40 lines
1.4 KiB
Bash
Executable File
40 lines
1.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Fetches the exact Ekklesia source revision Signage's external-package integration runs against.
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# The ref is fetched only to make the pinned object reachable; the checkout is always by full SHA.
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set -Eeuo pipefail
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root="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")/.." && pwd)"
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out="$root/build/platform"
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fail() {
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echo "fetch-platform: $*" >&2
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exit 1
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}
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(($# == 0)) || fail "this command takes no arguments."
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pin() {
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local value
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value="$(sed -n "s/^$1=//p" "$root/ci/platform.env")"
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[[ -n "$value" ]] || fail "ci/platform.env has no $1."
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printf '%s' "$value"
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}
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repository="$(pin EKKLESIA_PLATFORM_REPOSITORY)"
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ref="$(pin EKKLESIA_PLATFORM_REF)"
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commit="$(pin EKKLESIA_PLATFORM_COMMIT)"
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[[ "$commit" =~ ^[0-9a-f]{40}$ ]] || fail "EKKLESIA_PLATFORM_COMMIT must be a full commit SHA."
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[[ "$ref" == refs/* ]] || fail "EKKLESIA_PLATFORM_REF must be a full Git ref."
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rm -rf "$out"
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mkdir -p "$out"
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git -C "$out" init --quiet
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git -C "$out" remote add origin "$repository"
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git -C "$out" fetch --quiet --no-tags --depth=1 origin "+${ref}:refs/remotes/pinned" ||
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fail "cannot fetch the pinned platform ref."
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[[ "$(git -C "$out" rev-parse refs/remotes/pinned)" == "$commit" ]] ||
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fail "the pinned ref does not resolve to EKKLESIA_PLATFORM_COMMIT."
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git -C "$out" -c advice.detachedHead=false checkout --quiet --detach "$commit"
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rm -rf "$out/.git"
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echo "fetch-platform: Ekklesia ${commit}"
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