mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-22 21:50:55 +00:00
bb42c215e2
- Update the instructions for re-generating each of the package set files. - Provide test-evaluation.nix expression to verify that the package sets evaluates. - Update list of known broken packages.
62 lines
2.8 KiB
R
Executable file
62 lines
2.8 KiB
R
Executable file
#!/usr/bin/env Rscript
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library(data.table)
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library(parallel)
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cl <- makeCluster(10)
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mirrorType <- commandArgs(trailingOnly=TRUE)[1]
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stopifnot(mirrorType %in% c("bioc","cran"))
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packagesFile <- paste(mirrorType, 'packages.nix', sep='-')
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readFormatted <- as.data.table(read.table(skip=6, sep='"', text=head(readLines(packagesFile), -1)))
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mirrorUrls <- list( bioc="http://bioconductor.statistik.tu-dortmund.de/packages/3.2/bioc/src/contrib/"
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, cran="http://cran.r-project.org/src/contrib/"
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)
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mirrorUrl <- mirrorUrls[mirrorType][[1]]
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knownPackages <- lapply(mirrorUrls, function(url) as.data.table(available.packages(url, filters=c("R_version", "OS_type", "duplicates"))))
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pkgs <- knownPackages[mirrorType][[1]]
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setkey(pkgs, Package)
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knownPackages <- c(unique(do.call("rbind", knownPackages)$Package))
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knownPackages <- sapply(knownPackages, gsub, pattern=".", replacement="_", fixed=TRUE)
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nixPrefetch <- function(name, version) {
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prevV <- readFormatted$V2 == name & readFormatted$V4 == version
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if (sum(prevV) == 1) as.character(readFormatted$V6[ prevV ]) else
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system(paste0("nix-prefetch-url --type sha256 ", mirrorUrl, name, "_", version, ".tar.gz"), intern=TRUE)
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}
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formatPackage <- function(name, version, sha256, depends, imports, linkingTo) {
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attr <- gsub(".", "_", name, fixed=TRUE)
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depends <- paste( if (is.na(depends)) "" else gsub("[ \t\n]+", "", depends)
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, if (is.na(imports)) "" else gsub("[ \t\n]+", "", imports)
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, if (is.na(linkingTo)) "" else gsub("[ \t\n]+", "", linkingTo)
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, sep=","
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)
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depends <- unlist(strsplit(depends, split=",", fixed=TRUE))
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depends <- sapply(depends, gsub, pattern="([^ \t\n(]+).*", replacement="\\1")
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depends <- sapply(depends, gsub, pattern=".", replacement="_", fixed=TRUE)
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depends <- depends[depends %in% knownPackages]
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depends <- paste(sort(unique(depends)), collapse=" ")
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paste0(attr, " = derive { name=\"", name, "\"; version=\"", version, "\"; sha256=\"", sha256, "\"; depends=[", depends, "]; };")
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}
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clusterExport(cl, c("nixPrefetch","readFormatted", "mirrorUrl", "knownPackages"))
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pkgs <- as.data.table(available.packages(mirrorUrl, filters=c("R_version", "OS_type", "duplicates")))
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pkgs <- pkgs[order(Package)]
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pkgs$sha256 <- parApply(cl, pkgs, 1, function(p) nixPrefetch(p[1], p[2]))
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nix <- apply(pkgs, 1, function(p) formatPackage(p[1], p[2], p[18], p[4], p[5], p[6]))
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cat("# This file is generated from generate-r-packages.R. DO NOT EDIT.\n")
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cat("# Execute the following command to update the file.\n")
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cat("#\n")
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cat(paste("# Rscript generate-r-packages.R", mirrorType, ">new && mv new", packagesFile))
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cat("\n\n")
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cat("{ self, derive }: with self; {\n")
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cat(paste(nix, collapse="\n"), "\n")
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cat("}\n")
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stopCluster(cl)
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