78 lines
2.0 KiB
Diff
78 lines
2.0 KiB
Diff
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From 052d24d8217c51c572c2f6cbb4a687be2e8ba52d Mon Sep 17 00:00:00 2001
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From: Brice Waegeneire <brice@waegenei.re>
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Date: Fri, 5 Jun 2020 14:38:43 +0200
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Subject: [PATCH] [geniso] Make it reproducible
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Some timestamps get embedded in the generated ISO, making it
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unreproducible so we overwrite those timestamps to be at the UNIX epoch.
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---
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src/util/geniso | 24 +++++++++++++++++++++---
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1 file changed, 21 insertions(+), 3 deletions(-)
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diff --git a/src/util/geniso b/src/util/geniso
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index ff090d4a..e032ffb0 100755
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--- a/src/util/geniso
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+++ b/src/util/geniso
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@@ -11,6 +11,13 @@ function help() {
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echo " -o FILE save iso image to file"
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}
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+function reset_timestamp() {
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+ for f in "$1"/*; do
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+ touch -t 197001010100 "$f"
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+ done
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+ touch -t 197001010100 "$1"
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+}
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+
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LEGACY=0
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FIRST=""
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@@ -37,8 +44,9 @@ if [ -z "${OUT}" ]; then
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exit 1
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fi
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-# There should either be mkisofs or the compatible genisoimage program
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-for command in genisoimage mkisofs; do
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+# There should either be mkisofs, xorriso or the compatible genisoimage
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+# program
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+for command in xorriso genisoimage mkisofs; do
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if ${command} --version >/dev/null 2>/dev/null; then
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mkisofs=(${command})
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break
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@@ -46,8 +54,10 @@ for command in genisoimage mkisofs; do
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done
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if [ -z "${mkisofs}" ]; then
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- echo "${0}: mkisofs or genisoimage not found, please install or set PATH" >&2
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+ echo "${0}: mkisofs, xorriso or genisoimage not found, please install or set PATH" >&2
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exit 1
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+elif [ "$mkisofs" = "xorriso" ]; then
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+ mkisofs+=(-as mkisofs)
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fi
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dir=$(mktemp -d bin/iso.dir.XXXXXX)
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@@ -115,6 +125,8 @@ case "${LEGACY}" in
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exit 1
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fi
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+ reset_timestamp "$dir"
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+
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# generate the iso image
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"${mkisofs[@]}" -b boot.img -output ${OUT} ${dir}
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;;
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@@ -127,6 +139,12 @@ case "${LEGACY}" in
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cp ${LDLINUX_C32} ${dir}
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fi
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+ reset_timestamp "$dir"
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+
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+ if [ "${mkisofs[0]}" = "xorriso" ]; then
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+ mkisofs+=(-isohybrid-mbr "$SYSLINUX_MBR_DISK_PATH")
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+ fi
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+
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# generate the iso image
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"${mkisofs[@]}" -b isolinux.bin -no-emul-boot -boot-load-size 4 -boot-info-table -output ${OUT} ${dir}
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--
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2.26.2
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