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63 lines
2.1 KiB
63 lines
2.1 KiB
#!/bin/sh
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if [ "$1" == --prepare ]; then
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PREPARE=1
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fi
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name='below'
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specfile="rust-${name}.spec"
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version=$(rpm -q --qf '%{VERSION}\n' --specfile "$specfile" | head -1)
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nv="${name}-${version}"
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crate="${nv}.crate"
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vendor_tarball="${nv}-vendor.tar.gz"
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if [ -f "$vendor_tarball" ]; then
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echo "${vendor_tarball} already exists, aborting"
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exit 1
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fi
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[ -f "$crate" ] || spectool -g "$specfile"
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tardir="$PWD"
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workdir=$(mktemp -d)
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if [ ! -n "$PREPARE" ]; then
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trap 'rm -rf "$workdir"' EXIT
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fi
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# All the below crates use edition 2021, which isn't supported by rust in el8;
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# moreover, libbpf-rs and libbpf-cargo transitively depend on libbpf 0.5.0, and
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# el8 ships 0.4.0.
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#
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# So we cheat:
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# - below-fix-metadata.diff (which is applied in %prep) downgrades the edition
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# for below and sets up all the other crates to be replaced with patched
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# versions under patched-crates/
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# - below-patched-crates.patch contains the actual modifications of the patched
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# crates (mostly the edition downgrades, a few pins and a couple of build
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# fixes)
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#
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# We then build the vendored tarball as follows:
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# - unpack the below crate and vendor
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# - foreach patched crate, move it from vendor/ to patched-crates/
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# - delete vendor/ as it's no longer needed, and so we can vendor again later
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# - apply the two patches, to fix the below metadata and the patched crates
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# - run vendor again, and then tar up *both* patched-crates/ and vendor/
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tar xvzf "$tardir/$crate" -C "$workdir"
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(cd "${workdir}/${nv}" && cargo vendor)
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mkdir "${workdir}/${nv}/patched-crates"
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for c in below_derive below-common below-config below-dump below-model below-render below-store below-view cgroupfs fb_procfs libbpf-cargo libbpf-rs; do
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mv "${workdir}/${nv}/vendor/${c}" "${workdir}/${nv}/patched-crates/"
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done
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rm -r "${workdir}/${nv}/vendor"
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(cd "${workdir}/${nv}" && patch -p1 < ${tardir}/below-fix-metadata.diff)
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if [ -n "$PREPARE" ]; then
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echo "Go to ${workdir} and update the patch"
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exit 1
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else
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(cd "${workdir}/${nv}" && \
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patch -p1 < ${tardir}/below-patched-crates.patch && \
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cargo vendor && \
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tar cvzf "${tardir}/${vendor_tarball}" patched-crates/ vendor/)
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fi
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exit 0
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