warpfork · August 23, 2024 11:28
diff --git a/rustget b/rustget
 #!/bin/bash
 #
 # The short shell script for you who wants an installer that does the job and stops.
 # (And thus doesn't want anything to do with rustup.)
 #

 # Find the latest rust version numbers by looking at
 #	https://forge.rust-lang.org/infra/other-installation-methods.html
 # You'll need to give that number as an argument.

 set -euo pipefail

 VERSION=${1?"version number must be provided as arg 1"}
 ARCHISH=${2:-"x86_64-unknown-linux-gnu"}

 function progress {
 	>&2 printf "\033[33m%s\033[m\n" "$@"
 }

 mkdir -p /tmp/rustget
 cd /tmp/rustget

 # Get the stuff.
 mkdir -p rust-installer-archives
 (cd rust-installer-archives
 	progress "Downloading tarballs..."
 	# This is the actual binaries that you want.
 	[ -f "rust-${VERSION}-${ARCHISH}.tar.gz" ] || wget https://static.rust-lang.org/dist/rust-${VERSION}-${ARCHISH}.tar.gz
 	# This contains the stdlib source (and a bunch of other stuff we don't need) which is needed by rust-analyzer to have a good day.
 	[ -f "rustc-${VERSION}-src.tar.gz" ] || wget https://static.rust-lang.org/dist/rustc-${VERSION}-src.tar.gz
 )

 # Unpack most of the stuff.
 mkdir -p rust-${VERSION}-${ARCHISH}
 (cd rust-${VERSION}-${ARCHISH}
 	progress "Extracting binaries..."
 	# Extract the tarball.
 	tar -xf ../rust-installer-archives/rust-${VERSION}-${ARCHISH}.tar.gz
 	# The tarball contains a single directory that's very redundant, so let's do away with that.
 	mv rust-${VERSION}-${ARCHISH}/* . ; rmdir rust-${VERSION}-${ARCHISH}/
 	# Put all the files where they actually should be relative to each other.
 	# Basically, move everything up one directory.  (This is so silly.  But this is how they package Rust.)
 	progress "Rearranging files..."
 	for x in */; do (cd $x && find -type d | xargs -I{} -- mkdir -p ../{} && find -type f,l | xargs -I{} mv {} ../{}) && rm -r $x; done
 	# Make the directory that we're going to drop the stdlib source into, for rust-analyzer to find it.
 	mkdir -p lib/rustlib/src/rust/
 	progress "Main extraction and rearrangement done."
 )

 # Unpack the stdlib sources, put them in the right place, and throw away the rest.
 mkdir -p sillysauce
 (cd sillysauce
 	progress "Extracting stdlib source..."
 	# Extract this tarball that contains all the stdlib source... and all the rustc source, and all the test data, and a million other things we _don't need_.
 	# Ask tar to extract just the library dir, which contains that stdlib source.
 	tar -xf ../rust-installer-archives/rustc-${VERSION}-src.tar.gz rustc-${VERSION}-src/library/
 	# Move it to the place rust-analyzer will expect it.
 	progress "Rearranging stdlib source to where it's expected..."
 	mv rustc-${VERSION}-src/library ../rust-${VERSION}-${ARCHISH}/lib/rustlib/src/rust/
 	rmdir *
 )
 rmdir sillysauce

 progress "Done!"
 # Done!
 # You can now add `rust-${VERSION}-${ARCHISH}/bin` to your $PATH, and it DTRT!
 # You can keep or throw away the rust-installer-archives dir, as you wish.
	#!/bin/bash
	#
	# The short shell script for you who wants an installer that does the job and stops.
	# (And thus doesn't want anything to do with rustup.)
	#

	# Find the latest rust version numbers by looking at
	# https://forge.rust-lang.org/infra/other-installation-methods.html
	# You'll need to give that number as an argument.

	set -euo pipefail

	VERSION=${1?"version number must be provided as arg 1"}
	ARCHISH=${2:-"x86_64-unknown-linux-gnu"}

	function progress {
	>&2 printf "\033[33m%s\033[m\n" "$@"
	}

	mkdir -p /tmp/rustget
	cd /tmp/rustget

	# Get the stuff.
	mkdir -p rust-installer-archives
	(cd rust-installer-archives
	progress "Downloading tarballs..."
	# This is the actual binaries that you want.
	[ -f "rust-${VERSION}-${ARCHISH}.tar.gz" ] \|\| wget https://static.rust-lang.org/dist/rust-${VERSION}-${ARCHISH}.tar.gz
	# This contains the stdlib source (and a bunch of other stuff we don't need) which is needed by rust-analyzer to have a good day.
	[ -f "rustc-${VERSION}-src.tar.gz" ] \|\| wget https://static.rust-lang.org/dist/rustc-${VERSION}-src.tar.gz
	)

	# Unpack most of the stuff.
	mkdir -p rust-${VERSION}-${ARCHISH}
	(cd rust-${VERSION}-${ARCHISH}
	progress "Extracting binaries..."
	# Extract the tarball.
	tar -xf ../rust-installer-archives/rust-${VERSION}-${ARCHISH}.tar.gz
	# The tarball contains a single directory that's very redundant, so let's do away with that.
	mv rust-${VERSION}-${ARCHISH}/* . ; rmdir rust-${VERSION}-${ARCHISH}/
	# Put all the files where they actually should be relative to each other.
	# Basically, move everything up one directory. (This is so silly. But this is how they package Rust.)
	progress "Rearranging files..."
	for x in */; do (cd $x && find -type d \| xargs -I{} -- mkdir -p ../{} && find -type f,l \| xargs -I{} mv {} ../{}) && rm -r $x; done
	# Make the directory that we're going to drop the stdlib source into, for rust-analyzer to find it.
	mkdir -p lib/rustlib/src/rust/
	progress "Main extraction and rearrangement done."
	)

	# Unpack the stdlib sources, put them in the right place, and throw away the rest.
	mkdir -p sillysauce
	(cd sillysauce
	progress "Extracting stdlib source..."
	# Extract this tarball that contains all the stdlib source... and all the rustc source, and all the test data, and a million other things we _don't need_.
	# Ask tar to extract just the library dir, which contains that stdlib source.
	tar -xf ../rust-installer-archives/rustc-${VERSION}-src.tar.gz rustc-${VERSION}-src/library/
	# Move it to the place rust-analyzer will expect it.
	progress "Rearranging stdlib source to where it's expected..."
	mv rustc-${VERSION}-src/library ../rust-${VERSION}-${ARCHISH}/lib/rustlib/src/rust/
	rmdir *
	)
	rmdir sillysauce

	progress "Done!"
	# Done!
	# You can now add `rust-${VERSION}-${ARCHISH}/bin` to your $PATH, and it DTRT!
	# You can keep or throw away the rust-installer-archives dir, as you wish.