init

.editorconfig

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+root = true
+
+# for all projects
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+# Crystal
+[*.cr]
+indent_style = space
+indent_size = 2

shard.yml

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+name: git-ahead-check
+version: 0.1.0
+
+# authors:
+#   - name <email@example.com>
+
+# description: |
+#   Short description of git-ahead-check
+
+# dependencies:
+#   pg:
+#     github: will/crystal-pg
+#     version: "~> 0.5"
+
+# development_dependencies:
+#   webmock:
+#     github: manastech/webmock.cr
+
+# license: MIT
+
+targets:
+  git-ahead-check:
+    main: src/git-ahead-check.cr
+

src/git-ahead-check.cr

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+require "colorize"
+
+repos_dirs = [""]
+
+def check_repo(repo_path : String)
+  repo_name = repo_path.split("/")[-1]
+  ahead_count = `git -C #{repo_path} status | grep -i "Your branch" | grep -Eo "[0-9]"`
+
+  if !ahead_count.empty?
+    print repo_name.colorize(:yellow)
+    print " " * (25 - repo_name.size)
+    print ahead_count.to_s.colorize(:green).mode(:bold)
+  end
+end
+
+repos_dirs.each { |x| check_repo(x) }