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authorChris Atkinson <cwa@pipeline.com>2015-01-01 16:35:34 -0500
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2015-01-05 22:49:56 -0500
commit995084c7b4683190404ec90f8924b3433b5a1a18 (patch)
tree0438a36c137b66e3066cb357750a0f39affe51f4 /man/systemd.unit.xml
parent15f7a395c8f0b493c5ab8f57e6af7db7ad14688a (diff)
man: clarify path escaping and reference systemd-escape
This patch adds more detail to the description of how path escaping operates and provides a pointer to the systemd-escape program. Either would serve to answer the question raised in the bug report, so hopefully this will allow it to be closed. https://bugs.freedesktop.org/show_bug.cgi?id=87688
Diffstat (limited to 'man/systemd.unit.xml')
-rw-r--r--man/systemd.unit.xml17
1 files changed, 11 insertions, 6 deletions
diff --git a/man/systemd.unit.xml b/man/systemd.unit.xml
index 1afa600a08..ae243d6719 100644
--- a/man/systemd.unit.xml
+++ b/man/systemd.unit.xml
@@ -229,12 +229,17 @@
the file system namespace. If this applies, a special
way to escape the path name is used, so that the
result is usable as part of a filename. Basically,
- given a path, "/" is replaced by "-", and all
- unprintable characters and the "-" are replaced by
- C-style "\x2d" escapes. The root directory "/" is
- encoded as single dash, while otherwise the initial
- and ending "/" is removed from all paths during
- transformation. This escaping is reversible.</para>
+ given a path, "/" is replaced by "-" and all other
+ characters which are not ASCII alphanumerics are
+ replaced by C-style "\x2d" escapes (except that "_"
+ is never replaced and "." is only replaced when it
+ would be the first character in the escaped path).
+ The root directory "/" is encoded as single dash,
+ while otherwise the initial and ending "/" are removed
+ from all paths during transformation. This escaping
+ is reversible. Properly escaped paths can be generated
+ using the <citerefentry><refentrytitle>systemd-escape</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ command.</para>
<para>Optionally, units may be instantiated from a
template file at runtime. This allows creation of