fix: strip --appimage-extract-and-run from linuxdeploy args in wrapper

tools/ld_wrapper.c

@@ -6,32 +6,38 @@
 
 int main(int argc, char **argv) {
     const char *appdir = "/root/linuxdeploy-root";
-    char apprun[256], ldbin[256], new_path[4096];
+    char apprun[256], ldbin[256], new_path[4096], new_ldpath[4096];
     struct stat st;
 
     snprintf(apprun, sizeof(apprun), "%s/AppRun", appdir);
     snprintf(ldbin, sizeof(ldbin), "%s/usr/bin/linuxdeploy", appdir);
 
-    fprintf(stderr, "[ld-wrapper] APPDIR=%s\n", appdir);
-    fprintf(stderr, "[ld-wrapper] AppRun exists: %s\n", stat(apprun, &st) == 0 ? "yes" : "NO");
-    fprintf(stderr, "[ld-wrapper] linuxdeploy exists: %s\n", stat(ldbin, &st) == 0 ? "yes" : "NO");
-    fflush(stderr);
+    /* Strip --appimage-extract-and-run: that's an AppImage runtime flag,
+       not a linuxdeploy flag. Passing it to the real binary causes immediate failure. */
+    char **new_argv = malloc((argc + 1) * sizeof(char *));
+    int new_argc = 0;
+    new_argv[new_argc++] = argv[0];
+    for (int i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "--appimage-extract-and-run") != 0) {
+            new_argv[new_argc++] = argv[i];
+        }
+    }
+    new_argv[new_argc] = NULL;
 
     setenv("APPDIR", appdir, 1);
+
     char *old_path = getenv("PATH");
     snprintf(new_path, sizeof(new_path), "%s/usr/bin:%s", appdir, old_path ? old_path : "");
     setenv("PATH", new_path, 1);
 
-    if (stat(ldbin, &st) == 0) {
-        fprintf(stderr, "[ld-wrapper] exec %s\n", ldbin);
-        fflush(stderr);
-        execv(ldbin, argv);
-        perror("[ld-wrapper] execv linuxdeploy");
-    }
+    char *old_ldpath = getenv("LD_LIBRARY_PATH");
+    snprintf(new_ldpath, sizeof(new_ldpath), "%s/usr/lib:%s/usr/lib/x86_64-linux-gnu:%s",
+             appdir, appdir, old_ldpath ? old_ldpath : "");
+    setenv("LD_LIBRARY_PATH", new_ldpath, 1);
 
-    fprintf(stderr, "[ld-wrapper] fallback exec %s\n", apprun);
-    fflush(stderr);
-    execv(apprun, argv);
-    perror("[ld-wrapper] execv AppRun");
+    if (stat(ldbin, &st) == 0) {
+        execv(ldbin, new_argv);
+    }
+    execv(apprun, new_argv);
     return 1;
 }