use git shallow copy

.cargo/config.toml

 [alias]
-sanity-gdev = "test -p duniter-live-tests --test sanity_gdev -- --nocapture"
-tu = "test --workspace --exclude duniter-end2end-tests --exclude duniter-live-tests --features constant-fees"
+sanity-gdev = "test -Zgit=shallow-deps -p duniter-live-tests --test sanity_gdev -- --nocapture"
+tu = "test -Zgit=shallow-deps --workspace --exclude duniter-end2end-tests --exclude duniter-live-tests --features constant-fees"
 # `te` and `cucumber` are synonyms
 te = "test -p duniter-end2end-tests --test cucumber_tests --features constant-fees --"
-cucumber-build = "build --features constant-fees"
-cucumber = "test -p duniter-end2end-tests --test cucumber_tests --"
-ta = "test --workspace --exclude duniter-live-tests --features constant-fees"
-tb = "test --features runtime-benchmarks -p"
-rbp = "run --release --features runtime-benchmarks -- benchmark pallet --chain=dev --steps=50 --repeat=20 --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --header=./file_header.txt --output=. --pallet"
-xtask = "run --package xtask --"
-cucumber-node = "run -- --chain=gdev_dev --execution=Native --sealing=manual --force-authoring --rpc-cors=all --tmp --ws-port 9944 --alice --features constant-fees"
+cucumber-build = "build -Zgit=shallow-deps --features constant-fees"
+cucumber = "test -Zgit=shallow-deps -p duniter-end2end-tests --test cucumber_tests --"
+ta = "test -Zgit=shallow-deps --workspace --exclude duniter-live-tests --features constant-fees"
+tb = "test -Zgit=shallow-deps --features runtime-benchmarks -p"
+rbp = "run -Zgit=shallow-deps --release --features runtime-benchmarks -- benchmark pallet --chain=dev --steps=50 --repeat=20 --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --header=./file_header.txt --output=. --pallet"
+xtask = "run -Zgit=shallow-deps --package xtask --"
+cucumber-node = "run -Zgit=shallow-deps -- --chain=gdev_dev --execution=Native --sealing=manual --force-authoring --rpc-cors=all --tmp --ws-port 9944 --alice --features constant-fees"

.gitlab-ci.yml

@@ -73,7 +73,7 @@ fmt_and_clippy:
   - cargo fmt -- --version
   - cargo fmt -- --check
   - cargo clippy -- -V
-    - cargo clippy --features runtime-benchmarks --all --tests -- -D warnings
+  - cargo clippy -Zgit=shallow-deps --features runtime-benchmarks --all --tests -- -D warnings
 
 run_benchmarks:
   extends: .env
@@ -86,7 +86,7 @@ run_benchmarks:
     - if: '$CI_MERGE_REQUEST_ID || $CI_COMMIT_BRANCH == "master"'
     - when: manual
   script:
-    - cargo build --release --features runtime-benchmarks
+    - cargo build -Zgit=shallow-deps --release --features runtime-benchmarks
     - target/release/duniter benchmark storage --chain=dev --mul=2 --state-version=1
     - target/release/duniter benchmark overhead --chain=dev --wasm-execution=compiled --warmup=1 --repeat=100
     - target/release/duniter benchmark pallet --chain=dev --steps=5 --repeat=2 --pallet="*" --extrinsic="*" --wasm-execution=compiled
@@ -108,7 +108,7 @@ gdev_build:
   script:
     - apt-get update
     - apt-get install -y clang cmake protobuf-compiler
-    - cargo build --no-default-features --features gtest
+    - cargo build -Zgit=shallow-deps --no-default-features --features gtest
 
 gdev_srtool_build:
   stage: build
@@ -316,8 +316,8 @@ create_g1_data:
   script:
     - apt-get update
     - apt-get install -y clang cmake protobuf-compiler
-    - cargo run ${FEATURES} -- build-spec --chain=${RUNTIME}_live > release/${RUNTIME}.json
-    - cargo run ${FEATURES} -- build-spec --chain=release/${RUNTIME}.json --disable-default-bootnode --raw > release/${RUNTIME}-raw.json
+    - cargo run -Zgit=shallow-deps ${FEATURES} -- build-spec --chain=${RUNTIME}_live > release/${RUNTIME}.json
+    - cargo run -Zgit=shallow-deps ${FEATURES} -- build-spec --chain=release/${RUNTIME}.json --disable-default-bootnode --raw > release/${RUNTIME}-raw.json
     - cp node/specs/${RUNTIME}_client-specs.yaml release/
   artifacts:
     expire_in: never

docker/Dockerfile

@@ -48,8 +48,8 @@ ARG chain="gdev"
 RUN set -x && \
     cat /root/dynenv && \
     . /root/dynenv && \
-    cargo build --locked $CARGO_OPTIONS --no-default-features $BENCH_OPTIONS --features $chain --target "$RUST_ARCH_TRIPLET" && \
-    cargo build --locked $CARGO_OPTIONS --target "$RUST_ARCH_TRIPLET" --package distance-oracle && \
+    cargo build -Zgit=shallow-deps --locked $CARGO_OPTIONS --no-default-features $BENCH_OPTIONS --features $chain --target "$RUST_ARCH_TRIPLET" && \
+    cargo build -Zgit=shallow-deps --locked $CARGO_OPTIONS --target "$RUST_ARCH_TRIPLET" --package distance-oracle && \
     mkdir -p build && \
     mv target/$RUST_ARCH_TRIPLET/$TARGET_FOLDER/duniter build/ && \
     mv target/$RUST_ARCH_TRIPLET/$TARGET_FOLDER/distance-oracle build/
@@ -58,7 +58,7 @@ RUN set -x && \
 ARG cucumber=0
 RUN if [ "$cucumber" != 0 ] && [ "$TARGETPLATFORM" = "$BUILDPLATFORM" ]; then \
         cargo ta && \
-        cargo test --workspace --exclude duniter-end2end-tests --exclude duniter-live-tests --features=runtime-benchmarks,constant-fees \
+        cargo test -Zgit=shallow-deps --workspace --exclude duniter-end2end-tests --exclude duniter-live-tests --features=runtime-benchmarks,constant-fees \
         cd target/debug/deps/ && \
         rm cucumber_tests-*.d && \
         mv cucumber_tests* ../../../build/duniter-cucumber; \

docs/dev/upgrade-substrate.md

@@ -10,6 +10,8 @@ ParityTech frequently releases upgrades of the polkadot-sdk. For each upgrade, D
 * Create a new branch: `git checkout -b duniter-polkadot-v1.9.0`
 * Rebase the branch, keeping only specific commits: "fix treasury benchmarks when no SpendOrigin", "allow manual seal to produce non-empty blocks with BABE", "add custom pallet-balance GenesisConfig", and "remove pallet-balances upgrade_account extrinsic".
 * Push the new branch: `git push`
+* Create the lightweight branch that drops the non-Substrate parts of the repository using the command `git subtree split --prefix substrate/ --branch duniter-substrate-light-v1.9.0`.
+* Checkout and push the new branch.
 
 ## 2. Upgrade duniter subxt