Increase maximum SQLite variables count to 32766 (#11696) (#11783)

* Increase maximum SQLite variables count to 32766 (#11696)

per https://www.sqlite.org/limits.html

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
(cherry picked from commit a5aa5c58c1)

* Fix missing CGO_EXTRA_FLAGS build arg for docker

Co-authored-by: techknowlogick <techknowlogick@gitea.io>

Dockerfile

 ARG GITEA_VERSION
 ARG TAGS="sqlite sqlite_unlock_notify"
 ENV TAGS "bindata $TAGS"
+ARG CGO_EXTRA_CFLAGS
 
 #Build deps
 RUN apk --no-cache add build-base git nodejs npm

Makefile

 ifeq ($(HAS_GO), GO)
 	GOPATH ?= $(shell $(GO) env GOPATH)
 	export PATH := $(GOPATH)/bin:$(PATH)
+
+	CGO_EXTRA_CFLAGS := -DSQLITE_MAX_VARIABLE_NUMBER=32766
+	CGO_CFLAGS ?= $(shell $(GO) env CGO_CFLAGS) $(CGO_EXTRA_CFLAGS)
 endif
 
 
 
 .PHONY: install $(TAGS_PREREQ)
 install: $(wildcard *.go)
-	$(GO) install -v -tags '$(TAGS)' -ldflags '-s -w $(LDFLAGS)'
+	CGO_CFLAGS="$(CGO_CFLAGS)" $(GO) install -v -tags '$(TAGS)' -ldflags '-s -w $(LDFLAGS)'
 
 .PHONY: build
 build: frontend backend
 	CC= GOOS= GOARCH= $(GO) generate -mod=vendor -tags '$(TAGS)' $(GO_PACKAGES)
 
 $(EXECUTABLE): $(GO_SOURCES) $(TAGS_PREREQ)
-	$(GO) build -mod=vendor $(GOFLAGS) $(EXTRA_GOFLAGS) -tags '$(TAGS)' -ldflags '-s -w $(LDFLAGS)' -o $@
+	CGO_CFLAGS="$(CGO_CFLAGS)" $(GO) build -mod=vendor $(GOFLAGS) $(EXTRA_GOFLAGS) -tags '$(TAGS)' -ldflags '-s -w $(LDFLAGS)' -o $@
 
 .PHONY: release
 release: frontend generate release-windows release-linux release-darwin release-copy release-compress release-sources release-check
 	@hash xgo > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
 		$(GO) get -u src.techknowlogick.com/xgo; \
 	fi
-	GO111MODULE=off xgo -go $(XGO_VERSION) -dest $(DIST)/binaries -tags 'netgo osusergo $(TAGS)' -ldflags '-linkmode external -extldflags "-static" $(LDFLAGS)' -targets 'windows/*' -out gitea-$(VERSION) .
+	CGO_CFLAGS="$(CGO_CFLAGS)" GO111MODULE=off xgo -go $(XGO_VERSION) -dest $(DIST)/binaries -tags 'netgo osusergo $(TAGS)' -ldflags '-linkmode external -extldflags "-static" $(LDFLAGS)' -targets 'windows/*' -out gitea-$(VERSION) .
 ifeq ($(CI),drone)
 	cp /build/* $(DIST)/binaries
 endif
 	@hash xgo > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
 		$(GO) get -u src.techknowlogick.com/xgo; \
 	fi
-	GO111MODULE=off xgo -go $(XGO_VERSION) -dest $(DIST)/binaries -tags 'netgo osusergo $(TAGS)' -ldflags '-linkmode external -extldflags "-static" $(LDFLAGS)' -targets 'linux/amd64,linux/386,linux/arm-5,linux/arm-6,linux/arm64,linux/mips64le,linux/mips,linux/mipsle' -out gitea-$(VERSION) .
+	CGO_CFLAGS="$(CGO_CFLAGS)" GO111MODULE=off xgo -go $(XGO_VERSION) -dest $(DIST)/binaries -tags 'netgo osusergo $(TAGS)' -ldflags '-linkmode external -extldflags "-static" $(LDFLAGS)' -targets 'linux/amd64,linux/386,linux/arm-5,linux/arm-6,linux/arm64,linux/mips64le,linux/mips,linux/mipsle' -out gitea-$(VERSION) .
 ifeq ($(CI),drone)
 	cp /build/* $(DIST)/binaries
 endif
 	@hash xgo > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
 		$(GO) get -u src.techknowlogick.com/xgo; \
 	fi
-	GO111MODULE=off xgo -go $(XGO_VERSION) -dest $(DIST)/binaries -tags 'netgo osusergo $(TAGS)' -ldflags '$(LDFLAGS)' -targets 'darwin/*' -out gitea-$(VERSION) .
+	CGO_CFLAGS="$(CGO_CFLAGS)" GO111MODULE=off xgo -go $(XGO_VERSION) -dest $(DIST)/binaries -tags 'netgo osusergo $(TAGS)' -ldflags '$(LDFLAGS)' -targets 'darwin/*' -out gitea-$(VERSION) .
 ifeq ($(CI),drone)
 	cp /build/* $(DIST)/binaries
 endif

docker/Makefile

 
 .PHONY: docker-build
 docker-build:
-	docker run -ti --rm -v $(CURDIR):/srv/app/src/code.gitea.io/gitea -w /srv/app/src/code.gitea.io/gitea -e TAGS="bindata $(TAGS)" LDFLAGS="$(LDFLAGS)" webhippie/golang:edge make clean build
+	docker run -ti --rm -v $(CURDIR):/srv/app/src/code.gitea.io/gitea -w /srv/app/src/code.gitea.io/gitea -e TAGS="bindata $(TAGS)" LDFLAGS="$(LDFLAGS)" CGO_EXTRA_CFLAGS="$(CGO_EXTRA_CFLAGS)" webhippie/golang:edge make clean build

models/issue.go

 const issueTasksRegexpStr = `(^\s*[-*]\s\[[\sxX]\]\s.)|(\n\s*[-*]\s\[[\sxX]\]\s.)`
 const issueTasksDoneRegexpStr = `(^\s*[-*]\s\[[xX]\]\s.)|(\n\s*[-*]\s\[[xX]\]\s.)`
 const issueMaxDupIndexAttempts = 3
-const maxIssueIDs = 950
 
 func init() {
 	issueTasksPat = regexp.MustCompile(issueTasksRegexpStr)
 	}
 
 	if len(opts.IssueIDs) > 0 {
-		if len(opts.IssueIDs) > maxIssueIDs {
-			opts.IssueIDs = opts.IssueIDs[:maxIssueIDs]
-		}
 		sess.In("issue.id", opts.IssueIDs)
 	}
 
 			Where("issue.repo_id = ?", opts.RepoID)
 
 		if len(opts.IssueIDs) > 0 {
-			if len(opts.IssueIDs) > maxIssueIDs {
-				opts.IssueIDs = opts.IssueIDs[:maxIssueIDs]
-			}
 			sess.In("issue.id", opts.IssueIDs)
 		}
 
 		cond = cond.And(builder.In("issue.repo_id", opts.RepoIDs))
 	}
 	if len(opts.IssueIDs) > 0 {
-		if len(opts.IssueIDs) > maxIssueIDs {
-			opts.IssueIDs = opts.IssueIDs[:maxIssueIDs]
-		}
 		cond = cond.And(builder.In("issue.id", opts.IssueIDs))
 	}