nixpkgs/pkgs/development/libraries/postgis/default.nix

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args@{fetchurl, composableDerivation, stdenv, perl, libxml2, postgresql, geos, proj, flex, gdal, pkgconfig, file, ...}:
/*
### NixOS - usage:
==================
services.posgresql.extraPlugins = [ pkgs.postgis.v_1_5_1 ];
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services.postgresql.extraPlugins = [ (pkgs.postgis.override { postgresql = pkgs.postgresql94; }).v_2_1_4 ]; # BM - 2015/01/01
or if you want to install 1.5.x and 1.3.x at the same time (which works
because the .sql and .so files have different names):
services.postgis.extraPlugins = [ (pkgs.buildEnv {
name = "postgis-plugins";
ignoreCollisions = 1; # scripts will collide - but there are aliases with version suffixes
paths = [ pkgs.postgis.v_1_3_5 pkgs.postgis.v_1_5_1 ];
})];
By now it is only supported installing one of the 1.3.x verions because
their shared libraries don't differ in naming.
### important Postgis implementation details:
=============================================
Postgis provides a shared library implementing many operations. They are
exposed to the Postgres SQL interpreter by special SQL queries eg:
CREATE FUNCTION [...]
AS '[..]liblwgeom', 'lwhistogram2d_in' LANGUAGE 'C' IMMUTABLE STRICT; -- WITH (isstrict);
where liblwgeom is the shared library.
Postgis < 1.5 used absolute paths, in NixOS $libdir is always used.
Thus if you want to use postgresql dumps which were created by non NixOS
systems you have to adopt the library path.
### TODO:
=========
the bin commands to have gtk gui:
*/
let
pgDerivationBase = composableDerivation.composableDerivation {} ( fix :
let version = fix.fixed.version; in {
name = "postgis-${version}";
src = fetchurl {
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url = "http://postgis.refractions.net/download/postgis-${fix.fixed.version}.tar.gz";
inherit (fix.fixed) sha256;
};
# don't pass these vars to the builder
removeAttrs = ["hash" "sql_comments" "sql_srcs"];
preConfigure = ''
configureFlags="--datadir=$out/share --datarootdir=$out/share --bindir=$out/bin"
makeFlags="PERL=${perl}/bin/perl datadir=$out/share pkglibdir=$out/lib bindir=$out/bin"
'';
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# create aliases for all commands adding version information
postInstall = ''
sql_srcs=$(for sql in ${builtins.toString fix.fixed.sql_srcs}; do echo -n "$(find $out -iname "$sql") "; done )
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for prog in $out/bin/*; do # */
ln -s $prog $prog-${version}
done
cp -r doc $out
'';
buildInputs = [libxml2 postgresql geos proj perl];
sql_comments = "postgis_comments.sql";
meta = {
description = "Geographic Objects for PostgreSQL";
homepage = "http://postgis.refractions.net";
license = stdenv.lib.licenses.gpl2;
maintainers = [stdenv.lib.maintainers.marcweber];
platforms = stdenv.lib.platforms.linux;
};
});
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pgDerivationBaseNewer = pgDerivationBase.merge (fix: {
src = fetchurl {
url = "http://download.osgeo.org/postgis/source/postgis-${builtins.toString fix.fixed.version}.tar.gz";
inherit (fix.fixed) sha256;
};
});
in rec {
# these builders just add some custom informaton to the receipe above
v_1_3_5 = pgDerivationBase.merge ( fix: {
version = "1.3.5";
buildInputs = [ flex ];
sha256 = "102d5ybn0db1wrb249dga2v8347vysd4f1brc8zb82d7vdd34wyq";
sql_srcs = ["lwpostgis.sql" "spatial_ref_sys.sql"];
pg_db_postgis_fix_or_load_sql_dump = ./pg_db_postgis_fix_or_load_sql_dump.sh;
libName = "liblwgeom";
scriptNames = [ "pg_db_postgis_enable" "pg_db_postgis_fix_or_load_sql_dump"]; # helper scripts
# sql_srcs is defined in postInstall source above
# if store path changes sql should not break. So replace absolute path to
# shared library by path relatve to $libdir known by Postgres.
postInstall = ''
sed -i "s@AS '$out/lib/liblwgeom@AS '\$libdir/liblwgeom@" $sql_srcs $out/share/lwpostgis_upgrade.sql
'';
});
v_1_3_6 = v_1_3_5.merge ({
version = "1.3.6";
sha256 = "0i6inyiwc5zgf5a4ssg0y774f8vn45zn5c38ccgnln9r6i54vc6k";
});
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v_1_5_1 = pgDerivationBase.merge ( fix : {
version = "1.5.1";
sha256 = "0nymvqqi6pp4nh4dcshzqm76x4sraf119jp7l27c2q1lygm6p6jr";
sql_srcs = ["postgis.sql" "spatial_ref_sys.sql"];
});
v_1_5_8 = pgDerivationBaseNewer.merge ( fix : {
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version = "1.5.8";
sha256 = "016qn2hk3w8rg60rqn91l2nfk9zcsw0pv2s5rb1qhjw15ypgv5j8";
sql_srcs = ["postgis.sql" "spatial_ref_sys.sql"];
});
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v_2_0_6 = pgDerivationBaseNewer.merge ( fix : {
version = "2.0.6";
sha256 = "129lyd1crv1bbjadyisjm3wv2vkj1v1nnxyns9z57300ip7wk3s3";
sql_srcs = ["postgis.sql" "spatial_ref_sys.sql"];
builtInputs = [gdal pkgconfig];
preConfigure = ''
sed -i 's@/usr/bin/file@${file}/bin/file@' configure
configureFlags="$configureFlags --with-gdalconfig=${gdal}/bin/gdal-config"
'';
});
v_2_1_4 = pgDerivationBaseNewer.merge ( fix : {
version = "2.1.4";
sha256 = "1z00n5654r7l38ydkn2grbwl5gg0mravjwxfdipp7j18hjiw4wyd";
sql_srcs = ["postgis.sql" "spatial_ref_sys.sql"];
builtInputs = [gdal pkgconfig];
dontDisableStatic = true;
preConfigure = ''
sed -i 's@/usr/bin/file@${file}/bin/file@' configure
configureFlags="$configureFlags --with-gdalconfig=${gdal}/bin/gdal-config"
'';
postConfigure = ''
sed -i "s|@mkdir -p \$(DESTDIR)\$(PGSQL_BINDIR)||g ;
s|\$(DESTDIR)\$(PGSQL_BINDIR)|$prefix/bin|g
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" \
"raster/loader/Makefile";
sed -i "s|\$(DESTDIR)\$(PGSQL_BINDIR)|$prefix/bin|g
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" \
"raster/scripts/python/Makefile";
'';
});
}