Scripts: add ssh jump to psyncup

bin/psyncup.py

@@ -4,18 +4,13 @@ import datetime as dt
 import json
 import os
 import subprocess
+from pathlib import Path
 
 CONFIG_NAME = ".psyncup.json"
-
+CONFIG_EXAMPLE = """\
-epilog = (
-    """\
-This program reads configuration from a file called """
-    + CONFIG_NAME
-    + """, which must be
-in the same directory as the script runs in. For example:
-
 {
     "ssh_remote": "emiliko@10.0.0.1",
+    "ssh_jump": "emiliko@178.54.2.3",
     "remote_dir": "/home/emiliko/.configs_pointer",
     "update_date": "2023-12-01_01:01:01_UTC",
     "exclude": [
@@ -23,6 +18,15 @@ in the same directory as the script runs in. For example:
         "bin/rewritten_in_rust/target"
     ]
 }"""
+
+epilog = (
+    """\
+This program reads configuration from a file called """
+    + CONFIG_NAME
+    + f""", which must be
+in the same directory as the script runs in. For example:
+
+{CONFIG_EXAMPLE}"""
 )
 
 parser = argparse.ArgumentParser(
@@ -73,6 +77,11 @@ group.add_argument(
 )
 group.add_argument(
     "--init",
+    action="store_true",
+    help="Initialize a .psyncup.json in the cwd",
+)
+group.add_argument(
+    "--pull",
     type=str,
     metavar="<remote-directory>",
     action="store",
@@ -148,7 +157,21 @@ def build_commands(args, config):
 
 
 # ==== Perform command =====
-def run_init(remote_dir, is_debug=False):
+def run_init():
+    pwd = Path(".")
+    config = pwd / ".psyncup.json"
+
+    if config.exists():
+        print(".psyncup.json already exists. Here the content:")
+        with open(config, "r") as f:
+            for line in f:
+                print(line, end="")
+    else:
+        with open(config, "w") as f:
+            f.write(CONFIG_EXAMPLE + "\n")
+
+
+def run_pull(remote_dir, is_debug=False):
     rsync_cmd = [
         "rsync",
         f"{remote_dir}/{CONFIG_NAME}",
@@ -156,7 +179,7 @@ def run_init(remote_dir, is_debug=False):
     ]
 
     if is_debug:
-        print("DEBUG rsync init cmd: ", rsync_cmd)
+        print("DEBUG rsync pull cmd: ", rsync_cmd)
 
     rsync_code = subprocess.call(rsync_cmd)
 
@@ -229,7 +252,11 @@ def run_down(rsync_cmd, remote_dir_str):
 
 if __name__ == "__main__":
     if args.init:
-        run_init(args.init, args.debug)
+        run_init()
+        exit(0)
+
+    if args.pull:
+        run_pull(args.pull, args.debug)
         args.down = True
 
     config = get_config()