* fetchcvs: cleanup, use nix-store --add-fixed like fetchurl/svn.

Argument "url" renamed to "cvsRoot" (it's not a URL).

svn path=/nixpkgs/trunk/; revision=10889
This commit is contained in:
Eelco Dolstra 2008-02-28 22:36:37 +00:00
parent 5883330e2c
commit 66738cc356
7 changed files with 70 additions and 77 deletions

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@ -3,7 +3,7 @@ stdenv.mkDerivation {
name = "synergy-cvs";
src = fetchcvs {
url = ":pserver:anonymous@synergy2.cvs.sourceforge.net:/cvsroot/synergy2";
cvsRoot = ":pserver:anonymous@synergy2.cvs.sourceforge.net:/cvsroot/synergy2";
module = "synergy";
date = "NOW";
sha256 = "ef8e2ebfda6e43240051a7af9417092b2af50ece8b5c6c3fbd908ba91c4fe068";

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@ -6,18 +6,17 @@ source $stdenv/setup
# should work (but didn't - got no response on #cvs)
# See als man Page for those options
ensureDir $out export
set -x
ensureDir export
if [ -n "$tag" ]; then
tag="-r $tag"
tag="-r $tag"
else
if [ -n "$date" ]; then
tag="-D $date"
else
tag="-D NOW"
fi
if [ -n "$date" ]; then
tag="-D $date"
else
tag="-D NOW"
fi
fi
cd export; cvs -f -d "$url" export $tag "$module"
mv */* $out
(cd export && cvs -f -z0 -d "$cvsRoot" export $tag "$module")
mv export/* $out
stopNest

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@ -3,11 +3,18 @@
# tag="<tagname>" (get version by tag name)
# If you don't specify neither one date="NOW" will be used (get latest)
{stdenv, cvs, nix}: {url, module, tag ? null, date ? null, sha256}:
{stdenv, cvs}:
{cvsRoot, module, tag ? null, date ? null, sha256}:
stdenv.mkDerivation {
name = "cvs-export";
builder = ./builder.sh;
buildInputs = [cvs nix];
inherit url module sha256 tag date;
buildInputs = [cvs];
outputHashAlgo = "sha256";
outputHashMode = "recursive";
outputHash = sha256;
inherit cvsRoot module sha256 tag date;
}

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@ -1,89 +1,80 @@
#! /bin/sh -e
url=$1
cvsRoot=$1
module=$2
tag=$3
hash=$4
expHash=$4
if test -z "$url"; then
echo "syntax: nix-prefetch-cvs URL MODULE [TAG [HASH]]" >&2
hashType=$NIX_HASH_ALGO
if test -z "$hashType"; then
hashType=sha256
fi
if test -z "$cvsRoot"; then
echo "syntax: nix-prefetch-cvs CVSROOT MODULE [TAG [HASH]]" >&2
exit 1
elif test -z "$module"; then
echo "syntax: nix-prefetch-cvs URL MODULE [TAG [HASH]]" >&2
echo "syntax: nix-prefetch-cvs CVSROOT MODULE [TAG [HASH]]" >&2
exit 1
fi
# Use a restrictive umask to ensure that the output in the Nix store
# is not group- or world-writable. Nix 0.10 complains about this.
umask 0022
# Determine the hash, unless it was given.
if test -z "$hash"; then
mkTempDir() {
tmpPath=$(mktemp -d -t nix-prefetch-cvs-XXXXXXXX)
trap removeTempDir EXIT SIGINT SIGQUIT
}
# !!! hacky; we should have a way to query the location of the store.
if storeDir=$(which nix-store); then
storeDir=$(dirname $(dirname "$storeDir"))/store
else
storeDir=/nix/store
removeTempDir() {
if test -n "$tmpPath"; then
rm -rf "$tmpPath" || true
fi
}
# !!! race? should be relatively safe, `svn export' barfs if $tmpPath exists.
cvsPath="cvs-checkout-tmp-$$"
tmpPath1=$storeDir/$cvsPath
# Test whether we have write permission in the store. If not,
# fetch to /tmp and don't copy to the store. This is a hack to
# make this script at least work somewhat in setuid installations.
if ! touch $tmpPath1 2> /dev/null; then
echo "(cannot write to the store, result won't be cached)" >&2
dummyMode=1
tmpPath1=/tmp/nix-prefetch-cvs-$$ # !!! security?
# If the hash was given, a file with that hash may already be in the
# store.
if test -n "$expHash"; then
finalPath=$(nix-store --print-fixed-path --recursive "$hashType" "$expHash" cvs-export)
if ! nix-store --check-validity "$finalPath" 2> /dev/null; then
finalPath=
fi
rm -f $tmpPath1
hash=$expHash
fi
# If we don't know the hash or a path with that hash doesn't exist,
# download the file and add it to the store.
if test -z "$finalPath"; then
mkTempDir
tmpFile=$tmpPath/cvs-export
#mkdir $tmpPath
# Perform the checkout.
if test -z "$tag"; then
rtag="-DNOW"
rtag="-DNOW"
else
rtag="-r $tag"
rtag="-r $tag"
fi
# CVS has a problem with absolute paths, so cd into the nix store
current=$(pwd)
cd $storeDir
cvs -f -d $url export $rtag -d $cvsPath $module >&2
# Change back to the original directory
cd $current
(cd "$tmpPath" && cvs -f -z7 -d $cvsRoot export $rtag -d cvs-export $module >&2)
# Compute the hash.
hash=$(nix-hash $tmpPath1)
echo "hash is $hash" >&2
hash=$(nix-hash --type $hashType $hashFormat $tmpFile)
if ! test -n "$QUIET"; then echo "hash is $hash" >&2; fi
# Rename it so that the fetchcvs builder can find it.
if test "$dummyMode" != 1; then
tmpPath2=$storeDir/cvs-checkout-tmp-$hash
test -e $tmpPath2 || mv $tmpPath1 $tmpPath2 # !!! race
# Add the downloaded file to the Nix store.
finalPath=$(nix-store --add-fixed --recursive "$hashType" $tmpFile)
if test -n "$expHash" -a "$expHash" != "$hash"; then
echo "hash mismatch for CVS root \`$cvsRoot'"
exit 1
fi
fi
# Create a Nix expression that does a fetchcvs.
nixExpr=$(dirname $0)/../../top-level/all-packages.nix
storeExpr=$( \
echo "(import $nixExpr {}).fetchcvs {url=\"$url\"; module=\"$module\"; tag=\"$tag\"; md5=\"$hash\";}" \
| nix-instantiate -)
if ! test -n "$QUIET"; then echo "path is $finalPath" >&2; fi
# Realise it.
finalPath=$(nix-store -r $storeExpr)
echo "path is $finalPath" >&2
if test -n "$tmpPath1" -o -n "$tmpPath2"; then
rm -rf $tmpPath1 $tmpPath2 || true
fi
echo "debug hash is $hash" >&2
echo $hash
if test -n "$PRINT_PATH"; then
echo "debug path is $finalPath" >&2
echo $finalPath
fi

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@ -9,9 +9,9 @@ stdenv.mkDerivation {
# Nix <= 0.7 compatibility.
/*id = if sha256 == "" then md5 else sha256;*/
outputHashAlgo = if sha256=="" then "md5" else "sha256";
outputHashAlgo = if sha256 == "" then "md5" else "sha256";
outputHashMode = "recursive";
outputHash = if sha256 =="" then md5 else sha256;
outputHash = if sha256 == "" then md5 else sha256;
inherit url rev sshSupport openssh;
}

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@ -16,10 +16,6 @@ fi
test -n "$rev" || rev="HEAD"
# Use a restrictive umask to ensure that the output in the Nix store
# is not group- or world-writable. Nix 0.10 complains about this.
umask 0022
# If the hash was given, a file with that hash may already be in the
# store.

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@ -297,7 +297,7 @@ rec {
};
fetchcvs = import ../build-support/fetchcvs {
inherit stdenv cvs nix;
inherit stdenv cvs;
};
fetchdarcs = import ../build-support/fetchdarcs {