48 lines
1.1 KiB
Bash
Executable File
48 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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# We want to catch any command failure, and exit immediately
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set -e
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# Download helper for cvs
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# Call it with:
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# $1: cvs repo
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# $2: cvs revision
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# $3: package's name (eg. foobar)
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# $4: package's basename (eg. foobar-1.2.3)
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# $5: output file
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# And this environment:
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# CVS : the cvs command to call
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# BUILD_DIR: path to Buildroot's build dir
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repo="${1}"
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rev="${2}"
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rawname="${3}"
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basename="${4}"
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output="${5}"
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repodir="${basename}.tmp-cvs-checkout"
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tmp_output="$( mktemp "${output}.XXXXXX" )"
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cd "${BUILD_DIR}"
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# Remove leftovers from a previous failed run
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rm -rf "${repodir}"
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# Play tic-tac-toe with temp files
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# - first, we download to a trashable location (the build-dir)
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# - then we create a temporary tarball in the final location, so it is
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# on the same filesystem as the final file
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# - finally, we atomically rename to the final file
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ret=1
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if ${CVS} -z3 -d":pserver:anonymous@${repo}" \
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co -d "${repodir}" -r ":${rev}" -P "${rawname}"; then
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if tar czf "${tmp_output}" "${repodir}"; then
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mv "${tmp_output}" "${output}"
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ret=0
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fi
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fi
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# Cleanup
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rm -rf "${repodir}" "${tmp_output}"
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exit ${ret}
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