Use GH action version when version argument not specified (#3543)

[etc/vim.git] / action / main.py

diff --git a/action/main.py b/action/main.py
index ff9d4112aed7f19f14930284ef38ee6134a8bc05..23c3a652194f20049eec3183f93067443b594507 100644 (file)
--- a/action/main.py
+++ b/action/main.py
@@ -22,12 +22,34 @@ if JUPYTER:
     extra_deps = "[colorama,jupyter]"
 else:
     extra_deps = "[colorama]"
-req = f"black{extra_deps}{version_specifier}"
+if version_specifier:
+    req = f"black{extra_deps}{version_specifier}"
+else:
+    describe_name = ""
+    with open(ACTION_PATH / ".git_archival.txt", encoding="utf-8") as fp:
+        for line in fp:
+            if line.startswith("describe-name: "):
+                describe_name = line[len("describe-name: ") :].rstrip()
+                break
+    if not describe_name:
+        print("::error::Failed to detect action version.", flush=True)
+        sys.exit(1)
+    # expected format is one of:
+    # - 23.1.0
+    # - 23.1.0-51-g448bba7
+    if describe_name.count("-") < 2:
+        # the action's commit matches a tag exactly, install exact version from PyPI
+        req = f"black{extra_deps}=={describe_name}"
+    else:
+        # the action's commit does not match any tag, install from the local git repo
+        req = f".{extra_deps}"
+print(f"Installing {req}...", flush=True)
 pip_proc = run(
     [str(ENV_BIN / "python"), "-m", "pip", "install", req],
     stdout=PIPE,
     stderr=STDOUT,
     encoding="utf-8",
+    cwd=ACTION_PATH,
 )
 if pip_proc.returncode:
     print(pip_proc.stdout)