man: document which condition tests follow symlinks

ConditionPathExists and ConditionFileIsExecutable follow symlinks.
ConditionPathIsDirectory does not follow symlinks.
(XXX: is this actually the desired behavior?)

diff --git a/man/systemd.unit.xml b/man/systemd.unit.xml
index b222f9f064ef1deef85f71f5a8a93d8d1af75b25..a94476acb89e788ba07c1e2eac75942f69b6afee 100644 (file)
--- a/man/systemd.unit.xml
+++ b/man/systemd.unit.xml
@@ -679,7 +679,7 @@
                                 a file existence condition can be
                                 checked before a unit is started. If
                                 the specified absolute path name does
                                 a file existence condition can be
                                 checked before a unit is started. If
                                 the specified absolute path name does

-                                not exist startup of a unit will not
+                                not exist, startup of a unit will not

                                 actually happen, however the unit is
                                 still useful for ordering purposes in
                                 this case. The condition is checked at
                                 actually happen, however the unit is
                                 still useful for ordering purposes in
                                 this case. The condition is checked at


@@ -689,23 +689,22 @@
                                 <varname>ConditionPathExists=</varname>
                                 is prefixed with an exclamation mark
                                 (!), the test is negated, and the unit
                                 <varname>ConditionPathExists=</varname>
                                 is prefixed with an exclamation mark
                                 (!), the test is negated, and the unit

-                                only started if the path does not
-                                exist. <varname>ConditionPathExistsGlob=</varname>
-                                work in a similar way, but checks for
-                                the existance of at least one file or
+                                is only started if the path does not
+                                exist. The test follows symlinks.
+                                <varname>ConditionPathExistsGlob=</varname>
+                                works in a similar way, but checks for
+                                the existence of at least one file or

                                 directory matching the specified
                                 directory matching the specified

-                                globbing
-                                pattern. <varname>ConditionPathIsDirectory=</varname>
-                                is similar to
-                                <varname>ConditionPathExists=</varname>
-                                but verifies whether a certain path
-                                exists and is a
-                                directory. <varname>ConditionFileIsExecutable=</varname>
-                                is similar to
-                                <varname>ConditionPathExists=</varname>
-                                but verifies whether a certain path
-                                exists, is a regular file and marked
-                                executable.
+                                globbing pattern.
+                                <varname>ConditionPathIsDirectory=</varname>
+                                is similar to <varname>ConditionPathExists=</varname>
+                                but verifies whether a certain path exists and
+                                is a directory. It does not follow symlinks.
+                                <varname>ConditionFileIsExecutable=</varname>
+                                is similar to <varname>ConditionPathExists=</varname>
+                                but verifies whether a certain path exists,
+                                is a regular file and marked executable.
+                                It follows symlinks.

                                 <varname>ConditionDirectoryNotEmpty=</varname>
                                 is similar to
                                 <varname>ConditionPathExists=</varname>
                                 <varname>ConditionDirectoryNotEmpty=</varname>
                                 is similar to
                                 <varname>ConditionPathExists=</varname>