109 lines
3.2 KiB
Nix
109 lines
3.2 KiB
Nix
# FIXME: very unstable (on every request opens pager) but works somehow
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{pkgs, ...}:
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pkgs.writeShellScriptBin "gh-tl" ''
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set -euo pipefail
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export GH_PAGER=cat
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alias gh="${pkgs.gh}/bin/gh"
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alias jq="${pkgs.jq}/bin/gh"
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usage() {
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echo "Usage: $0 [--force] <source_repo> <target_repo>"
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echo "Options:"
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echo " --force Replace existing labels in the target repository."
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echo "Example:"
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echo " $0 owner/source-repo owner/target-repo"
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echo " $0 --force owner/source-repo owner/target-repo"
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exit 1
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}
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FORCE=0
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while [[ "$#" -gt 0 ]]; do
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case "$1" in
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--force)
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FORCE=1
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shift
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;;
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-h|--help)
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usage
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;;
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*)
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break
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;;
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esac
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done
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if [ "$#" -ne 2 ]; then
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usage
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fi
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SOURCE_REPO="$1"
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TARGET_REPO="$2"
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TEMP_FILE="$(mktemp)"
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trap 'rm -f "$TEMP_FILE"' EXIT
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# Check if required commands are available
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for cmd in gh jq; do
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if ! command -v "$cmd" &>/dev/null; then
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echo "Error: '$cmd' is not installed or not in PATH."
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exit 1
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fi
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done
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# Fetch all labels from the source repository with pagination
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echo "Fetching labels from $SOURCE_REPO..."
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LABELS_JSON=$(gh api -H "Accept: application/vnd.github.v3+json" \
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/repos/"$SOURCE_REPO"/labels --paginate | jq -s 'add')
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if [ -z "$LABELS_JSON" ] || [ "$LABELS_JSON" == "[]" ]; then
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echo "No labels found or an error occurred." >&2
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exit 1
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fi
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echo "$LABELS_JSON" > "$TEMP_FILE"
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# Create or update labels in the target repository
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echo "Processing labels for $TARGET_REPO..."
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jq -c '.[]' "$TEMP_FILE" | while IFS= read -r label; do
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name=$(echo "$label" | jq -r '.name')
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encoded_name=$(printf "%s" "$name" | jq -s -R -r @uri)
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color=$(echo "$label" | jq -r '.color')
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description=$(echo "$label" | jq -r '.description // ""')
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if [ "$FORCE" -eq 1 ]; then
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if update_output=$(gh api -X PATCH -H "Accept: application/vnd.github.v3+json" \
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/repos/"$TARGET_REPO"/labels/"$encoded_name" \
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-f name="$name" -f color="$color" -f description="$description" 2>&1); then
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echo "Label '$name' updated in $TARGET_REPO."
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else
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if echo "$update_output" | grep -q '"status": *"404"'; then
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echo "Label '$name' not found, creating..."
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if gh api -X POST -H "Accept: application/vnd.github.v3+json" \
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/repos/"$TARGET_REPO"/labels \
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-f name="$name" -f color="$color" -f description="$description"; then
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echo "Label '$name' created in $TARGET_REPO."
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else
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echo "Error: Failed to create label '$name'."
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fi
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else
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echo "Error: Failed to update label '$name'."
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fi
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fi
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else
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echo "Creating label '$name' in $TARGET_REPO..."
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if gh api -X POST -H "Accept: application/vnd.github.v3+json" \
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/repos/"$TARGET_REPO"/labels \
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-f name="$name" -f color="$color" -f description="$description" 1>/dev/null 2>&1; then
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echo "Label '$name' created in $TARGET_REPO."
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else
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echo "Warning: Label '$name' already exists or creation failed. Skipping."
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fi
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fi
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done
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echo "Label transfer completed successfully."
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''
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