Change Details

> xorriso and its mkisofs/genisoimage emulation alter-ego xorrisofs are > more maintained, and has the right toggles for us to achieve output > determinism without using blunt tools like faketime. > > In this commit, we use xorrisofs from the build environment rather than > building it ourselves using depends. This is not necessary and can be > changed in the future. > > From https://wiki.debian.org/genisoimage?action=recall&rev=11 : > > > The classical command line interface for production of ISO 9660 > > filesystem images is the option set established by program mkisofs. > > For reasons of licensing and other problems with its author, Debian > > ships a fork of mkisofs, called genisoimage, which was split off in > > 2006 and then developed independently. > > > > Meanwhile, genisoimage gets no new features and not even bug fixes. It > > is first choice only if its options -udf or -hfs are needed. > > > > Replacement in most uses cases, especially for bootable ISO 9660 > > filesystems, archiving, and backup, is xorrisofs which starts the -as > > mkisofs emulation mode of program xorriso. This is a backport of [[https://github.com/bitcoin/bitcoin/pull/20470 | core#20470]] and [[https://github.com/bitcoin/bitcoin/pull/20985 | core#20985]]

> xorriso and its mkisofs/genisoimage emulation alter-ego xorrisofs are > more maintained, and has the right toggles for us to achieve output > determinism without using blunt tools like faketime. > > In this commit, we use xorrisofs from the build environment rather than > building it ourselves using depends. This is not necessary and can be > changed in the future. > > From https://wiki.debian.org/genisoimage?action=recall&rev=11 : > > > The classical command line interface for production of ISO 9660 > > filesystem images is the option set established by program mkisofs. > > For reasons of licensing and other problems with its author, Debian > > ships a fork of mkisofs, called genisoimage, which was split off in > > 2006 and then developed independently. > > > > Meanwhile, genisoimage gets no new features and not even bug fixes. It > > is first choice only if its options -udf or -hfs are needed. > > > > Replacement in most uses cases, especially for bootable ISO 9660 > > filesystems, archiving, and backup, is xorrisofs which starts the -as > > mkisofs emulation mode of program xorriso. This is also necessary for Guix to achieve determinism without using faketime. This is a backport of [[https://github.com/bitcoin/bitcoin/pull/20470 | core#20470]] and [[https://github.com/bitcoin/bitcoin/pull/20985 | core#20985]]

> xorriso and its mkisofs/genisoimage emulation alter-ego xorrisofs are > more maintained, and has the right toggles for us to achieve output > determinism without using blunt tools like faketime. > > In this commit, we use xorrisofs from the build environment rather than > building it ourselves using depends. This is not necessary and can be > changed in the future. > > From https://wiki.debian.org/genisoimage?action=recall&rev=11 : > > > The classical command line interface for production of ISO 9660 > > filesystem images is the option set established by program mkisofs. > > For reasons of licensing and other problems with its author, Debian > > ships a fork of mkisofs, called genisoimage, which was split off in > > 2006 and then developed independently. > > > > Meanwhile, genisoimage gets no new features and not even bug fixes. It > > is first choice only if its options -udf or -hfs are needed. > > > > Replacement in most uses cases, especially for bootable ISO 9660 > > filesystems, archiving, and backup, is xorrisofs which starts the -as > > mkisofs emulation mode of program xorriso. This is also necessary for Guix to achieve determinism without using faketime. This is a backport of [[https://github.com/bitcoin/bitcoin/pull/20470 | core#20470]] and [[https://github.com/bitcoin/bitcoin/pull/20985 | core#20985]]