X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/6b42c2b8c9f9bd666120a2c19b8da509fe477f27..0e26ada66d16d2aea97bda5f907bb0b20b0985e7:/action/main.py

diff --git a/action/main.py b/action/main.py
index ff9d411..1911cfd 100644
--- a/action/main.py
+++ b/action/main.py
@@ -22,24 +22,56 @@ 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.", file=sys.stderr, 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)
-    print("::error::Failed to install Black.", flush=True)
+    print("::error::Failed to install Black.", file=sys.stderr, flush=True)
     sys.exit(pip_proc.returncode)
 
 
 base_cmd = [str(ENV_BIN / "black")]
 if BLACK_ARGS:
     # TODO: remove after a while since this is deprecated in favour of SRC + OPTIONS.
-    proc = run([*base_cmd, *shlex.split(BLACK_ARGS)])
+    proc = run(
+        [*base_cmd, *shlex.split(BLACK_ARGS)],
+        stdout=PIPE,
+        stderr=STDOUT,
+        encoding="utf-8",
+    )
 else:
-    proc = run([*base_cmd, *shlex.split(OPTIONS), *shlex.split(SRC)])
-
+    proc = run(
+        [*base_cmd, *shlex.split(OPTIONS), *shlex.split(SRC)],
+        stdout=PIPE,
+        stderr=STDOUT,
+        encoding="utf-8",
+    )
+print(proc.stdout)
 sys.exit(proc.returncode)