mirror of
https://github.com/git-for-windows/git.git
synced 2026-06-13 00:50:13 -05:00
4f84febe5a
This is a follow up to #5157 as well as motivated by the RFC in gitgitgadget/git#1786. We have ways of walking all objects, but it is focused on visiting a single commit and then expanding the new trees and blobs reachable from that commit that have not been visited yet. This means that objects arrive without any locality based on their path. Add a new "path walk API" that focuses on walking objects in batches according to their type and path. This will walk all annotated tags, all commits, all root trees, and then start a depth-first search among all paths in the repo to collect trees and blobs in batches. The most important application for this is being fast-tracked to Git for Windows: `git pack-objects --path-walk`. This application of the path walk API discovers the objects to pack via this batched walk, and automatically groups objects that appear at a common path so they can be checked for delta comparisons. This use completely avoids any name-hash collisions (even the collisions that sometimes occur with the new `--full-name-hash` option) and can be much faster to compute since the first pass of delta calculations does not waste time on objects that are unlikely to be diffable. Some statistics are available in the commit messages.
82 lines
1.8 KiB
Bash
Executable File
82 lines
1.8 KiB
Bash
Executable File
#!/bin/sh
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#
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# Build and test Git
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#
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. ${0%/*}/lib.sh
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run_tests=t
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case "$jobname" in
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linux-breaking-changes)
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export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
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export WITH_BREAKING_CHANGES=YesPlease
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;;
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linux-TEST-vars)
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export OPENSSL_SHA1_UNSAFE=YesPlease
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export GIT_TEST_SPLIT_INDEX=yes
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export GIT_TEST_FULL_IN_PACK_ARRAY=true
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export GIT_TEST_OE_SIZE=10
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export GIT_TEST_OE_DELTA_SIZE=5
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export GIT_TEST_COMMIT_GRAPH=1
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export GIT_TEST_COMMIT_GRAPH_CHANGED_PATHS=1
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export GIT_TEST_MULTI_PACK_INDEX=1
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export GIT_TEST_MULTI_PACK_INDEX_WRITE_INCREMENTAL=1
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export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=master
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export GIT_TEST_NO_WRITE_REV_INDEX=1
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export GIT_TEST_CHECKOUT_WORKERS=2
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export GIT_TEST_PACK_USE_BITMAP_BOUNDARY_TRAVERSAL=1
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export GIT_TEST_PACK_PATH_WALK=1
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;;
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linux-clang)
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export GIT_TEST_DEFAULT_HASH=sha1
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;;
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linux-sha256)
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export GIT_TEST_DEFAULT_HASH=sha256
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;;
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linux-reftable|linux-reftable-leaks|osx-reftable)
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export GIT_TEST_DEFAULT_REF_FORMAT=reftable
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;;
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pedantic)
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# Don't run the tests; we only care about whether Git can be
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# built.
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export DEVOPTS=pedantic
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run_tests=
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;;
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esac
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case "$jobname" in
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*-meson)
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group "Configure" meson setup build . \
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--fatal-meson-warnings \
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--warnlevel 2 --werror \
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--wrap-mode nofallback \
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-Dfuzzers=true \
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-Dtest_output_directory="${TEST_OUTPUT_DIRECTORY:-$(pwd)/t}" \
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$MESONFLAGS
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group "Build" meson compile -C build --
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if test -n "$run_tests"
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then
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group "Run tests" meson test -C build --print-errorlogs --test-args="$GIT_TEST_OPTS" || (
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./t/aggregate-results.sh "${TEST_OUTPUT_DIRECTORY:-t}/test-results"
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handle_failed_tests
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)
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fi
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;;
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*)
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group Build make
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if test -n "$run_tests"
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then
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group "Run tests" make test ||
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handle_failed_tests
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fi
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;;
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esac
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case " $MAKE_TARGETS " in
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*" all "*) make -C contrib/subtree test;;
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esac
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check_unignored_build_artifacts
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save_good_tree
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