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Grab v2.4.10.9-alpha

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Add uninstall with force mode.
This commit is contained in:
Kirigaya Kazuto 2019-01-10 16:02:50 +08:00
parent 007039d5c6
commit 393820e20b
1 changed files with 48 additions and 28 deletions
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72
grab.lua
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@ -9,7 +9,7 @@ local event=require('event')
local term=require('term')
local args,options=shell.parse(...)
local grab_version="Grab v2.4.10.6-alpha"
local grab_version="Grab v2.4.10.9-alpha"
local grab_version_info={
version=grab_version
}
@ -662,9 +662,15 @@ local function getshowspeed(n)
end
end
local function try_resolve_path(src,dst)
local function try_resolve_path(src,dst,only_parse)
-- TIPS:
-- filesystem.makeDirectory(...) can throw error because it does not check arguments.
local fsMakeDir
if(not only_parse) then
fsMakeDir=filesystem.makeDirectory
else
fsMakeDir=function() return true end
end
if(type(src)~="string") then -- Only source path is specified in programs.info
local segs=filesystem.segments(dst)
@ -682,7 +688,7 @@ local function try_resolve_path(src,dst)
)
if(dst:sub(dst:len())=='/') then -- dst is a directory. prepare it and build the filename.
if(not filesystem.makeDirectory(dst) and not filesystem.exists(dst)) then
if(not fsMakeDir(dst) and not filesystem.exists(dst)) then
return false,"Failed to create directory: " .. dst
else
local tb_segsrc=filesystem.segments(src)
@ -692,7 +698,7 @@ local function try_resolve_path(src,dst)
local tb_segdst=filesystem.segments(dst)
if(#tb_segdst>1) then
local name=table.concat(tb_segdst,"/",1,#tb_segdst-1)
if(not filesystem.makeDirectory(name) and not filesystem.exists(name)) then
if(not fsMakeDir(name) and not filesystem.exists(name)) then
return false,"Failed to create directory: " .. name
end
end
@ -1105,12 +1111,19 @@ if(args[1]=="uninstall") then
return
end
local to_uninstall={}
for i=2,#args do
to_uninstall[args[i]]=true
print("Checking programs info...")
if(options["f"] or options["force"]) then
print("[WARN] Using force mode. I sure hope you know what you are doing.")
end
for this_lib in pairs(to_uninstall) do
local to_uninstall={}
for i=2,#args do
to_uninstall[args[i]]={}
end
local count_byte=0
for this_lib,this_files in pairs(to_uninstall) do
if(not db[this_lib]) then
print("Library '" .. this_lib .. "' not found.")
local maybe_this=miss_suggestion(this_lib,db)
@ -1118,6 +1131,22 @@ if(args[1]=="uninstall") then
print("Do you mean '" .. maybe_this .. "'")
end
return
else
for k,v in pairs(db[this_lib].files) do
local ok,filename=try_resolve_path(k,v,true)
if(not ok) then
print("[Resolve Error] " .. filename)
return
end
if(not (options["f"] or options["force"]) and not filesystem.exists(filename)) then
print("[Error] Library " .. this_lib .. " check failed.")
print("[Error] Missing file: " .. filename)
print("[Error] Library might be corrupted or missing. Try reinstall it or uninstall it in force mode.")
return
end
count_byte=count_byte+filesystem.size(filename)
table.insert(this_files,filename)
end
end
end
@ -1125,37 +1154,28 @@ if(args[1]=="uninstall") then
local count_libs=0
local count_files=0
io.write("\t")
for this_lib in pairsKey(to_uninstall) do
for this_lib,this_files in pairsKey(to_uninstall) do
io.write(this_lib .. " ")
count_libs=count_libs+1
for k in pairs(db[this_lib].files) do
count_files=count_files+1
count_files=count_files+#this_files
end
end
print("\n" .. count_libs .. " libraries will be uninstalled. " .. count_files .. " files will be removed.")
print("\n" .. count_libs .. " libraries will be uninstalled. " .. count_files .. " files will be removed. " .. getshowbyte(count_byte) .. " disk space will be freed.")
print("Removing...")
local count_byte=0
local id_current=0
for this_lib in pairs(to_uninstall) do
for k,v in pairs(db[this_lib].files) do
for this_lib,this_files in pairs(to_uninstall) do
for k,filename in pairs(this_files) do
id_current=id_current+1
io.write("[" .. id_current .. "/" .. count_files .. "] Resolving... ")
local ok,filename=try_resolve_path(k,v)
if(not ok) then
print("[Error] " .. filename)
return
end
term.clearLine()
io.write("[" .. id_current .. "/" .. count_files .. "] Deleting " .. filename .. " for " .. this_lib .. "... ")
count_byte=count_byte+filesystem.size(filename)
local ok,err=filesystem.remove(filename)
if(not ok) then
if(not (options["f"] or options["force"])) then
print("[Failed] " .. err)
return
else
print("[Skipped] " .. err)
end
else
print("[OK]")
end