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# MAINTAINER: portmgr@FreeBSD.org
#
# @sample etc/somefile.conf.sample
# or
# @sample file1 file2
#
# Where file1 is considered as a sample file and file2 the target file
#
# This will install the somefile.conf.sample and automatically copy to
# somefile.conf if it doesn't exist. On deinstall it will remove the
# somefile.conf if it still matches the sample, otherwise it is
# kept.
#
# This replaces the old pattern:
# @unexec if cmp -s %D/etc/pkgtools.conf %D/etc/pkgtools.conf.sample; then rm -f %D/etc/pkgtools.conf; fi
# etc/pkgtools.conf.sample
# @exec [ -f %B/pkgtools.conf ] || cp %B/%f %B/pkgtools.conf
actions: [file(1)]
arguments: true
prepackaging: <<EOS
if #arg == 1 then
if string.find(arg[1], "%.sample$") == nil then
io.stderr:write("@sample with 1 single argument expect \".sample\" extension\n")
return(1)
end
elseif #arg == 2 then
if arg[1] == arg[2] then
io.stderr:write("@sample: 2 identicals arguments are provided\n")
return(1)
end
else
io.stderr:write("@sample expect 1 or 2 arguments, got " .. #arg .. "\n")
return(1)
end
EOS
post-install-lua: <<EOS
args = {}
for arg in string.gmatch("%@", "%S+") do
table.insert(args, arg)
end
sample_file = pkg.prefixed_path(args[1])
if args[2] == nil then
target_file = string.gsub(sample_file,'%.sample$', "")
else
target_file = pkg.prefixed_path(args[2])
end
if not pkg.stat(target_file) then
pkg.copy(sample_file, target_file)
end
EOS
pre-deinstall-lua: <<EOS
args = {}
for arg in string.gmatch("%@", "%S+") do
table.insert(args, arg)
end
sample_file = pkg.prefixed_path(args[1])
if args[2] == nil then
target_file = string.gsub(sample_file,'%.sample$', "")
else
target_file = pkg.prefixed_path(args[2])
end
if pkg.filecmp(sample_file, target_file) == 0 then
os.remove(target_file)
else
pkg.print_msg("You may need to manually remove " .. target_file .. " if it is no longer needed.")
end
EOS
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