add more default patterns

spec/lib/patterns_spec.cr

@@ -4,7 +4,7 @@ require "string_scanner"
 
 def matches_for(pattern_name, input)
   pattern = Regex.new(::Fingers::Config::DEFAULT_PATTERNS[pattern_name])
-  input.scan(pattern).map { |m| m[0] }
+  input.scan(pattern).map { |m| m["capture"]? || m[0] }
 end
 
 describe "default patterns" do
@@ -100,4 +100,79 @@ describe "default patterns" do
       matches_for("path", input).should eq expected
     end
   end
+
+  describe "hex" do
+    it "should match hex numbers" do
+      input = "
+      hello 0xcafe
+      0xcaca
+      0xdeadbeef hehehe 0xCACA
+      "
+
+      expected = ["0xcafe", "0xcaca", "0xdeadbeef", "0xCACA"]
+
+      matches_for("hex", input).should eq expected
+    end
+  end
+
+  describe "git status" do
+    it "should match relevant stuff in git status output" do
+      input = "
+Your branch is up to date with 'origin/crystal-rewrite'.
+
+Changes to be committed:
+  (use \"git restore --staged <file>...\" to unstage)
+        deleted:    CHANGELOG.md
+        new file:   wat
+
+Changes not staged for commit:
+  (use \"git add <file>...\" to update what will be committed)
+  (use \"git restore <file>...\" to discard changes in working directory)
+        modified:   Makefile
+        modified:   spec/lib/patterns_spec.cr
+        modified:   src/fingers/config.cr
+      "
+
+      expected = ["CHANGELOG.md", "wat", "Makefile", "spec/lib/patterns_spec.cr", "src/fingers/config.cr"]
+
+      matches_for("git-status", input).should eq expected
+    end
+  end
+
+  describe "git status branch" do
+    it "should match branch in git status output" do
+      input = "
+Your branch is up to date with 'origin/crystal-rewrite'.
+
+Changes to be committed:
+  (use \"git restore --staged <file>...\" to unstage)
+        deleted:    CHANGELOG.md
+        new file:   wat
+
+Changes not staged for commit:
+  (use \"git add <file>...\" to update what will be committed)
+  (use \"git restore <file>...\" to discard changes in working directory)
+        modified:   Makefile
+        modified:   spec/lib/patterns_spec.cr
+        modified:   src/fingers/config.cr
+      "
+
+      expected = ["origin/crystal-rewrite"]
+
+      matches_for("git-status-branch", input).should eq expected
+    end
+  end
+
+  describe "git diff" do
+    it "should match a/b paths in git diff" do
+      input = "
+  diff --git a/spec/lib/patterns_spec.cr b/spec/lib/patterns_spec.cr
+  index 5281097..6c9c18e 100644
+  --- a/spec/lib/patterns_spec.cr
+  +++ b/spec/lib/patterns_spec.cr
+  "
+      expected = ["spec/lib/patterns_spec.cr", "spec/lib/patterns_spec.cr"]
+      matches_for("diff", input).should eq expected
+    end
+  end
 end

src/fingers/config.cr

@@ -30,6 +30,11 @@ module Fingers
       "digit": "[0-9]{4,}",
       "url": "((https?://|git@|git://|ssh://|ftp://|file:///)[^\\s()\"]+)",
       "path": "(([.\\w\\-~\\$@]+)?(/[.\\w\\-@]+)+/?)",
+      "hex": "(0x[0-9a-fA-F]+)",
+      "kubernetes": "(deployment.app|binding|componentstatuse|configmap|endpoint|event|limitrange|namespace|node|persistentvolumeclaim|persistentvolume|pod|podtemplate|replicationcontroller|resourcequota|secret|serviceaccount|service|mutatingwebhookconfiguration.admissionregistration.k8s.io|validatingwebhookconfiguration.admissionregistration.k8s.io|customresourcedefinition.apiextension.k8s.io|apiservice.apiregistration.k8s.io|controllerrevision.apps|daemonset.apps|deployment.apps|replicaset.apps|statefulset.apps|tokenreview.authentication.k8s.io|localsubjectaccessreview.authorization.k8s.io|selfsubjectaccessreviews.authorization.k8s.io|selfsubjectrulesreview.authorization.k8s.io|subjectaccessreview.authorization.k8s.io|horizontalpodautoscaler.autoscaling|cronjob.batch|job.batch|certificatesigningrequest.certificates.k8s.io|events.events.k8s.io|daemonset.extensions|deployment.extensions|ingress.extensions|networkpolicies.extensions|podsecuritypolicies.extensions|replicaset.extensions|networkpolicie.networking.k8s.io|poddisruptionbudget.policy|clusterrolebinding.rbac.authorization.k8s.io|clusterrole.rbac.authorization.k8s.io|rolebinding.rbac.authorization.k8s.io|role.rbac.authorization.k8s.io|storageclasse.storage.k8s.io)[[:alnum:]_#$%&+=/@-]+",
+      "git-status": "(modified|deleted|new file): +(?<capture>.+)",
+      "git-status-branch": "Your branch is up to date with '(?<capture>.*)'.",
+      "diff": "(---|\\+\\+\\+) [ab]/(?<capture>.*)",
     }
 
     ALPHABET_MAP = {