build: add lint and test just recipes

.gitignore

@@ -2,3 +2,5 @@
 .env
 /disco
 /dist
+/*.txt
+*.log

justfile

@@ -1,10 +1,36 @@
+version := "1"
+
+# Shell script recipes fail if /tmp is mounted with noexec, so change the
+# tempdir. See https://github.com/casey/just/issues/1611
+set tempdir := "."
+
+
 default:
   just --list
 
-version := "1"
 
 build *ARGS:
-  ./release/build.sh "{{ARGS}}"
+  ./release/build.sh '{{ARGS}}'
+
 
 clean:
-  rm -rf ./dist
+  rm -rf ./dist ./golangci-lint*.txt
+
+
+lint report="":
+  #!/usr/bin/env sh
+  if [ -z '{{report}}' ]; then
+    golangci-lint run --out-format=tab --new-from-rev=e72df147cd ./...
+    exit $?
+  fi
+
+  _report_id="$(date '+%Y%m%d')-$(git describe --tags --abbrev=10 --always)"
+  golangci-lint run --out-format=tab --issues-exit-code=0 ./... | \
+    tee "golangci-lint-${_report_id}.txt" | \
+      awk 'NF {if ($2 == "revive") print $2 ":" $3; else print $2}' \
+      | sort | uniq -c | sort -nr \
+      | tee "golangci-lint-summary-${_report_id}.txt"
+
+
+test target="..." *ARGS="":
+  go test -v -race -count=1 -failfast {{ARGS}} ./{{target}}