add clash build version in ci

.gitignore

@@ -6,3 +6,4 @@ ClashX/Resources/dashboard
 ClashX.app
 *.dmg
 **/xcuserdata/
+.idea

.travis.yml

@@ -20,9 +20,9 @@ install:
 - cd ..
 - brew update
 - echo `go version`
-- brew upgrade go || true
-- echo `go version`
-- CGO_CFLAGS=-mmacosx-version-min=10.10 CGO_LDFLAGS=-mmacosx-version-min=10.10 go build -buildmode=c-archive
+#- brew upgrade go || true
+#- echo `go version`
+- python3 ci_build_clash.py
 - cd $TRAVIS_BUILD_DIR
 
 script:

ClashX/ci_build_clash.py

@@ -0,0 +1,50 @@
+import subprocess
+import datetime
+import plistlib
+
+
+def get_version():
+    with open('./go.mod') as file:
+        for line in file.readlines():
+            if "require" in line:
+                return line.split(" ")[-1].strip()
+    return "unknown"
+
+
+def build_clash(version):
+    build_time = datetime.datetime.now().strftime("%Y-%m-%d-%H%M")
+    command = f"""CGO_CFLAGS=-mmacosx-version-min=10.12 \
+CGO_LDFLAGS=-mmacosx-version-min=10.10 \
+GOBUILD=CGO_ENABLED=0 \
+go build -ldflags '-X "github.com/Dreamacro/clash/constant.Version={version}" \
+-X "github.com/Dreamacro/clash/constant.BuildTime={build_time}"' \
+-buildmode=c-archive """
+    subprocess.check_output(command, shell=True)
+
+
+def write_to_info(version):
+    path = "info.plist"
+
+    with open(path, 'rb') as f:
+        contents = plistlib.load(f)
+
+    if not contents:
+        exit(-1)
+
+    contents["coreVersion"] = version
+    with open(path, 'wb') as f:
+        plistlib.dump(contents, f, sort_keys=False)
+
+
+def run():
+    version = get_version()
+    print("current clash version: ", version)
+    build_clash(version)
+    print("build static library complete!")
+    print("writing info.plist")
+    write_to_info(version)
+    print("done")
+
+
+if __name__ == "__main__":
+    run()