From dcc0625b3cf306c2e0b2790f85c742a6c4c47f74 Mon Sep 17 00:00:00 2001
From: Lertsenem <lertsenem@yahoo.fr>
Date: Thu, 20 Aug 2015 01:07:51 +0200
Subject: [PATCH] Adding 'update' command

---
 persoconf/main.py | 66 ++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 59 insertions(+), 7 deletions(-)

diff --git a/persoconf/main.py b/persoconf/main.py
index f17e54b..53ce1a5 100755
--- a/persoconf/main.py
+++ b/persoconf/main.py
@@ -177,11 +177,12 @@ parser_help = subparsers.add_parser("help", help="Print this help")
 
 # Package
 parser_package = subparsers.add_parser("package", help="Package a persoconf repository")
-parser_package.add_argument( "apps", type=str, help="The apps to package. Use all to make a global package.", nargs="*", default=["all"] )
+parser_package.add_argument( "apps", type=str, help="The apps to package ; defaults to all apps", nargs="*", default=[] )
 
-# Backup
-parser_backup = subparsers.add_parser("backup", help="Backup an app configuration in the persoconf directory with the configuration in use now")
-parser_backup.add_argument( 'apps', help='The apps to backup', type=str, nargs="*", default=["all"])
+# Update
+parser_update = subparsers.add_parser("update", help="Backup an app configuration in the persoconf directory with the configuration in use now")
+parser_update.add_argument( 'app', help='The apps to backup', type=str )
+parser_update.add_argument( 'files', help='The files to update ; default to all added files', type=str, nargs="*", default=[])
 
 # Add
 parser_add = subparsers.add_parser("add", help="Add an app to the persoconf directory, or add a config file to an existing app")
@@ -321,8 +322,59 @@ if args.command == "add":
         log.error("Unable to save json Metafile for app %s : no path defined" % appmeta.name)
         exit(1)
 
+# UPDATE COMMAND
+########################################
+if args.command == "update":
+
+    # TODO app == None => update all apps
+    # Load app META file
+    try:
+        appmeta = Metafile(json_path = "/".join([args.rootdir, args.app, args.metafile]))
+
+    except FileNotFoundError:
+        log.info("Metafile %s does not exist for app %s" % (args.metafile, args.app))
+        appmeta = Metafile( name=args.app )
+        appmeta.json_path = "/".join( [args.rootdir, args.app, args.metafile] )
+
+    except MalformedMetafileError:
+        log.error("Malformed metafile %s in app %s" % (args.metafile, args.app) )
+        exit(1)
+
+    # TODO check that the app exists
+
+    # The filenames can be confnames or real files names. For each we'll assume
+    # first that it's a confname, then that it's a file name if that fails.
+    if args.files != []:
+
+        dstdic = appmeta.get_files_dst2src()
+
+        for f in args.files:
+            # It's probably a confname
+            if f in appmeta.files:
+                if copy_file_or_directory(log, path_dst='/'.join([args.rootdir, args.app, f]), path_src=appmeta.files[f]["dest"]):
+                    log.info("Updated %s from %s" % (f, appmeta.files[f]["dest"]))
+                else:
+                    log.warning("Failed to update %s from %s ; ignoring" % (f, appmeta.files[f]["dest"]))
+
+            # If not, it must be a real filename
+            else:
+                absf = contractuser( os.path.abspath(os.path.expanduser(f)) )
+                if absf in dstdic:
+                    if copy_file_or_directory(log, path_dst='/'.join([args.rootdir, args.app, dstdic[absf]]), path_src=absf):
+                        log.info("Updated %s from %s" % (dstdic[absf], absf))
+                    else:
+                        log.warning("Failed to update %s from %s ; ignoring" % (dstdic[absf], absf))
+
+                # Otherwise, it's nothing.
+                else:
+                    log.warning("Cannot find file %s in app data; ignoring it")
+
+    # If they were no 'file' args, it means we need to update all files in the app
+    else:
+        for f in appmeta.files:
+            if copy_file_or_directory(log, path_dst='/'.join([args.rootdir, args.app, f]), path_src=appmeta.files[f]["dest"]):
+                log.info("Updated %s from %s" % (f, appmeta.files[f]["dest"]))
+            else:
+                log.warning("Failed to update %s from %s ; ignoring" % (f, appmeta.files[f]["dest"]))
 
 ########################################
-print(args)
-
-