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48 lines
1.3 KiB
Bash
48 lines
1.3 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail;
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readonly REPO={{ repo | quote }};
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readonly DEST={{ dest | quote }};
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readonly DEST_USER={{ owner | quote }};
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readonly DEST_GROUP={{ group | quote }};
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readonly PREFIX={{ tag_prefix | quote }};
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readonly GPG_FINGERPRINT={{ gpg_fingerprint | quote }};
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function error() {
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echo "$@" >&2;
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}
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cd "$DEST";
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if [ ! -d .git ]; then
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git clone --recurse-submodules "$REPO" "$DEST";
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fi
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git remote set-url origin "$REPO";
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[ -z "$GPG_FINGERPRINT" ] ||
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gpg --quiet --keyserver {{ default_gpg_keyserver_hostname | quote }} --recv "$GPG_FINGERPRINT";
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git fetch --recurse-submodules --tags > /dev/null;
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TAG=$(git tag --list | grep "^$PREFIX" | sort -r | head -n 1);
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CURRENT=$(git rev-parse --abbrev-ref HEAD);
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if [ -z "$TAG" ]; then
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error "No release tag found";
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exit 1;
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elif [ "$TAG" = "$CURRENT" ]; then
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# No update required
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exit 0;
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elif [ -z "$GPG_FINGERPRINT" ] || (git verify-tag --raw "$TAG" 2>&1 | grep --fixed-strings " VALIDSIG $GPG_FINGERPRINT ") > /dev/null; then
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git reset --quiet --hard --recurse-submodules;
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git checkout --quiet --recurse-submodules "$TAG";
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chown --recursive "$DEST_USER:$DEST_GROUP" .;
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if ! sh -c {{ reload_command | default('true') | quote }}; then
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error "Reload command failed";
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exit 2;
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fi
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else
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error "Invalid or missing signature for $TAG";
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exit 1;
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fi
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