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Add documentation for all/most built-in macros 

This hasn't seen much love in recent decades, ugh...
This commit is contained in:
Panu Matilainen 2017-08-31 15:15:29 +03:00
parent 58213365e9
commit 1a08ab7e30
1 changed files with 13 additions and 0 deletions
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doc/manual/macros
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@ -66,6 +66,7 @@ to perform useful operations. The current list is
%trace toggle print of debugging information before/after
expansion
%dump print the active (i.e. non-covered) macro table
%verbose is rpm in verbose mode?
%{echo:...} print ... to stdout
%{warn:...} print warning: ... to stderr
@ -75,12 +76,24 @@ to perform useful operations. The current list is
%undefine ... undefine a macro
%global ... define a macro whose body is available in global context
%{basename:...} basename(1) macro analogue
%{dirname:...} dirname(1) macro analogue
%{suffix:...} expand to suffix part of a file name
%{url2path:...} convert url to a local path
%{getenv:...} getenv(3) macro analogue
%{getconfdir:...} expand to rpm "home" directory (typically /usr/lib/rpm)
%{uncompress:...} expand ... to <file> and test to see if <file> is
compressed. The expansion is
cat <file> # if not compressed
gzip -dc <file> # if gzip'ed
bzip2 -dc <file> # if bzip'ed
%{lua:...} expand using the embedded Lua interpreter
%{expand:...} like eval, expand ... to <body> and (re-)expand <body>
%{shrink:...} trim leading and trailing whitespace, reduce
intermediate whitespace to a single space
%{quote:...} quote a parametric macro argument, needed to pass
empty strings or strings with whitespace
%{S:...} expand ... to <source> file name
%{P:...} expand ... to <patch> file name