New experimental script test/merge_debian_isos. Deprecated merge_2_debian_isos.
This commit is contained in:
parent
3eef0411d5
commit
9b4c082f84
@ -1,5 +1,15 @@
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#!/bin/bash
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echo >&2
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echo "THIS SCRIPT IS DEPRECATED ! USE ITS SUCCESSOR: merge_debian_isos" >&2
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echo >&2
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echo "The script merge_2_debian_isos still exists only because it was mentioned">&2
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echo "in Debian bug 1011343. The successor can merge more than two ISOs.">&2
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echo "So do not edit this script to remove this warning and the 'exit 7' line.">&2
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echo >&2
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exit 7
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usage() {
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echo "usage: $(basename "$0") "'\' >&2
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echo " boot_iso boot_mount add_iso add_mount result_iso [for_dist]" >&2
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@ -344,6 +354,9 @@ fi
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-padding included \
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-compliance no_emul_toc
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## Clean up
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if test "$do_mount_1" = 1
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then
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sudo umount "$BOOT_ISO_MOUNT"
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634
test/merge_debian_isos
Executable file
634
test/merge_debian_isos
Executable file
@ -0,0 +1,634 @@
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#!/bin/bash
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# Copyright 2022 Thomas Schmitt <scdbackup@gmx.net> , libburnia project.
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# Provided under BSD license: Use, modify, and distribute as you like.
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usage() {
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echo "usage: $(basename "$0") result_iso mount_template iso1 iso2 [... isoN]" >&2
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echo >&2
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echo "Mounts by sudo the ISO 9660 images iso1 to isoN at directories" >&2
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echo "mount_template1 to mount_templateN, if not already mounted that way." >&2
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echo "Then the Debian pools and package lists get merged and a new" >&2
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echo "ISO 9660 image result_iso is produced, which must not yet exist." >&2
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echo "If iso1 is bootable then the new image will be bootable by the" >&2
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echo "same means." >&2
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echo "At least the parent directory of mount_template must already exist." >&2
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echo "All arguments must be single words without using quotation marks." >&2
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echo "None of the isoN must be equal to another isoM." >&2
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echo >&2
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echo "This script creates and finally removes the following temporary tree" >&2
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echo "and files which must not yet exist in the current working directory:" >&2
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echo " ./merged_dists , ./merged_md5sum.txt , ./merged_REAMDE.txt" >&2
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echo " ./temp_file" >&2
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echo "Further it creates and finally removes directories mount_template*" >&2
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echo "if they are needed and do not exist when the script starts." >&2
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echo "It depends on the following programs:" >&2
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echo " awk, basename, bash, cat, chmod, cp, dirname, expr, fgrep, grep," >&2
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echo " gunzip, gzip, head, ls, mkdir, mount, mv, rm, rmdir, sha256sum," >&2
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echo " sed, sort, stat, sudo, umount, xorriso" >&2
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echo "Recommended are: md5sum, sha1sum, sha512sum" >&2
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echo >&2
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echo "Exported non-empty variable MERGE_DATE enforces a particular" >&2
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echo "date string in the text which gets prepended to /README.txt ." >&2
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echo "Exported non-empty variable MERGE_FOR_DIST enforces the use of a" >&2
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echo "particular directory in /dists of iso1. Normally only one" >&2
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echo "such directory is found and thus no need to set MERGE_FOR_DIST." >&2
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echo "Exported non-empty variable XORRISO overrides command xorriso." >&2
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echo "This may be needed if installed xorriso is older than 1.4.2." >&2
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echo >&2
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echo "Example using GNU xorriso-1.5.4 instead of /usr/bin/xorriso:" >&2
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echo " export XORRISO="'$HOME'"/xorriso-1.5.4/xorriso/xorriso" >&2
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echo " mkdir merge_mount" >&2
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echo " $(basename "$0") merged.iso merge_mount/iso "'\' >&2
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echo " debian-11.2.0-amd64-DVD-[12345].iso" >&2
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echo " rmdir merge_mount" >&2
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}
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check_single_word() {
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empty=1
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for i in $1
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do
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if test "$i" = "$1"
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then
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empty=0
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else
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echo "--- Argument $2 is not a single word:" >&2
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echo "--- '${1}'" >&2
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return 1
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fi
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done
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if test "$empty" = 1
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then
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echo "--- Argument $2 is empty or entirely white space:" >&2
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echo "--- '${1}'" >&2
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return 1
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fi
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return 0
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}
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MOUNT_LIST=
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UMOUNT_LIST=
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RMDIR_LIST=
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TEMPFILE_LIST="merged_dists merged_md5sum.txt merged_README.txt temp_file"
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# Cleanup temporary files, mount points and made directories
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cleanup_and_end() {
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# Remove trap
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trap EXIT
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echo >&2
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echo "Cleaning up temporary files and mount points ..." 2>&1
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ret=0
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for i in $TEMPFILE_LIST
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do
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if test -e "$i"
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then
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if rm -r "$i"
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then
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dummy=dummy
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else
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echo "--- Note: Cannot remove previously created temporary file: $i" >&2
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ret=1
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fi
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fi
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done
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for i in $UMOUNT_LIST
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do
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if sudo umount "$i"
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then
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dummy=dummy
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else
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echo "--- Note: Cannot unmount previously mounted $i" >&2
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ret=1
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fi
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done
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for i in $RMDIR_LIST
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do
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if rmdir "$i"
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then
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dummy=dummy
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else
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echo "--- Note: Cannot remove previously created directory $i" >&2
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ret=1
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fi
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done
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if test "$ret" = 0
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then
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echo "Cleanup completed." >&2
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else
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echo "--- Cleanup could not be fully completed." >&2
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fi
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if test -n "$1"
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then
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echo >&2
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if test "$1" -gt 0
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then
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echo "--- Merge run aborted !" >&2
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else
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echo "Merge run ended with success indication." >&2
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fi
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exit "$1"
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fi
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return $ret
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}
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## Check arguments
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# +++ No cleanup_and_end before TEMPFILE_LIST is verified to be missing +++
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if test "$#" -lt 4
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then
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usage
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exit 1
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fi
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echo >&2
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echo "$(basename "$0") starting with $(expr $# - 2) ISO image files ..." >&2
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existing_tempfiles=
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for i in $TEMPFILE_LIST
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do
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if test -e "$i"
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then
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existing_tempfiles="$existing_tempfiles $i"
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fi
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done
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if test -n "$existing_tempfiles"
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then
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echo "--- Some temporary files for this script already exist:" >&2
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echo "--- $existing_tempfiles" >&2
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echo "--- Will not overwrite them." >&2
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echo "--- Merge run aborted !" >&2
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exit 1
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fi
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# +++ From here on: Always call cleanup_and_end to perform exit +++
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trap cleanup_and_end EXIT
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RESULT_ISO="$1"
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check_single_word "$2" "result_iso" || cleanup_and_end 1
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if test -e "$RESULT_ISO"
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then
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echo "--- A file '${RESULT_ISO}' is already existing." >&2
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echo "--- Will not overwrite it by the resulting ISO image." >&2
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cleanup_and_end 1
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fi
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MOUNT_TEMPLATE="$2"
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check_single_word "$1" "mount_template" || cleanup_and_end 1
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x=$(dirname "$MOUNT_TEMPLATE")
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if test -d "$x"
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then
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dummy=dummy
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else
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echo "--- The parent directory of '${MOUNT_TEMPLATE}' does not exist." >&2
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cleanup_and_end 1
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fi
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shift 2
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ISO_LIST=
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mount_count=0
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for i in "$@"
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do
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mount_count=$(expr $mount_count + 1)
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check_single_word "$i" "iso$mount_count" || cleanup_and_end 1
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if test "$i" = "$RESULT_ISO"
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then
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echo "--- Arguments result_iso and iso$mount_count are equal:" >&2
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echo "--- '${i}'" >&2
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cleanup_and_end 1
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fi
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if echo "$ISO_LIST" | fgrep " $i " >/dev/null
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then
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echo "--- Duplicate file path given as argument iso$mount_count :" >&2
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echo "--- '${i}'" >&2
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cleanup_and_end 1
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fi
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x="${MOUNT_TEMPLATE}$mount_count"
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if test -d "$x"
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then
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dummy=dummy
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elif test -e "$x"
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then
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echo "--- A file '${x}' is already existing and not a directory." >&2
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echo "--- Cannot mount iso$mount_count ('${i}')" >&2
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cleanup_and_end 1
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fi
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ISO_LIST="$ISO_LIST $i "
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if test -z "$iso_1"
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then
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iso_1="$i"
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fi
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done
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echo "Arguments look acceptable." >&2
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## Mount and copy out the files which need to be changed
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echo >&2
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echo "Mounting ISO images if not yet mounted ..." >&2
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mount_count=0
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for i in $ISO_LIST
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do
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mount_count=$(expr $mount_count + 1)
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mount_point="${MOUNT_TEMPLATE}$mount_count"
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if test -d "$mount_point"
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then
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dummy=dummy
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else
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if mkdir "$mount_point"
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then
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RMDIR_LIST="$RMDIR_LIST $mount_point "
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else
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echo "--- Could not create directory '${mount_point}'." >&2
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echo "--- Cannot mount iso$mount_count ('${i}')" >&2
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cleanup_and_end 3
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fi
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fi
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do_mount=1
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if echo "$mount_point" | grep '^/' >/dev/null
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then
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x=$(mount | grep " $mount_point " | awk '{print $1}')
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elif echo "$mount_point" | grep '^./' >/dev/null
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then
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m=$(echo "$mount_point" | sed -e 's/^\.\///')
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x=$(mount | grep " $(pwd)/$m" | awk '{print $1}')
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else
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x=$(mount | grep " $(pwd)/$mount_point " | awk '{print $1}')
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fi
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if test -n "$x"
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then
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i1=$(ls -i "$x" | awk '{print $1}')
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i2=$(ls -i "$i" | awk '{print $1}')
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if test "$i1" = "$i2"
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then
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do_mount=0
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echo "Note: Found $i already mounted at $mount_point"
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fi
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fi
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if test "$do_mount" = 1
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then
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echo "Note: sudo mount $i $mount_point"
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if sudo mount "$i" "$mount_point"
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then
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dummy=dummy
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else
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echo "--- Could not mount '${i}' at '${mount_point}'." >&2
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cleanup_and_end 3
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fi
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UMOUNT_LIST="$UMOUNT_LIST $mount_point"
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fi
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MOUNT_LIST="$MOUNT_LIST $mount_point"
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done
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echo >&2
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echo "Copying dists directory and md5sum.txt from first ISO ..." >&2
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mount_point_1="$MOUNT_TEMPLATE"1
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if test -d "$mount_point_1/dists"
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then
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echo "Copying: $mount_point_1/dists to merged_dists" >&2
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if cp -a "$mount_point_1/dists" merged_dists
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then
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if chmod -R u+w merged_dists
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then
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dummy=dummy
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else
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echo "--- Could not chmod -R u+w merged_dists" >&2
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cleanup_and_end 3
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fi
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else
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echo "--- Could not copy /dists directory from first ISO." >&2
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cleanup_and_end 3
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fi
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else
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echo "--- First ISO does not contain a /dists directory." >&2
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cleanup_and_end 2
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fi
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echo "Copying: $mount_point_1/md5sum.txt to merged_md5sum.txt" >&2
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if cp -a "$mount_point_1/md5sum.txt" merged_md5sum.txt
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then
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if chmod u+w merged_md5sum.txt
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then
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dummy=dummy
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else
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echo "--- Could not chmod u+w merged_md5sum.txt" >&2
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cleanup_and_end 3
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fi
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else
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echo "--- Could not copy /md5sum.txt from first ISO." >&2
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cleanup_and_end 3
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fi
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## Helper functions
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# Put out the list of checksummed paths as listed in /dists/$dist/Release
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extract_checksum_paths() {
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mode=0
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cat "$1" | \
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while true
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do
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read x || break
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if test "$x" = "MD5Sum:" || test "$x" = "SHA1:" \
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|| test "$x" = "SHA256:" || test "$x" = "SHA512:"
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then
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if test "$mode" = 0
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then
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mode=1
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elif test "$mode" = 1
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then
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break
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fi
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elif test "$mode" = 1
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then
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echo "$x"
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fi
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done
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}
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# Put out the part before the first checksum field
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extract_release_head() {
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cat "$1" | \
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while true
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do
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read x || break
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if test "$x" = "MD5Sum:" || test "$x" = "SHA1:" \
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|| test "$x" = "SHA256:" || test "$x" = "SHA512:"
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then
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break
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fi
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echo "$x"
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done
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}
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## Determine which Debian release is on iso1
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echo >&2
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echo "Determining Debian release in first ISO ..." >&2
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dist=
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for i in $(ls -1d "$mount_point_1"/dists/*)
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do
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if test -d "$i"
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then
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if test -L "$i"
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then
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continue
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fi
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test -n "$dist" && dist="$dist "
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dist="${dist}$(basename $i)"
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fi
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done
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if test -z "$dist"
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then
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if test -z "$MERGE_FOR_DIST"
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then
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echo "--- Cannot determine Debian release from directories in /dists" >&2
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echo "--- (You may provide the release name as variable MERGE_FOR_DIST)" >&2
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echo >&2
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cleanup_and_end 2
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fi
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elif test "$(echo "$dist" | wc -w)" -gt 1
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then
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if test -z "$MERGE_FOR_DIST"
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then
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echo "--- More than one Debian release found in /dists: $dist" >&2
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echo "--- (You may provide the release name as variable MERGE_FOR_DIST)" >&2
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echo >&2
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cleanup_and_end 2
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fi
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fi
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if test -n "$MERGE_FOR_DIST"
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then
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echo "Note: Overriding release name '${dist}' by '${MERGE_FOR_DIST}'" >&2
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dist="$MERGE_FOR_DIST"
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fi
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if test -d "$mount_point_1"/dists/"$dist"
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then
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echo "Will work along $mount_point_1"/dists/"$dist"/Release >&2
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else
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echo "--- Cannot find directory $mount_point_1"/dists/"$dist" >&2
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cleanup_and_end 2
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fi
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for i in $MOUNT_LIST
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do
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if test -e "$i"/dists/"$dist"/Release
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then
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dummy=dummy
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else
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echo "--- Cannot find file $i"/dists/"$dist"/Release >&2
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echo "--- All participating ISOs must be installation ISOs of the same release." >&2
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cleanup_and_end 2
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fi
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done
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## Prepend info to /README.txt
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echo >&2
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echo "Composing new /README.txt ..." >&2
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if test -z "$MERGE_DATE"
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then
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MERGE_DATE=$(date +'%Y%m%d-%H:%M')
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fi
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printf 'Result of a run of %s at %s\r\n' \
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"$(basename $0)" "$MERGE_DATE" >temp_file
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printf 'Package pools and Packages lists were merged.\r\n' >>temp_file
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printf 'The other files stem from the first input ISO.\r\n' >>temp_file
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printf '\r\n' >>temp_file
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mount_count=0
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for i in $ISO_LIST
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do
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mount_count=$(expr $mount_count + 1)
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mount_point="${MOUNT_TEMPLATE}$mount_count"
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printf 'Input ISO: %s\r\n' "$i" >>temp_file
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head -2 "$mount_point"/README.txt >>temp_file
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printf '\r\n' >>temp_file
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done
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printf '%s%s\r\n' " --------------------------------------" \
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"----------------------------------------" >>temp_file
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printf '\r\n' >>temp_file
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cat "$mount_point_1"/README.txt >>temp_file
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mv temp_file merged_README.txt
|
||||
echo "Done." >&2
|
||||
|
||||
|
||||
## Merge package description files
|
||||
echo >&2
|
||||
echo "Merging package description files ..." >&2
|
||||
|
||||
# /md5sum.txt seems to be the only overall package list
|
||||
for i in $MOUNT_LIST
|
||||
do
|
||||
cat "$i"/md5sum.txt
|
||||
done | sort >merged_md5sum.txt
|
||||
|
||||
# Determine the files which are mentioned with checksum in main Release files
|
||||
path_list=$(for i in $MOUNT_LIST
|
||||
do
|
||||
extract_checksum_paths "$i"/dists/"$dist"/Release
|
||||
done | awk '{print $3}' | sort | uniq )
|
||||
|
||||
# Merge .gz files (Release should not be merged. Unclear what others need.)
|
||||
for i in $path_list
|
||||
do
|
||||
if echo "$i" | grep -v '.gz$' >/dev/null
|
||||
then
|
||||
continue
|
||||
fi
|
||||
|
||||
echo "Merging: merged_dists/${dist}/$i" >&2
|
||||
|
||||
# make missing directories in merged_dists/"$dist"/
|
||||
if test -e "$(dirname merged_dists/"$dist"/"$i")"
|
||||
then
|
||||
dummy=dummy
|
||||
else
|
||||
if mkdir -p "$(dirname merged_dists/"$dist"/"$i")"
|
||||
then
|
||||
dummy=dummy
|
||||
else
|
||||
echo "--- Cannot create directory $(dirname merged_dists/"$dist"/"$i")" >&2
|
||||
cleanup_and_end 3
|
||||
fi
|
||||
fi
|
||||
|
||||
test -e temp_file && rm temp_file
|
||||
for mount_point in $MOUNT_LIST
|
||||
do
|
||||
if test -e "$mount_point"/dists/"$dist"/"$i"
|
||||
then
|
||||
if test -e temp_file
|
||||
then
|
||||
if test -n "$(tail -1 temp_file)"
|
||||
then
|
||||
echo >>temp_file
|
||||
fi
|
||||
fi
|
||||
gunzip <"$mount_point"/dists/"$dist"/"$i" >>temp_file
|
||||
fi
|
||||
done
|
||||
if test -e temp_file
|
||||
then
|
||||
gzip <temp_file >merged_dists/"$dist"/"$i"
|
||||
rm temp_file
|
||||
fi
|
||||
|
||||
done
|
||||
|
||||
|
||||
## Update dists/"$dist"/Release
|
||||
echo >&2
|
||||
echo "Updating dists/${dist}/Release ..." >&2
|
||||
|
||||
extract_release_head merged_dists/"$dist"/Release >temp_file
|
||||
|
||||
# Re-create "MD5Sum:", "SHA1:", "SHA256:", "SHA512:" sections
|
||||
for cmd in md5sum sha1sum sha256sum sha512sum
|
||||
do
|
||||
if type "$cmd" >/dev/null
|
||||
then
|
||||
case "$cmd" in
|
||||
md5sum) echo "MD5Sum:" ;;
|
||||
sha1sum) echo "SHA1:" ;;
|
||||
sha256sum) echo "SHA256:" ;;
|
||||
sha512sum) echo "SHA512:" ;;
|
||||
esac
|
||||
for i in $path_list
|
||||
do
|
||||
file=merged_dists/"$dist"/"$i"
|
||||
if test -e "$file"
|
||||
then
|
||||
sum=$("$cmd" "$file" | awk '{print $1}')
|
||||
size=$(stat -c '%s' "$file")
|
||||
elif test -e "$file".gz
|
||||
then
|
||||
sum=$(gunzip <"$file".gz | "$cmd" | awk '{print $1}')
|
||||
size=$(gunzip <"$file".gz | wc -c)
|
||||
else
|
||||
continue
|
||||
fi
|
||||
list_path=$(echo "$file" | sed -e 's/^merged_dists\/'"$dist"'\///')
|
||||
printf ' %s %8ld %s\n' "$sum" "$size" "$list_path"
|
||||
done
|
||||
fi
|
||||
done >>temp_file
|
||||
|
||||
mv temp_file merged_dists/"$dist"/Release
|
||||
echo "Done." >&2
|
||||
|
||||
|
||||
## Produce the new ISO image
|
||||
echo >&2
|
||||
echo "Producing result ISO image ..." >&2
|
||||
|
||||
# Create file with list of pool -map commands for all but the first ISO
|
||||
for mount_point in $MOUNT_LIST
|
||||
do
|
||||
if test "$mount_point" = "$mount_point_1"
|
||||
then
|
||||
dummy=dummy
|
||||
echo "Planned as imported package pool : ${mount_point}/pool" >&2
|
||||
else
|
||||
echo "Planned for merging into package pool: ${mount_point}/pool" >&2
|
||||
echo " -map ${mount_point}/pool /pool" >>temp_file
|
||||
fi
|
||||
done
|
||||
|
||||
if test -z "$XORRISO"
|
||||
then
|
||||
XORRISO=xorriso
|
||||
fi
|
||||
|
||||
x=$(type -p "$XORRISO")
|
||||
if test -z "$x"
|
||||
then
|
||||
echo "Running as xorriso program: $XORRISO" >&2
|
||||
else
|
||||
echo "Running as xorriso program: $x" >&2
|
||||
fi
|
||||
echo >&2
|
||||
|
||||
if "$XORRISO" \
|
||||
-no_rc \
|
||||
-indev "$iso_1" \
|
||||
-outdev "$RESULT_ISO" \
|
||||
-options_from_file temp_file \
|
||||
-map merged_dists /dists \
|
||||
-map merged_md5sum.txt /md5sum.txt \
|
||||
-map merged_README.txt /README.txt \
|
||||
-chown_r 0 /dists /md5sum.txt /README.txt -- \
|
||||
-chgrp_r 0 /dists /md5sum.txt /README.txt -- \
|
||||
-chmod_r a-w /dists /md5sum.txt -- \
|
||||
-chmod_r a=r /README.txt -- \
|
||||
-boot_image any replay \
|
||||
-stdio_sync off \
|
||||
-padding included \
|
||||
-compliance no_emul_toc
|
||||
then
|
||||
echo "Run of xorriso program completed without error indication." >&2
|
||||
else
|
||||
echo "--- Run of xorriso program ends with problem indication." >&2
|
||||
cleanup_and_end 4
|
||||
fi
|
||||
|
||||
|
||||
## Finish
|
||||
|
||||
cleanup_and_end 0
|
||||
|
||||
BIN
test/merge_debian_isos.sig
Normal file
BIN
test/merge_debian_isos.sig
Normal file
Binary file not shown.
Loading…
Reference in New Issue
Block a user