1 files changed, 78 insertions, 0 deletions
diff --git a/dom/media/webrtc/third_party_build/run_operations.py b/dom/media/webrtc/third_party_build/run_operations.py
new file mode 100644
index 0000000000..794ea268d8
--- /dev/null
+++ b/dom/media/webrtc/third_party_build/run_operations.py
@@ -0,0 +1,78 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+import os
+import subprocess
+import sys
+
+# This is a collection of helper functions that use the subprocess.run
+# command to execute commands.  In the future, if we have cases where
+# we find common python functionality in utilizing the data returned
+# from these functions, that functionality can live here for easy reuse
+# between other python scripts in dom/media/webrtc/third_party_build.
+
+
+# must run 'hg' with HGPLAIN=1 to ensure aliases don't interfere with
+# command output.
+env = os.environ.copy()
+env["HGPLAIN"] = "1"
+
+
+def run_hg(cmd):
+    cmd_list = cmd.split(" ")
+    res = subprocess.run(
+        cmd_list,
+        capture_output=True,
+        text=True,
+        env=env,
+    )
+    if res.returncode != 0:
+        print(
+            "Hit return code {} running '{}'. Aborting.".format(res.returncode, cmd),
+            file=sys.stderr,
+        )
+        print(res.stderr)
+        sys.exit(1)
+    stdout = res.stdout.strip()
+    return [] if len(stdout) == 0 else stdout.split("\n")
+
+
+def run_git(cmd, working_dir):
+    cmd_list = cmd.split(" ")
+    res = subprocess.run(
+        cmd_list,
+        capture_output=True,
+        text=True,
+        cwd=working_dir,
+    )
+    if res.returncode != 0:
+        print(
+            "Hit return code {} running '{}'. Aborting.".format(res.returncode, cmd),
+            file=sys.stderr,
+        )
+        print(res.stderr)
+        sys.exit(1)
+    stdout = res.stdout.strip()
+    return [] if len(stdout) == 0 else stdout.split("\n")
+
+
+def run_shell(cmd, capture_output=True):
+    res = subprocess.run(
+        cmd,
+        shell=True,
+        capture_output=capture_output,
+        text=True,
+    )
+    if res.returncode != 0:
+        print(
+            "Hit return code {} running '{}'. Aborting.".format(res.returncode, cmd),
+            file=sys.stderr,
+        )
+        print(res.stderr)
+        sys.exit(1)
+    output_lines = []
+    if capture_output:
+        stdout = res.stdout.strip()
+        output_lines = [] if len(stdout) == 0 else stdout.split("\n")
+
+    return output_lines