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Add essential maid up and maid down functionality to maid.cr

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Donovan Glover 2017-11-19 21:14:01 -05:00
parent b294e4eea7
commit 0681a7d0f1
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1 changed files with 41 additions and 14 deletions
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src/maid.cr
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@ -87,39 +87,66 @@ module Maid
exit 1
end
# 'maid up' will update all files upstream with the ones downstream
# 'maid up <file>' to update a specific file
def up()
# TODO: If no file was given, update all the files (?)
# May be safer to only update one file at a time
if ARGV.size == 1
_e("You must specify the file to push to upstream.")
exit 1
end
# TODO: If the file exists downstream *and* if it exists upstream,
# then update the file upstream with the file downstream, stating the changes
# TODO: Check that the file is indeed different before changing it
# Otherwise state that the file didn't exist downstream / upstream
upstream = ENV["HOME"] + Maid::UPSTREAM + "/" + ARGV[1]
downstream = ENV["HOME"] + "/" + ARGV[1]
# Since we can't update the files upstream without knowing which ones to update,
# we need to make sure that a downstream version exists as well as upstream
# If you use 'maid up <file>' and the file does not exist, it will behave like 'maid add'
if File.exists?(upstream) && File.exists?(downstream)
unless FileUtils.cmp(upstream, downstream)
File.write(upstream, File.read(downstream))
if FileUtils.cmp(upstream, downstream)
puts "Successfully updated " + upstream.sub(ENV["HOME"], "~") + "!"
else
puts "Uh oh. The files appear to still differ. This should never happen."
end
else
puts "Both files exist, but they're the same, so there's no reason to update."
end
else
puts "The file exists downstream but not upstream. Using 'maid add'."
end
exit 0
end
# 'maid down' will update all files downstream with the ones upstream
# 'maid down <file>' to update a specific file
def down()
# TODO: 'maid down' pulls all the files from upstream to downstream (?)
# Could make an explicit 'maid down all' instead, similar to 'maid up all' (?)
if ARGV.size == 1
_e("You must specify the file to fetch from upstream.")
exit 1
end
# TODO: If the file exists upstream but not downstream, don't update it (?)
# Could make it so that 'maid down' simply pulls all the files that already exist
# and 'maid down all' pulls files that don't exist yet
# TODO: Similar to up(), check that the files are different before changing them
upstream = ENV["HOME"] + Maid::UPSTREAM + "/" + ARGV[1]
downstream = ENV["HOME"] + "/" + ARGV[1]
if File.exists?(upstream)
if File.exists?(downstream) && !FileUtils.cmp(upstream, downstream)
File.write(downstream, File.read(upstream))
if FileUtils.cmp(upstream, downstream)
puts "Successfully updated " + downstream.sub(ENV["HOME"], "~") + "!"
else
puts "Uh oh. The files appear to still differ. This should never happen."
end
else
puts "Both files exist, but they're the same, so there's no reason to update."
end
else
puts "The file must exist upstream before you can use it."
end
exit 0
end