grafana/.citools/generate.sh

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#!/bin/bash
set -euo pipefail
TOOLS_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
TOOLS_SRC_DIR="$TOOLS_DIR/src"
TOOLS_MK="$TOOLS_DIR/Variables.mk"
echo "# Generated tool paths" > "$TOOLS_MK"
cat <<'EOL' >> "$TOOLS_MK"
tools_dir := $(shell cd $(dir $(lastword $(MAKEFILE_LIST))) && pwd)
src_dir := $(tools_dir)/src
# Due to a race condition, after initial call to `go tool` golang may report a wrong binary location pointing to the invalid `/tmp/go-buildXXX` directory
define compile_tool
$(shell \
(cd $(src_dir)/$(1) \
&& GOWORK=off go tool -n $(2) > /dev/null \
&& GOWORK=off go tool -n $(2)) | sed 's/^[[:space:]]*//g'; \
)
endef
EOL
for tooldir in "$TOOLS_SRC_DIR"/*; do
[ -d "$tooldir" ] || continue
tool=$(basename "$tooldir")
fqtn=$(awk '/^tool / { print $2 }' "$tooldir/go.mod")
cat <<EOL >> "$TOOLS_MK"
# Tool: "$tool"
${tool} = "\$(call compile_tool,${tool},${fqtn})"
EOL
done