Re: [systemd-devel] [PATCH] install: make reenable work with templated units

2013-07-13 Thread Zbigniew Jędrzejewski-Szmek
On Mon, Jun 17, 2013 at 07:11:50PM +0100, Ross Lagerwall wrote:
 Before, systemctl reenable getty@tty1.service would fail with:
 Failed to issue method call: File exists
 To fix this, reimplement reenable explicitly as a disable followed by
 an enable.
 This is shorter and is how the man page documents its behavior.
 ---
  src/shared/install.c |   38 +-
  1 file changed, 5 insertions(+), 33 deletions(-)
Hm, I don't get this error with reenable, but your patch indeed 
simplifies things, so I don't see a reason not to apply it: applied now.

Zbyszek
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Re: [systemd-devel] [PATCH] install: make reenable work with templated units

2013-07-13 Thread Ross Lagerwall
On Sat, Jul 13, 2013 at 04:12:33PM +0200, Zbigniew Jędrzejewski-Szmek wrote:
 On Mon, Jun 17, 2013 at 07:11:50PM +0100, Ross Lagerwall wrote:
  Before, systemctl reenable getty@tty1.service would fail with:
  Failed to issue method call: File exists
  To fix this, reimplement reenable explicitly as a disable followed by
  an enable.
  This is shorter and is how the man page documents its behavior.
  ---
   src/shared/install.c |   38 +-
   1 file changed, 5 insertions(+), 33 deletions(-)
 Hm, I don't get this error with reenable, but your patch indeed 
 simplifies things, so I don't see a reason not to apply it: applied now.


As far as I can recall, it would fail if
/etc/systemd/system/getty.target.wants/getty@tty1.service is set up as a
symlink to /usr/lib/systemd/system/getty@.service and then systemctl
reenable getty@tty1.service is run.  I can't exactly remember but I
think it would fail because reenable would try to delete the
untemplated unit getty@.service (which would not exist) but then try
to create the templated unit getty@tty1.service which would still
exist hence the File exists error.  Thanks for applying the patch
anyway.

-- 
Ross Lagerwall
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[systemd-devel] [PATCH] install: make reenable work with templated units

2013-06-17 Thread Ross Lagerwall
Before, systemctl reenable getty@tty1.service would fail with:
Failed to issue method call: File exists
To fix this, reimplement reenable explicitly as a disable followed by
an enable.
This is shorter and is how the man page documents its behavior.
---
 src/shared/install.c |   38 +-
 1 file changed, 5 insertions(+), 33 deletions(-)

diff --git a/src/shared/install.c b/src/shared/install.c
index d2dd276..1bda79a 100644
--- a/src/shared/install.c
+++ b/src/shared/install.c
@@ -1533,43 +1533,15 @@ int unit_file_reenable(
 bool force,
 UnitFileChange **changes,
 unsigned *n_changes) {
+int r;
 
-_cleanup_lookup_paths_free_ LookupPaths paths = {};
-_cleanup_install_context_done_ InstallContext c = {};
-char **i;
-_cleanup_free_ char *config_path = NULL;
-_cleanup_set_free_free_ Set *remove_symlinks_to = NULL;
-int r, q;
-
-assert(scope = 0);
-assert(scope  _UNIT_FILE_SCOPE_MAX);
-
-r = lookup_paths_init_from_scope(paths, scope);
-if (r  0)
-return r;
-
-r = get_config_path(scope, runtime, root_dir, config_path);
+r = unit_file_disable(scope, runtime, root_dir, files, changes,
+  n_changes);
 if (r  0)
 return r;
 
-STRV_FOREACH(i, files) {
-r = mark_symlink_for_removal(remove_symlinks_to, *i);
-if (r  0)
-return r;
-
-r = install_info_add_auto(c, *i);
-if (r  0)
-return r;
-}
-
-r = remove_marked_symlinks(remove_symlinks_to, config_path, changes, 
n_changes, files);
-
-/* Returns number of symlinks that where supposed to be installed. */
-q = install_context_apply(c, paths, config_path, root_dir, force, 
changes, n_changes);
-if (r == 0)
-r = q;
-
-return r;
+return unit_file_enable(scope, runtime, root_dir, files, force,
+changes, n_changes);
 }
 
 int unit_file_set_default(
-- 
1.7.10.4

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