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Makefile
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Makefile
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.PHONY: clean update vet test lint lint-ci test-cover bench
# default task invoked while running make
all: clean .build/libmergestat.so .build/mergestat
# pass these flags to linker to suppress missing symbol errors in intermediate artifacts
export CGO_CFLAGS = -DUSE_LIBSQLITE3
export CPATH = ${PWD}/pkg/sqlite
export CGO_LDFLAGS = -Wl,--unresolved-symbols=ignore-in-object-files
ifeq ($(shell uname -s),Darwin)
export CGO_LDFLAGS = -Wl,-undefined,dynamic_lookup
endif
# target to build and install libgit2
libgit2:
cd git2go; make install-static
# target to build a dynamic extension that can be loaded at runtime
.build/libmergestat.so: $(shell find . -type f -name '*.go' -o -name '*.c')
$(call log, $(CYAN), "building $@")
@go build -buildmode=c-shared -o $@ -tags="static,shared" shared.go
$(call log, $(GREEN), "built $@")
# target to compile mergestat executable
.build/mergestat: $(shell find . -type f -name '*.go' -o -name '*.c')
$(call log, $(CYAN), "building $@")
@go build -o $@ -tags="static" mergestat.go
$(call log, $(GREEN), "built $@")
# target to download latest sqlite3 amalgamation code
pkg/sqlite/sqlite3.c:
$(call log, $(CYAN), "downloading sqlite3 amalgamation source v3.38.2")
$(eval SQLITE_DOWNLOAD_DIR = $(shell mktemp -d))
@curl -sSLo $(SQLITE_DOWNLOAD_DIR)/sqlite3.zip https://www.sqlite.org/2022/sqlite-amalgamation-3380200.zip
$(call log, $(GREEN), "downloaded sqlite3 amalgamation source v3.38.2")
$(call log, $(CYAN), "unzipping to $(SQLITE_DOWNLOAD_DIR)")
@(cd $(SQLITE_DOWNLOAD_DIR) && unzip sqlite3.zip > /dev/null)
@-rm $(SQLITE_DOWNLOAD_DIR)/sqlite-amalgamation-3380200/shell.c
$(call log, $(CYAN), "moving to pkg/sqlite")
@mv $(SQLITE_DOWNLOAD_DIR)/sqlite-amalgamation-3380200/* pkg/sqlite
clean:
$(call log, $(YELLOW), "nuking .build/")
@-rm -rf .build/
# ========================================
# target for common golang tasks
# go build tags used by test, vet and more
TAGS = "static"
update:
go get -tags=$(TAGS) -u ./...
vet:
go vet -v -tags=$(TAGS) ./...
build:
go build -v -tags=$(TAGS) mergestat.go
lint:
golangci-lint run --build-tags $(TAGS)
lint-ci:
./bin/golangci-lint run --build-tags $(TAGS) --out-format github-actions --timeout 5m
test:
go test -v -tags=$(TAGS) ./...
test-cover:
go test -v -tags=$(TAGS) ./... -cover -covermode=count -coverprofile=coverage.out
go tool cover -html=coverage.out
bench:
go test -v -tags=$(TAGS) -bench=. -benchmem -run=^nomatch ./...
# ========================================
# some utility methods
# ASCII color codes that can be used with functions that output to stdout
RED := 1;31
GREEN := 1;32
ORANGE := 1;33
YELLOW := 1;33
BLUE := 1;34
PURPLE := 1;35
CYAN := 1;36
# log:
# print out $2 to stdout using $1 as ASCII color codes
define log
@printf "\033[$(strip $1)m-- %s\033[0m\n" $2
endef