81 lines
1.6 KiB
Lua
Executable File
81 lines
1.6 KiB
Lua
Executable File
#!/usr/bin/env lua
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-- script to compare the packages versions in 2 iso images
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-- usage: compare-apks
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maxlen = 0
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function read_package_list(file)
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local a = {}
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local h
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-- h = io.popen("tar -O -zxf ".. file.." -- apks/INDEX.md5.gz | gunzip -c | awk '{ print $2}'")
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h = io.popen("isoinfo -R -f -i "..file.." | grep '.apk$' | sed 's:.*/::'")
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for line in h:lines() do
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p, v = string.match(line, "^(.+)-(%d.*).apk")
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a[p] = v
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if maxlen < #p + #v + 2 then
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maxlen = #p + #v + 2
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end
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end
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h:close()
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return a
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end
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-- print all packages that exist in a1 but not in a2
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function missing_packages(a1, a2)
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local ret = {}
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local p,v
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for p,v in pairs(a1) do
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if a2[p] == nil then
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table.insert(ret, p.."-"..v)
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end
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end
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table.sort(ret)
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return ret
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end
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function unexpand_tabs(s, tab)
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tab = tab or 8
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local pat = string.rep(".", tab)
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s = string.gsub(s, pat, "%0\1")
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s = string.gsub(s, " +\1", "\t")
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s = string.gsub(s, "\1", "")
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return s
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end
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function upgraded_packages(a1, a2)
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local p,v, tmp
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local a = {}
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for p,v in pairs(a2) do
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if a1[p] and a1[p] ~= v then
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tmp = unexpand_tabs(string.format("%-"..tostring(maxlen).."s(%s)",
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p.."-"..v, a1[p]))
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table.insert(a, tmp)
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end
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end
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table.sort(a)
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return a
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end
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apks1 = read_package_list(arg[1])
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apks2 = read_package_list(arg[2])
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print("Removed packages:")
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for dummy,line in ipairs(missing_packages(apks1, apks2)) do
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print(line)
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end
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print("\n")
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print("New packages:")
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for dummy,line in ipairs(missing_packages(apks2, apks1)) do
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print(line)
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end
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print("\n")
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print("Upgraded/downgraded packages (from version):")
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for dummy,line in ipairs(upgraded_packages(apks1, apks2)) do
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print(line)
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end
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