gpgconf: Support --homedir for --launch.

* tools/gpgconf-comp.c (gpg_agent_runtime_change): Simplify because
gnupg_homedir already returns abd absolute name.
(scdaemon_runtime_change): Ditto.
(dirmngr_runtime_change): Ditto.
(gc_component_launch): Support --homedir.
--

GnuPG-bug-id: 4496
Signed-off-by: Werner Koch <[email protected]>

2 files changed, 11 insertions, 16 deletions

diff --git a/doc/tools.texi b/doc/tools.texi
index 2ff6afa92..dc5ca2515 100644
--- a/doc/tools.texi
+++ b/doc/tools.texi
@@ -393,6 +393,8 @@ extends numerical field values by human-readable descriptions.
 @opindex quiet
 Try to be as quiet as possible.
 
+@include opt-homedir.texi
+
 @item -n
 @itemx --dry-run
 Do not actually change anything.  This is currently only implemented
diff --git a/tools/gpgconf-comp.c b/tools/gpgconf-comp.c
index 79a7489f9..19912baf2 100644
--- a/tools/gpgconf-comp.c
+++ b/tools/gpgconf-comp.c
@@ -1152,12 +1152,8 @@ gpg_agent_runtime_change (int killflag)
   pgmname = gnupg_module_name (GNUPG_MODULE_NAME_CONNECT_AGENT);
   if (!gnupg_default_homedir_p ())
     {
-      abs_homedir = make_absfilename_try (gnupg_homedir (), NULL);
-      if (!abs_homedir)
-        err = gpg_error_from_syserror ();
-
       argv[i++] = "--homedir";
-      argv[i++] = abs_homedir;
+      argv[i++] = gnupg_homedir ();
     }
   argv[i++] = "--no-autostart";
   argv[i++] = killflag? "KILLAGENT" : "RELOADAGENT";
@@ -1195,12 +1191,8 @@ scdaemon_runtime_change (int killflag)
   pgmname = gnupg_module_name (GNUPG_MODULE_NAME_CONNECT_AGENT);
   if (!gnupg_default_homedir_p ())
     {
-      abs_homedir = make_absfilename_try (gnupg_homedir (), NULL);
-      if (!abs_homedir)
-        err = gpg_error_from_syserror ();
-
       argv[i++] = "--homedir";
-      argv[i++] = abs_homedir;
+      argv[i++] = gnupg_homedir ();
     }
   argv[i++] = "-s";
   argv[i++] = "--no-autostart";
@@ -1239,12 +1231,8 @@ dirmngr_runtime_change (int killflag)
     argv[3] = NULL;
   else
     {
-      abs_homedir = make_absfilename_try (gnupg_homedir (), NULL);
-      if (!abs_homedir)
-        err = gpg_error_from_syserror ();
-
       argv[3] = "--homedir";
-      argv[4] = abs_homedir;
+      argv[4] = gnupg_homedir ();
       argv[5] = NULL;
     }
 
@@ -1266,7 +1254,7 @@ gc_component_launch (int component)
 {
   gpg_error_t err;
   const char *pgmname;
-  const char *argv[3];
+  const char *argv[5];
   int i;
   pid_t pid;
 
@@ -1288,6 +1276,11 @@ gc_component_launch (int component)
 
   pgmname = gnupg_module_name (GNUPG_MODULE_NAME_CONNECT_AGENT);
   i = 0;
+  if (!gnupg_default_homedir_p ())
+    {
+      argv[i++] = "--homedir";
+      argv[i++] = gnupg_homedir ();
+    }
   if (component == GC_COMPONENT_DIRMNGR)
     argv[i++] = "--dirmngr";
   argv[i++] = "NOP";