PlatformIO: generate core_version.h when using feature/stage (#5917)

* platformio: generate core_version.h when using feature/stage

* quote command line

* Modify CPPFLAGS conditionally

tools/makecorever.py

@@ -21,31 +21,53 @@ import argparse
 import os
 import subprocess
 
-parser = argparse.ArgumentParser(description='Generate core_version.h')
-parser.add_argument('-b', '--build_path', action='store', required=True, help='build.path variable')
-parser.add_argument('-p', '--platform_path', action='store', required=True, help='platform.path variable')
-parser.add_argument('-v', '--version', action='store', required=True, help='version variable')
 
-args = parser.parse_args()
+def generate(path, platform_path, git_ver="0xffffffff", git_desc="unspecified"):
+    def git(*args):
+        cmd = ["git", "-C", platform_path]
+        cmd.extend(args)
+        proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, universal_newlines=True)
+        return proc.stdout.readlines()[0].strip()
 
-core = args.build_path + '/core'
-try:
-    os.makedirs(core)
-except:
-    pass
+    try:
+        git_ver = git("rev-parse", "--short=8", "HEAD")
+        git_desc = git("describe", "--tags")
+    except:
+        pass
 
-out = open(core + '/core_version.h', "w")
+    with open(path, "w") as out:
+        out.write("#define ARDUINO_ESP8266_GIT_VER 0x{}\n".format(git_ver))
+        out.write("#define ARDUINO_ESP8266_GIT_DESC {}\n".format(git_desc))
 
-try:
-    p = subprocess.Popen(['git', '--git-dir', args.platform_path + '/.git', 'rev-parse', '--short=8', 'HEAD'], stdout = subprocess.PIPE )
-    git_ver = '0x' + p.stdout.readlines()[0].strip()
-    p = subprocess.Popen(['git', '--git-dir', args.platform_path + '/.git', 'describe', '--tags'], stdout = subprocess.PIPE )
-    git_desc = p.stdout.readlines()[0].strip()
-except:
-    git_ver = '0xffffffff'
-    git_desc = args.version
 
-out.write('#define ARDUINO_ESP8266_GIT_VER  ' + git_ver + '\n')
-out.write('#define ARDUINO_ESP8266_GIT_DESC ' + git_desc + '\n')
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description="Generate core_version.h")
 
-out.close()
+    parser.add_argument(
+        "-b", "--build_path", action="store", required=True, help="build.path variable"
+    )
+    parser.add_argument(
+        "-p",
+        "--platform_path",
+        action="store",
+        required=True,
+        help="platform.path variable",
+    )
+    parser.add_argument(
+        "-v", "--version", action="store", required=True, help="version variable"
+    )
+    parser.add_argument("-i", "--include_dir", default="core")
+
+    args = parser.parse_args()
+
+    include_dir = os.path.join(args.build_path, args.include_dir)
+    try:
+        os.makedirs(include_dir)
+    except:
+        pass
+
+    generate(
+        os.path.join(include_dir, "core_version.h"),
+        args.platform_path,
+        git_desc=args.version,
+    )

tools/platformio-build.py

@@ -24,6 +24,9 @@ http://arduino.cc/en/Reference/HomePage
 
 # Extends: https://github.com/platformio/platform-espressif8266/blob/develop/builder/main.py
 
+import os
+import subprocess
+
 from os.path import isdir, join
 
 from SCons import Builder, Util
@@ -220,6 +223,41 @@ app_ld = env.Command(
         "Generating LD script $TARGET"))
 env.Depends("$BUILD_DIR/$PROGNAME$PROGSUFFIX", app_ld)
 
+#
+# Dynamic core_version.h for staging builds
+#
+
+def platform_txt_version(default):
+    with open(join(FRAMEWORK_DIR, "platform.txt"), "r") as platform_txt:
+        for line in platform_txt:
+            if not line:
+                continue
+            k, delim, v = line.partition("=")
+            if not delim:
+                continue
+            if k == "version":
+                return v.strip()
+
+    return default
+
+if isdir(join(FRAMEWORK_DIR, ".git")):
+    cmd = '"$PYTHONEXE" "{script}" -b "$BUILD_DIR" -p "{framework_dir}" -v {version}'
+    fmt = {
+        "script": join(FRAMEWORK_DIR, "tools", "makecorever.py"),
+        "framework_dir": FRAMEWORK_DIR,
+        "version": platform_txt_version("unspecified")
+    }
+
+    env.Prepend(CPPPATH=[
+        join("$BUILD_DIR", "core")
+    ])
+    core_version = env.Command(
+        join("$BUILD_DIR", "core", "core_version.h"),
+        join(FRAMEWORK_DIR, ".git"),
+        env.VerboseAction(cmd.format(**fmt), "Generating $TARGET")
+    )
+    env.Depends("$BUILD_DIR/$PROGNAME$PROGSUFFIX", core_version)
+
 
 #
 # Target: Build Core Library