From a5a7db9e2b63c5748dea312d23aafbb89d660667 Mon Sep 17 00:00:00 2001
From: Philip Flohr <philip.flohr@student.kit.edu>
Date: Mon, 7 May 2018 20:57:32 +0200
Subject: implemented plugin updates

---
 src/command/cmd_defs.c  |  4 ++++
 src/command/cmd_funcs.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++++
 src/command/cmd_funcs.h |  1 +
 3 files changed, 63 insertions(+)

diff --git a/src/command/cmd_defs.c b/src/command/cmd_defs.c
index 54df4903..ee320e84 100644
--- a/src/command/cmd_defs.c
+++ b/src/command/cmd_defs.c
@@ -2085,6 +2085,7 @@ static struct cmd_t command_defs[] =
             { "sourcepath",     cmd_plugins_sourcepath },
             { "install",        cmd_plugins_install },
             { "uninstall",      cmd_plugins_uninstall },
+            { "update",         cmd_plugins_update },
             { "load",           cmd_plugins_load },
             { "unload",         cmd_plugins_unload },
             { "reload",         cmd_plugins_reload },
@@ -2097,6 +2098,7 @@ static struct cmd_t command_defs[] =
             "/plugins sourcepath clear",
             "/plugins install [<path>]",
             "/plugins uninstall [<plugin>]",
+            "/plugins update [<path>]",
             "/plugins unload [<plugin>]",
             "/plugins load [<plugin>]",
             "/plugins reload [<plugin>]",
@@ -2108,6 +2110,7 @@ static struct cmd_t command_defs[] =
             { "sourcepath clear",       "Clear the default plugins source path." },
             { "install [<path>]",       "Install a plugin, or all plugins found in a directory (recursive). Passing no argument will use the sourcepath if one is set." },
             { "uninstall [<plugin>]",   "Uninstall a plugin." },
+            { "update [<path>]",        "Updates an installed plugin" },
             { "load [<plugin>]",        "Load a plugin that already exists in the plugin directory, passing no argument loads all found plugins." },
             { "unload [<plugin>]",      "Unload a loaded plugin, passing no argument will unload all plugins." },
             { "reload [<plugin>]",      "Reload a plugin, passing no argument will reload all plugins." },
@@ -2116,6 +2119,7 @@ static struct cmd_t command_defs[] =
             "/plugins sourcepath set /home/meee/projects/profanity-plugins",
             "/plugins install",
             "/plugins install /home/steveharris/Downloads/metal.py",
+            "/plugins update /home/steveharris/Downloads/metal.py",
             "/plugins uninstall browser.py",
             "/plugins load browser.py",
             "/plugins unload say.py",
diff --git a/src/command/cmd_funcs.c b/src/command/cmd_funcs.c
index 6aae8fb2..fa675309 100644
--- a/src/command/cmd_funcs.c
+++ b/src/command/cmd_funcs.c
@@ -6663,6 +6663,64 @@ cmd_plugins_install(ProfWin *window, const char *const command, gchar **args)
     return TRUE;
 }
 
+gboolean
+cmd_plugins_update(ProfWin *window, const char *const command, gchar **args)
+{
+    char *path = args[1];
+    if (path == NULL) {
+        char* sourcepath = prefs_get_string(PREF_PLUGINS_SOURCEPATH);
+        if (sourcepath) {
+            path = strdup(sourcepath);
+            prefs_free_string(sourcepath);
+        } else {
+            cons_show("Either a path must be provided or the sourcepath property must be set, see /help plugins");
+            return TRUE;
+        }
+    } else if (path[0] == '~' && path[1] == '/') {
+        if (asprintf(&path, "%s/%s", getenv("HOME"), path+2) == -1) {
+            return TRUE;
+        }
+    } else {
+        path = strdup(path);
+    }
+
+    if (access(path, R_OK) != 0) {
+        cons_show("File not found: %s", path);
+        free(path);
+        return TRUE;
+    }
+
+    if (is_regular_file(path)) {
+        if (!g_str_has_suffix(path, ".py") && !g_str_has_suffix(path, ".so")) {
+            cons_show("Plugins must have one of the following extensions: '.py' '.so'");
+            free(path);
+            return TRUE;
+        }
+
+        GString* error_message = g_string_new(NULL);
+        gchar *plugin_name = g_path_get_basename(path);
+        gboolean result = plugins_unload(plugin_name);
+        result |= plugins_uninstall(plugin_name);
+        result |= plugins_install(plugin_name, path, error_message);
+        if (result) {
+            cons_show("Plugin installed: %s", plugin_name);
+        } else {
+            cons_show("Failed to install plugin: %s. %s", plugin_name, error_message->str);
+        }
+        g_free(plugin_name);
+
+        free(path);
+        return TRUE;
+    }
+
+    if (is_dir(path)) {
+        return FALSE;
+    }
+
+    cons_show("Argument must be a file or directory.");
+    return TRUE;
+}
+
 gboolean
 cmd_plugins_uninstall(ProfWin *window, const char *const command, gchar **args)
 {
diff --git a/src/command/cmd_funcs.h b/src/command/cmd_funcs.h
index a00fce5d..f4933d44 100644
--- a/src/command/cmd_funcs.h
+++ b/src/command/cmd_funcs.h
@@ -162,6 +162,7 @@ gboolean cmd_console(ProfWin *window, const char *const command, gchar **args);
 gboolean cmd_plugins(ProfWin *window, const char *const command, gchar **args);
 gboolean cmd_plugins_sourcepath(ProfWin *window, const char *const command, gchar **args);
 gboolean cmd_plugins_install(ProfWin *window, const char *const command, gchar **args);
+gboolean cmd_plugins_update(ProfWin *window, const char *const command, gchar **args);
 gboolean cmd_plugins_uninstall(ProfWin *window, const char *const command, gchar **args);
 gboolean cmd_plugins_load(ProfWin *window, const char *const command, gchar **args);
 gboolean cmd_plugins_unload(ProfWin *window, const char *const command, gchar **args);
-- 
cgit 1.4.1-2-gfad0