DLPX-93326 Add package containing rust source files

[prakashsurya]

Problem:

The linux kernel on new versions of Ubuntu requires rust source files to build, but we don't currently provide a package to distribute those source files on an appliance.

Solution:

This PR adds a new "delphix-rust-src" package that contains the rust source files that match the "delphix-rust" binary package.

Testing

• Built the package via automation, verified both packages built and uploaded:

$ aws s3 ls s3://dev-de-images/builds/jenkins-selfservice/linux-pkg/develop/build-package/delphix-rust/pre-push/39/
2025-02-07 23:45:47        154 BUILD_INFO
2025-02-07 23:45:47         41 GIT_HASH
2025-02-07 23:45:47         64 PACKAGE_MIRROR_URL_MAIN
2025-02-07 23:45:47         62 PACKAGE_MIRROR_URL_SECONDARY
2025-02-07 23:45:47        583 SHA256SUMS
2025-02-07 23:45:47  473107120 delphix-rust-src_1.0.0-1delphix.2025.02.07.22.58_amd64.deb
2025-02-07 23:45:48  224471420 delphix-rust_1.0.0-1delphix.2025.02.07.22.58_amd64.deb

• Downloaded and installed both packages on a DE:

$ sudo apt-get install ./delphix-rust-src_1.0.0-1delphix.2025.02.07.22.58_amd64.deb ./delphix-rust_1.0.0-1delphix.2025.02.07.22.58_amd64.deb
Reading package lists... Done
Building dependency tree
Reading state information... Done
Note, selecting 'delphix-rust-src' instead of './delphix-rust-src_1.0.0-1delphix.2025.02.07.22.58_amd64.deb'
Note, selecting 'delphix-rust' instead of './delphix-rust_1.0.0-1delphix.2025.02.07.22.58_amd64.deb'
The following NEW packages will be installed:
  delphix-rust-src
The following packages will be upgraded:
  delphix-rust
1 upgraded, 1 newly installed, 0 to remove and 9 not upgraded.
Need to get 0 B/698 MB of archives.
After this operation, 4,250 MB of additional disk space will be used.
...
Preparing to unpack .../delphix-rust_1.0.0-1delphix.2025.02.07.22.58_amd64.deb ...
Unpacking delphix-rust (1.0.0-1delphix.2025.02.07.22.58) over (1.0.0-1delphix.2025.02.05.22.33) ...
Selecting previously unselected package delphix-rust-src.
Preparing to unpack .../delphix-rust-src_1.0.0-1delphix.2025.02.07.22.58_amd64.deb ...
Unpacking delphix-rust-src (1.0.0-1delphix.2025.02.07.22.58) ...
...

• Verified the contents of both packages after install:

$ dpkg -L delphix-rust | head -n20
/.
/usr
/usr/bin
/usr/bin/cargo
/usr/bin/cargo-clippy
/usr/bin/cargo-fmt
/usr/bin/clippy-driver
/usr/bin/rls
/usr/bin/rust-analyzer
/usr/bin/rust-gdb
/usr/bin/rust-gdbgui
/usr/bin/rust-lldb
/usr/bin/rustc
/usr/bin/rustdoc
/usr/bin/rustfmt
/usr/etc
/usr/etc/bash_completion.d
/usr/etc/bash_completion.d/cargo
/usr/lib
/usr/lib/libLLVM-19-rust-1.84.1-stable.so

$ dpkg -L delphix-rust-src | head -n20
/.
/usr
/usr/share
/usr/share/doc
/usr/share/doc/delphix-rust-src
/usr/share/doc/delphix-rust-src/changelog.Debian.gz
/usr/share/doc/delphix-rust-src/copyright
/usr/src
/usr/src/rustc-1.84.1
/usr/src/rustc-1.84.1/.cargo
/usr/src/rustc-1.84.1/.cargo/config.toml
/usr/src/rustc-1.84.1/.gitmodules
/usr/src/rustc-1.84.1/CONTRIBUTING.md
/usr/src/rustc-1.84.1/COPYRIGHT
/usr/src/rustc-1.84.1/Cargo.lock
/usr/src/rustc-1.84.1/Cargo.toml
/usr/src/rustc-1.84.1/LICENSE-APACHE
/usr/src/rustc-1.84.1/LICENSE-MIT
/usr/src/rustc-1.84.1/README.md
/usr/src/rustc-1.84.1/RELEASES.md

[tonynguien]

Looks good!