From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/doc/book/tools/update-rustc.sh | 93 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100755 src/doc/book/tools/update-rustc.sh

(limited to 'src/doc/book/tools/update-rustc.sh')

diff --git a/src/doc/book/tools/update-rustc.sh b/src/doc/book/tools/update-rustc.sh
new file mode 100755
index 000000000..45a0ce4f6
--- /dev/null
+++ b/src/doc/book/tools/update-rustc.sh
@@ -0,0 +1,93 @@
+#!/bin/bash
+
+set -eu
+
+# Build the book before making any changes for comparison of the output.
+echo 'Building book into tmp/book-before before updating...'
+mdbook build -d tmp/book-before
+
+# Rustfmt all listings
+echo 'Formatting all listings...'
+find -s listings -name Cargo.toml -print0 | while IFS= read -r -d '' f; do
+    dir_to_fmt=$(dirname "$f")
+
+    # There are a handful of listings we don't want to rustfmt and skipping
+    # doesn't work; those will have a file in their directory that explains why.
+    if [ ! -f "${dir_to_fmt}/rustfmt-ignore" ]; then
+        cd "$dir_to_fmt"
+        cargo fmt --all && true
+        cd - > /dev/null
+    fi
+done
+
+# Get listings without anchor comments in tmp by compiling a release listings
+# artifact
+echo 'Generate listings without anchor comments...'
+cargo run --bin release_listings
+
+root_dir=$(pwd)
+
+echo 'Regenerating output...'
+# For any listings where we show the output,
+find -s listings -name output.txt -print0 | while IFS= read -r -d '' f; do
+    build_directory=$(dirname "$f")
+    full_build_directory="${root_dir}/${build_directory}"
+    full_output_path="${full_build_directory}/output.txt"
+    tmp_build_directory="tmp/${build_directory}"
+
+    cd "$tmp_build_directory"
+
+    # Save the previous compile time; we're going to keep it to minimize diff
+    # churn
+    compile_time=$(sed -E -ne 's/.*Finished (dev|test) \[unoptimized \+ debuginfo] target\(s\) in ([0-9.]*).*/\2/p' "${full_output_path}")
+
+    # Save the hash from the first test binary; we're going to keep it to
+    # minimize diff churn
+    test_binary_hash=$(sed -E -ne 's@.*Running [^[:space:]]+( [^[:space:]\(\)]+)? \(target/debug/deps/[^-]*-([^\s]*)\)@\2@p' "${full_output_path}" | head -n 1)
+
+    # Act like this is the first time this listing has been built
+    cargo clean
+
+    # Run the command in the existing output file
+    cargo_command=$(sed -ne 's/$ \(.*\)/\1/p' "${full_output_path}")
+
+    # Clear the output file of everything except the command
+    echo "$ ${cargo_command}" > "${full_output_path}"
+
+    # Regenerate the output and append to the output file. Turn some warnings
+    # off to reduce output noise, and use one test thread to get consistent
+    # ordering of tests in the output when the command is `cargo test`.
+    RUSTFLAGS="-A unused_variables -A dead_code" RUST_TEST_THREADS=1 $cargo_command >> "${full_output_path}" 2>&1 || true
+
+    # Set the project file path to the projects directory plus the crate name
+    # instead of a path to the computer of whoever is running this
+    sed -i '' -E -e 's@(Compiling|Checking) ([^\)]*) v0.1.0 (.*)@\1 \2 v0.1.0 (file:///projects/\2)@' "${full_output_path}"
+
+    # Restore the previous compile time, if there is one
+    if [ -n  "${compile_time}" ]; then
+        sed -i '' -E -e "s/Finished (dev|test) \[unoptimized \+ debuginfo] target\(s\) in [0-9.]*/Finished \1 [unoptimized + debuginfo] target(s) in ${compile_time}/" "${full_output_path}"
+    fi
+
+    # Restore the previous test binary hash, if there is one
+    if [ -n "${test_binary_hash}" ]; then
+        replacement='s@Running ([^[:space:]]+)( [^[:space:]\(\)]+)? \(target/debug/deps/([^-]*)-([^\s]*)\)@Running \1\2 (target/debug/deps/\3-'
+        replacement+="${test_binary_hash}"
+        replacement+=')@g'
+        sed -i '' -E -e "${replacement}" "${full_output_path}"
+    fi
+
+    # Clean again
+    cargo clean
+
+    cd - > /dev/null
+done
+
+# Build the book after making all the changes
+echo 'Building book into tmp/book-after after updating...'
+mdbook build -d tmp/book-after
+
+# Run the megadiff script that removes all files that are the same, leaving only files to audit
+echo 'Removing tmp files that had no changes from the update...'
+./tools/megadiff.sh
+
+echo 'Done.'
-- 
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