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-rw-r--r--doc/guix.texi19
1 files changed, 13 insertions, 6 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index ddb0763495..bd853e6eac 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -3299,6 +3299,9 @@ like:
(return (service
(documentation "Run libc's name service cache daemon.")
(provision '(nscd))
+ (activate #~(begin
+ (use-modules (guix build utils))
+ (mkdir-p "/var/run/nscd")))
(start #~(make-forkexec-constructor
(string-append #$glibc "/sbin/nscd")
"-f" "/dev/null" "--foreground"))
@@ -3307,12 +3310,16 @@ like:
@end lisp
@noindent
-The @code{start} and @code{stop} fields are G-expressions
-(@pxref{G-Expressions}). They refer to dmd's facilities to start and
-stop processes (@pxref{Service De- and Constructors,,, dmd, GNU dmd
-Manual}). The @code{provision} field specifies the name under which
-this service is known to dmd, and @code{documentation} specifies on-line
-documentation. Thus, the commands @command{deco start ncsd},
+The @code{activate}, @code{start}, and @code{stop} fields are G-expressions
+(@pxref{G-Expressions}). The @code{activate} field contains a script to
+run at ``activation'' time; it makes sure that the @file{/var/run/nscd}
+directory exists before @command{nscd} is started.
+
+The @code{start} and @code{stop} fields refer to dmd's facilities to
+start and stop processes (@pxref{Service De- and Constructors,,, dmd,
+GNU dmd Manual}). The @code{provision} field specifies the name under
+which this service is known to dmd, and @code{documentation} specifies
+on-line documentation. Thus, the commands @command{deco start ncsd},
@command{deco stop nscd}, and @command{deco doc nscd} will do what you
would expect (@pxref{Invoking deco,,, dmd, GNU dmd Manual}).