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+# /bin/bash -uv
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+#
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+# Build kzip files (source files for the indexing pipeline) for the given configuration,
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+# merge them and place the resulting all.kzip into $DIST_DIR.
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+# It is assumed that the current directory is the top of the source tree.
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+# The following enviromnet variables affect the result:
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+# TARGET_PRODUCT target device name, e.g., `aosp_blueline`
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+# TARGET_BUILD_VARIANT variant, e.g., `userdebug`
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+# OUT_DIR where the build is happening (./out if not specified)
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+# DIST_DIR where the resulting all.kzip will be placed
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+# XREF_CORPUS source code repository URI, e.g.,
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+# `android.googlesource.com/platform/superproject`
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+
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+# The extraction might fail for some source files, so run with -k
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+build/soong/soong_ui.bash --build-mode --all-modules --dir=$PWD -k merge_zips xref_cxx xref_java
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+
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+# We build with -k, so check that we have generated at least 100K files
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+# (the actual number is 180K+)
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+declare -r kzip_count=$(find $OUT_DIR -name '*.kzip' | wc -l)
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+(($kzip_count>100000)) || { printf "Too few kzip files were generated: %d\n" $kzip_count; exit 1; }
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+
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+# Pack
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+# TODO(asmundak): this should be done by soong.
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+declare -r allkzip=all.kzip
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+"$OUT_DIR/soong/host/linux-x86/bin/merge_zips" "$DIST_DIR/$allkzip" @<(find $OUT_DIR -name '*.kzip')
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