4 files changed, 24 insertions, 9 deletions
diff --git a/src/nvim/ex_cmds.lua b/src/nvim/ex_cmds.lua
index 81a0610a90..0e8cf21d69 100644
--- a/src/nvim/ex_cmds.lua
+++ b/src/nvim/ex_cmds.lua
@@ -1850,7 +1850,7 @@ return {
   },
   {
     command='packadd',
-    flags=bit.bor(BANG, FILE1, TRLBAR, SBOXOK, CMDWIN),
+    flags=bit.bor(BANG, FILE1, NEEDARG, TRLBAR, SBOXOK, CMDWIN),
     addr_type=ADDR_LINES,
     func='ex_packadd',
   },
diff --git a/src/nvim/ex_cmds2.c b/src/nvim/ex_cmds2.c
index 6bfa494094..8e88a55d41 100644
--- a/src/nvim/ex_cmds2.c
+++ b/src/nvim/ex_cmds2.c
@@ -2277,8 +2277,7 @@ static void source_callback(char_u *fname, void *cookie)
 
 /// Source the file "name" from all directories in 'runtimepath'.
 /// "name" can contain wildcards.
-/// When "flags" has DIP_ALL: source all files, otherwise only the first one.
-/// When "flags" has DIP_DIR: find directories instead of files.
+/// When "all" is true: source all files, otherwise only the first one.
 ///
 /// return FAIL when no file could be sourced, OK otherwise.
 int source_runtime(char_u *name, int all)
@@ -2288,7 +2287,16 @@ int source_runtime(char_u *name, int all)
 
 #define DIP_ALL 1  // all matches, not just the first one
 #define DIP_DIR 2  // find directories instead of files.
+#define DIP_ERR 4  // give an error message when none found.
 
+/// Find the file "name" in all directories in "path" and invoke
+/// "callback(fname, cookie)".
+/// "name" can contain wildcards.
+/// When "flags" has DIP_ALL: source all files, otherwise only the first one.
+/// When "flags" has DIP_DIR: find directories instead of files.
+/// When "flags" has DIP_ERR: give an error message if there is no match.
+///
+/// return FAIL when no file could be sourced, OK otherwise.
 static int do_in_path(char_u *path, char_u *name, int flags,
                       DoInRuntimepathCB callback, void *cookie)
 {
@@ -2357,10 +2365,16 @@ static int do_in_path(char_u *path, char_u *name, int flags,
   }
   xfree(buf);
   xfree(rtp_copy);
-  if (p_verbose > 0 && !did_one && name != NULL) {
-    verbose_enter();
-    smsg(_("not found in 'runtimepath': \"%s\""), name);
-    verbose_leave();
+  if (!did_one && name != NULL) {
+    char *basepath = path == p_rtp ? "runtimepath" : "packpath";
+
+    if (flags & DIP_ERR) {
+      EMSG3(_(e_dirnotf), basepath, name);
+    } else if (p_verbose > 0) {
+      verbose_enter();
+      smsg(_("not found in '%s': \"%s\""), basepath, name);
+      verbose_leave();
+    }
   }
 
 
@@ -2497,7 +2511,7 @@ void ex_packadd(exarg_T *eap)
   size_t len = STRLEN(plugpat) + STRLEN(eap->arg);
   char *pat = (char *)xmallocz(len);
   vim_snprintf(pat, len, plugpat, eap->arg);
-  do_in_path(p_pp, (char_u *)pat, DIP_ALL + DIP_DIR, add_pack_plugin,
+  do_in_path(p_pp, (char_u *)pat, DIP_ALL + DIP_DIR + DIP_ERR, add_pack_plugin,
              eap->forceit ? NULL : p_pp);
   xfree(pat);
 }
diff --git a/src/nvim/globals.h b/src/nvim/globals.h
index 7f91903106..bfe2ec7fc7 100644
--- a/src/nvim/globals.h
+++ b/src/nvim/globals.h
@@ -1223,6 +1223,7 @@ EXTERN char_u e_invalpat[] INIT(= N_(
 EXTERN char_u e_bufloaded[] INIT(= N_("E139: File is loaded in another buffer"));
 EXTERN char_u e_notset[] INIT(= N_("E764: Option '%s' is not set"));
 EXTERN char_u e_invalidreg[] INIT(= N_("E850: Invalid register name"));
+EXTERN char_u e_dirnotf[] INIT(= N_("E919: Directory not found in '%s': \"%s\""));
 EXTERN char_u e_unsupportedoption[] INIT(= N_("E519: Option not supported"));
 
 
diff --git a/src/nvim/version.c b/src/nvim/version.c
index 36f9fecf64..6f5ebb751d 100644
--- a/src/nvim/version.c
+++ b/src/nvim/version.c
@@ -196,7 +196,7 @@ static int included_patches[] = {
   // 1502 NA
   // 1501 NA
   1500,
-  // 1499,
+  1499,
   // 1498 NA
   // 1497 NA
   // 1496 NA