add support for patchset input `exec` processor argumentsHEADmain

3 files changed, 33 insertions, 2 deletions

diff --git a/patchtree/diff.py b/patchtree/diff.py
index f8444e7..42e9c76 100644
--- a/patchtree/diff.py
+++ b/patchtree/diff.py
@@ -59,6 +59,21 @@ class File:
     def __repr__(self):
         return f"{self.__class__.__name__}(mode={self.mode:06o}, content={repr(self.content)})"
 
+    def __eq__(self, other):
+        if not isinstance(other, File):
+            return False
+        if self.mode != other.mode:
+            return False
+        a = self.content or b""
+        b = other.content or b""
+        if isinstance(a, str):
+            a = bytes(a, "utf-8")
+        if isinstance(b, str):
+            b = bytes(b, "utf-8")
+        if a != b:
+            return False
+        return True
+
 
 class Diff:
     """
diff --git a/patchtree/process.py b/patchtree/process.py
index decc7d1..5d64470 100644
--- a/patchtree/process.py
+++ b/patchtree/process.py
@@ -189,12 +189,22 @@ class ExecProcess(Process):
         if isinstance(data["cmd"], str):
             self.cmd = split(data["cmd"])
         elif isinstance(data["cmd"], list):
-            self.cmd = data["cmd"]
-            # TODO: check if each list item is actually a string
+            self.cmd = self.argv_expand(data["cmd"])
         else:
             raise TypeError("invalid type of key `cmd'")
         del data["cmd"]
 
+    def argv_expand(self, args: list[Any]):
+        args_out = []
+        for arg in args:
+            if isinstance(arg, ProcessInputSpec):
+                args_out.append(str(arg.as_tmp()))
+                continue
+
+            # else, cast to string
+            args_out.append(str(arg))
+        return args_out
+
     def transform(self):
         assert len(self.cmd) > 0
 
diff --git a/patchtree/spec.py b/patchtree/spec.py
index 6b6cc28..928a41b 100644
--- a/patchtree/spec.py
+++ b/patchtree/spec.py
@@ -8,6 +8,9 @@ from pathlib import Path
 class ProcessInputSpec:
     """Processor input specification (abstract base)"""
 
+    def as_tmp(self):
+        raise NotImplementedError
+
 
 @dataclass
 class FileInputSpec(ProcessInputSpec):
@@ -25,6 +28,9 @@ class TargetFileInputSpec(FileInputSpec):
 class PatchsetFileInputSpec(FileInputSpec):
     """Spec to use a file (referenced by name) in the patchset directory (concrete)"""
 
+    def as_tmp(self):
+        return self.path
+
 
 @dataclass
 class DefaultInputSpec(ProcessInputSpec):