mirror of
https://gitee.com/openharmony/third_party_libbpf
synced 2024-10-07 14:33:35 +00:00
63c78982c7
Ensure that corrupted tar archive won't screw up build. Signed-off-by: Andrii Nakryiko <andriin@fb.com>
38 lines
1.1 KiB
Bash
Executable File
38 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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set -eux
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CWD=$(pwd)
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LIBBPF_PATH=$(pwd)
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REPO_PATH=$1
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BPF_NEXT_ORIGIN=https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git
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LINUX_SHA=$(cat ${LIBBPF_PATH}/CHECKPOINT-COMMIT)
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SNAPSHOT_URL=https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/snapshot/bpf-next-${LINUX_SHA}.tar.gz
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echo REPO_PATH = ${REPO_PATH}
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echo LINUX_SHA = ${LINUX_SHA}
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if [ ! -d "${REPO_PATH}" ]; then
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mkdir -p $(dirname "${REPO_PATH}")
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cd $(dirname "${REPO_PATH}")
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# attempt to fetch desired bpf-next repo snapshot
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if wget ${SNAPSHOT_URL} && tar xf bpf-next-${LINUX_SHA}.tar.gz ; then
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mv bpf-next-${LINUX_SHA} $(basename ${REPO_PATH})
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else
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# but fallback to git fetch approach if that fails
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mkdir -p $(basename ${REPO_PATH})
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cd $(basename ${REPO_PATH})
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git init
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git remote add bpf-next ${BPF_NEXT_ORIGIN}
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# try shallow clone first
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git fetch --depth 32 bpf-next
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# check if desired SHA exists
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if ! git cat-file -e ${LINUX_SHA}^{commit} ; then
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# if not, fetch all of bpf-next; slow and painful
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git fetch bpf-next
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fi
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git reset --hard ${LINUX_SHA}
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fi
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fi
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