feat: Add wrappers for ROOT rootcp CLI tool

phys/root/rootcp/environment.yaml

@@ -0,0 +1,4 @@
+channels:
+  - conda-forge
+dependencies:
+  - ROOT =6.30.4

phys/root/rootcp/meta.yaml

@@ -0,0 +1,14 @@
+name: "rootcp"
+description: Copy ROOT file/object(s) using the ROOT rootcp command line tool
+url: https://github.com/root-project/root/blob/master/main/python/rootcp.py
+authors:
+  - Jamie Gooding
+input:
+  - ROOT file/object(s) target (to be copied) and destination.
+output:
+  - >
+    single ROOT file containing copied target object(s).
+params:
+  - extra: extra parameters to `rootcp` (see ROOT documentation, e.g. `-c` for compression levels)
+  - input_object_name: (optional) object in ROOT file to be copied.
+  - output_object_name: (optional) name of destination object to be copied to.

phys/root/rootcp/test/Snakefile

@@ -0,0 +1,13 @@
+rule rootcp:
+    input:
+        "ntuple0.root",
+    log:
+        "logs/rootcp/rootcp.log",
+    params:
+        input_object_name="TestTree",
+        extra="--recreate",
+    threads: 1
+    output:
+        "ntuple0_copy.root",
+    wrapper:
+        "master/phys/root/rootcp"

phys/root/rootcp/wrapper.py

@@ -0,0 +1,22 @@
+__author__ = "Jamie Gooding"
+__copyright__ = "Copyright 2024, Jamie Gooding"
+__email__ = "jamie.gooding@cern.ch"
+__license__ = "MIT"
+
+
+from snakemake.shell import shell
+
+extra = snakemake.params.get("extra", "")
+log = snakemake.log_fmt_shell(stdout=True, stderr=True)
+
+object_in = snakemake.params.get("input_object_name", "")
+if object_in:
+    object_in = f":{object_in}"
+
+object_out = snakemake.params.get("output_object_name", "")
+if object_out:
+    object_out = f":{object_out}"
+
+shell(
+    "rootcp {extra} {snakemake.input}{object_in} {snakemake.output}{object_out} {log}"
+)

test.py

@@ -6852,6 +6852,14 @@ def test_root_filter_dict():
     )
 
 
+@skip_if_not_modified
+def test_root_rootcp():
+    run(
+        "phys/root/rootcp",
+        ["snakemake", "--cores", "2", "--use-conda", "-F"],
+    )
+
+
 @skip_if_not_modified
 def test_emu_abundance():
     run(