40 lines
1.0 KiB
Bash
Executable File
40 lines
1.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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# We want to catch any unexpected failure, and exit immediately
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set -e
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# Download helper for git, to be called from the download wrapper script
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# Expected arguments:
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# $1: output file
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# $2: git repo
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# $3: git cset
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# $4: package's basename (eg. foobar-1.2.3)
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# And this environment:
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# GIT : the git command to call
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output="${1}"
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repo="${2}"
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cset="${3}"
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basename="${4}"
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# Try to see if we can do a shallow clone, since it is faster
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# than a full clone.
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git_done=0
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if [ -n "$(${GIT} ls-remote "${repo}" "${cset}" 2>&1)" ]; then
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printf "Doing shallow clone\n"
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if ${GIT} clone --depth 1 -b "${cset}" --bare "${repo}" "${basename}"; then
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git_done=1
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else
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printf "Shallow clone failed, falling back to doing a full clone\n"
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fi
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fi
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if [ ${git_done} -eq 0 ]; then
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printf "Doing full clone\n"
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${GIT} clone --bare "${repo}" "${basename}"
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fi
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GIT_DIR="${basename}" \
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${GIT} archive --prefix="${basename}/" -o "${output}.tmp" --format=tar "${cset}"
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gzip <"${output}.tmp" >"${output}"
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