X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=doc%2FPROGRAMMING;h=b6d3d16e231aeaa9c744290667cddc4f0b271d21;hb=fb8f18f4a98669c3b85e1bd7920fbabfc00b886e;hp=c3530f26f5f82319a09fcb8fa02e0849f29bb587;hpb=4433049e1c444db9536be2141431d98b0ea438e4;p=debhelper.git

diff --git a/doc/PROGRAMMING b/doc/PROGRAMMING
index c3530f2..b6d3d16 100644
--- a/doc/PROGRAMMING
+++ b/doc/PROGRAMMING
@@ -216,9 +216,10 @@ addsubstvar($package, $substvar, $deppackage, $verinfo, $remove)
 	- version info for the package (optional) (ie: ">= 1.1")
 	- if this last parameter is passed, the thing that would be added
 	  is removed instead. This can be useful to ensure that a debhelper
-	  command is idempotent. Note that without this parameter, if you
-	  call the function twice with the same values it will only add one
-	  item to the substvars file.
+	  command is idempotent. (However, we generally don't bother,
+	  and rely on the user calling dh_prep.) Note that without this
+	  parameter, if you call the function twice with the same values it
+	  will only add one item to the substvars file.
 delsubstvar($package, $substvar)
 	This function removes the entire line for the substvar from the
 	package's shlibs file.
@@ -232,9 +233,11 @@ udeb_filename($package)
 	Returns the filename of the udeb package.
 getpackages($type)
 	Returns a list of packages in the control file.
-	Must pass "arch" or "indep" or "same" to specify arch-dependent or
-	-independent or same arch packages. If nothing is specified, returns all
-	packages.
+	Pass "arch" or "indep" to specify arch-dependent or
+	-independent. If nothing is specified, returns all
+	packages (including packages that are not built
+	for this architecture). Pass "both" to get the union
+	of "arch" and "indep" packages.
 	As a side effect, populates %package_arches and %package_types with
 	the types of all packages (not only those returned).
 inhibit_log()
@@ -266,10 +269,23 @@ remove_command($existing_command)
 	Remove $existing_command from the list of commands to run
 	in all sequences.
 
-add_command($sequence, $new_command)
+add_command($new_command, $sequence)
 	Add $new_command to the beginning of the specified sequence.
 	If the sequence does not exist, it will be created.
 
+add_command_options($command, $opt1, $opt2, ...)
+	Append $opt1, $opt2 etc. to the list of additional options which
+	dh passes when running the specified $command. These options are
+	not relayed to debhelper commands called via $command override.
+
+remove_command_options($command)
+	Clear all additional $command options previously added with
+	add_command_options().
+
+remove_command_options($command, $opt1, $opt2, ...)
+	Remove $opt1, $opt2 etc. from the list of additional options which
+	dh passes when running the specified $command.
+
 Buildsystem Classes:
 -------------------