}"
    done
}

_print_settings() {
    _msg_info "${app_name} configuration settings"
    _msg_info "    Command:                   ${command_name}"
    _msg_info "    Working directory:         ${work_dir}"
    _msg_info "    Output directory:          ${out_dir}"
    _msg_info "    GPG key:                   ${gpg_key:-None}"
    _msg_info "Profile configuration settings"
    _msg_info "    Profile:                   ${profile}"
    _msg_info "    Architecture:              ${arch}"
    _msg_info "    Image name:                ${img_name}"
    _msg_info "    Disk label:                ${iso_label}"
    _msg_info "    Disk publisher:            ${iso_publisher}"
    _msg_info "    Disk application:          ${iso_application}"
    _msg_info "    Installation directory:    ${install_dir}"
    _msg_info "    Pacman config file:        ${pacman_conf}"
    _msg_info "    Packages:                  ${pkg_list[*]}"
    _msg_info "    Boot modes:                ${bootmodes[*]}"
}

_export_gpg_publickey() {
    if [[ -n "${gpg_key}" ]]; then
        gpg --batch --output "${work_dir}/pubkey.gpg" --export "${gpg_key}"
    fi
}


_make_pkglist() {
650
    _msg_info "Creating a list of installed packages on live-enviroment..."
651
    pacman -Q --sysroot "${airootfs_dir}" > "${isofs_dir}/${install_dir}/pkglist.${arch}.txt"
652
    _msg_info "Done!"
653
}
654

655
656
657
command_pkglist () {
    _show_config pkglist
    _make_pkglist
658
659
}

660
# Create an ISO9660 filesystem from "iso" directory.
661
command_iso () {
662
    bootmodes=('bios.syslinux.mbr' 'bios.syslinux.eltorito')
663

664
    # If exists, add an EFI "El Torito" boot image (FAT filesystem) to ISO-9660 image.
665
    if [[ -f "${isofs_dir}/EFI/archiso/efiboot.img" ]]; then
666
        bootmodes+=('uefi-x64.systemd-boot.esp' 'uefi-x64.systemd-boot.eltorito')
667
668
    fi

669
    _show_config iso
670
    mkdir -p -- "${out_dir}"
671
    _make_iso
672
673
}

674
# create airootfs.sfs filesystem, and push it in "iso" directory.
675
676
677
678
command_prepare () {
    _show_config prepare

    _cleanup
679
    _make_prepare
680
681
}

682
# Install packages on airootfs.
683
# A basic check to avoid double execution/reinstallation is done via hashing package names.
684
command_install () {
685
686
687
688
    if [[ ! -f "${pacman_conf}" ]]; then
        _msg_error "Pacman config file '${pacman_conf}' does not exist" 1
    fi

689
    if (( ${#pkg_list[@]} == 0 )); then
690
691
692
693
        _msg_error "Packages must be specified" 0
        _usage 1
    fi

694
    _show_config install
695

696
    _make_packages
697
698
}

699
700
701
702
703
704
705
706
707
command_init() {
    _show_config init
    _chroot_init
}

command_run() {
    _show_config run
    _chroot_run
}
708

709
710
711
712
command_build_profile() {
    _msg_warning "The ${FUNCNAME[0]#command_} command is not fully implemented yet :("
    # Set up essential directory paths
    airootfs_dir="${work_dir}/${arch}/airootfs"
713
714
715
716
717
718
719
720
721
722
723
724
    isofs_dir="${work_dir}/iso"
    # Set ISO file name
    img_name="${iso_name}-${iso_version}-${arch}.iso"

    _print_settings
    _run_once _set_up_directories
    _run_once _make_pacman_conf
    _run_once _export_gpg_publickey
    _run_once _make_custom_airootfs
    _run_once _make_packages
    _run_once _make_customize_airootfs
    _run_once _make_pkglist
725
    _make_bootmodes
726
727
728
    _run_once _cleanup
    _run_once _make_prepare
    _run_once _make_iso
729
730
731
}

while getopts 'B:p:r:C:L:P:A:D:w:o:s:c:g:vh' arg; do
732
    case "${arg}" in
733
734
        B)
            profile="$(realpath -- "${OPTARG}")"
735
            _read_profile
736
            ;;
737
738
        p)
            read -r -a opt_pkg_list <<< "${OPTARG}"
739
740
            pkg_list+=("${opt_pkg_list[@]}")
            ;;
741
        r) run_cmd="${OPTARG}" ;;
742
        C) pacman_conf="$(realpath -- "${OPTARG}")" ;;
743
744
745
746
        L) iso_label="${OPTARG}" ;;
        P) iso_publisher="${OPTARG}" ;;
        A) iso_application="${OPTARG}" ;;
        D) install_dir="${OPTARG}" ;;
747
748
        w) work_dir="$(realpath -- "${OPTARG}")" ;;
        o) out_dir="$(realpath -- "${OPTARG}")" ;;
749
        s) sfs_mode="${OPTARG}" ;;
750
        c) sfs_comp="${OPTARG}" ;;
751
        g) gpg_key="${OPTARG}" ;;
752
753
754
755
756
757
758
759
760
        v) quiet="n" ;;
        h|?) _usage 0 ;;
        *)
            _msg_error "Invalid argument '${arg}'" 0
            _usage 1
            ;;
    esac
done

761
762
763
764
if (( EUID != 0 )); then
    _msg_error "${app_name} must be run as root." 1
fi

765
766
shift $((OPTIND - 1))

767
if (( $# < 1 )); then
768
769
    _msg_error "No command specified" 0
    _usage 1
770
fi
771
772
command_name="${1}"

773
774
# Set directory path defaults
airootfs_dir="${work_dir}/airootfs"
775
isofs_dir="${work_dir}/iso"
776

777
case "${command_name}" in
778
779
780
781
782
783
784
785
    init)
        command_init
        ;;
    install)
        command_install
        ;;
    run)
        command_run
786
787
788
789
        ;;
    prepare)
        command_prepare
        ;;
790
791
792
    pkglist)
        command_pkglist
        ;;
793
    iso)
794
        if (( $# < 2 )); then
795
796
797
            _msg_error "No image specified" 0
            _usage 1
        fi
798
        img_name="${2}"
799
800
        command_iso
        ;;
801
802
803
    build_profile)
        command_build_profile
        ;;
804
805
806
807
808
    *)
        _msg_error "Invalid command name '${command_name}'" 0
        _usage 1
        ;;
esac
809
810

# vim:ts=4:sw=4:et: