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import future, osproc, strutils
{.passL: "-lalpm".}
proc vercmp(a: cstring, b: cstring): cint
{.cdecl, importc: "alpm_pkg_vercmp".}
proc getSourceVersion(relativePath: string): seq[string] =
let lines = execProcess("/bin/bash", ["-c",
"""source "$1/PKGBUILD" && echo "$epoch" && echo "$pkgver" && echo "$pkgrel"""",
"bash", relativePath], options = {}).split("\n")
if lines.len == 4:
lines[0 .. 2]
else:
@[]
proc handleBisect*(params: seq[string]): int =
let compareMethod = params[0]
let relativePath = params[1]
let compareVersion = params[2]
let (currentVersion, supported) = if compareMethod == "source":
(getSourceVersion(relativePath), true)
else:
(@[], false)
if not supported:
255
elif currentVersion.len != 3:
125
else:
let epoch = currentVersion[0].strip
let pkgver = currentVersion[1].strip
let pkgrel = currentVersion[2].strip
if pkgver.len == 0 or pkgrel.len == 0:
125
else:
let version = if epoch.len > 0:
epoch & ":" & pkgver & "-" & pkgrel
else:
pkgver & "-" & pkgrel
# this output is required by main program
echo(version)
if vercmp(compareVersion, version) > 0: 0 else: 1
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