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muflax65ngodyewp.onion
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Maintenance: broke two libraries out of the generator.

maintenance
vi 2015-05-06 21:39:46 +08:00
parent 8804e73ea9
commit 7931e11265
3 changed files with 100 additions and 93 deletions
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97
maintenance/default.nix.sh
View File

@ -1,17 +1,10 @@
#! /usr/bin/env nix-shell
#! nix-shell -i bash -p bash curl gnugrep jq gawk libxml2 nix-prefetch-scripts
#: Above includes transitive dependencies of our libraries, would be great to specify them at the usage site.
IsRubyGem() {
test 200 = "$(curl -sL -w '%{http_code}' https://rubygems.org/api/v1/gems/$1.json -o /dev/null)";
};
Map() {
while read Line; do $* $Line; done
};
Filter() {
X() { $* && (shift; echo $*;) }; Map X $*
};
GemCache="$(mktemp ${TMPDIR:-/tmp}/GEMS.XXXXXXX)"
source "$(dirname $(realpath $0))/lib/rubygems.sh"
source "$(dirname $(realpath $0))/lib/prelude.sh"
TopLevelDependencies() {
( # Nanoc isn't an explicit dependency:
@ -25,88 +18,6 @@ TopLevelDependencies() {
) | sort -u | Filter IsRubyGem
};
GetLatestVersion() {
curl -sL https://rubygems.org/api/v1/gems/$1.json | jq -r '.version'
};
read -r -d '' AWKPrelude <<EOF
@include "join";
function unescape(str) {
gsub("&gt;",">",str);
gsub("&lt;","<",str);
gsub(/^= /,"== ",str);
return str;
}
function ver(str) {
n=split(str,xs,".");
v=xs[1]; for(i=2;i<=n;i++)
v+=xs[i]*(10**(1-i));
return v
}
function unwakka(str) {
if (str ~ /^~>/) {
sub(/^[^ ]+ */,"",str);
n=split(str,xs,".");xs[n-1]++;xs[n]=0;
return(sprintf(">= %s, < %s", str, join(xs,1,n,".")));
} else return str
};
EOF
CompileConstraint() {
awk "$AWKPrelude"'
NF {
printf "%s;", $1;
sub(".*" $1 FS, "");
sub($0, unwakka(unescape($0)));
split($0, xs, ", "); for (x in xs)
split(xs[x],ys," ");
printf "ver($0) %s %s && ", ys[1], ver(ys[2])
print "1"
}
';
};
SatisfyConstraint() {
GemName="$1"; Constraint="$2";
curl -s https://rubygems.org/api/v1/versions/$GemName.json \
| jq -r '.[] | .number' \
| awk "$AWKPrelude ($Constraint){print;exit}"
};
GetDependencies() {
# The RubyGems API doesn't seem to permit retrieving the dependencies of any
# version other than the most recent, so we resort to scraping.
GemName="$1"; GemVersion="$2";
curl -s https://rubygems.org/gems/$GemName/versions/$GemVersion \
| xmllint --xpath '//div[@id="runtime_dependencies"]/div/a//text()' --html 2>/dev/null - \
| CompileConstraint \
| { IFS=";"; while read -r Name Constraint; do
Version="$(SatisfyConstraint "$Name" "$Constraint")"
test -n "$Name" && test -n "$Version" && echo "$Name" "$Version"
done; }
};
GetSHA256() {
nix-prefetch-url https://rubygems.org/downloads/$1.gem 2>/dev/null
};
GemCache="$(mktemp ${TMPDIR:-/tmp}/GEMS.XXXXXXX)";
Gem2Nix() {
GemName=$1; GemVersion="${2:-$(GetLatestVersion $GemName)}";
grep -qE "^$GemName" "$GemCache" || {
echo $GemName >> "$GemCache";
sed 's/^ //;/^$/d' <<< "
$GemName = buildRubyGem ({
name = ''$GemName-$GemVersion'';
sha256 = ''$(GetSHA256 $GemName-$GemVersion)'';
gemPath = [$(GetDependencies "$GemName" "$GemVersion" | cut -d' ' -f1 | tr '\n' ' ')];
ruby = ruby_2_2;
} // optionalAttrs (hasAttr ''$GemName'' hotfix) hotfix.$GemName);
"; GetDependencies "$GemName" "$GemVersion" | Map Gem2Nix
};
};
cat <<EOF
{ pkgs ? import <nixpkgs> {}
}: let

9
maintenance/lib/prelude.sh Normal file
View File

@ -0,0 +1,9 @@
#! /usr/bin/env bash
Map() {
while read Line; do $* $Line; done
};
Filter() {
X() { $* && (shift; echo $*;) }; Map X $*
};

87
maintenance/lib/rubygems.sh Normal file
View File

@ -0,0 +1,87 @@
#! /usr/bin/env bash
source "$(dirname $(readlink -f ${BASH_SOURCE[0]}))/prelude.sh"
IsRubyGem() {
test 200 = "$(curl -sL -w '%{http_code}' https://rubygems.org/api/v1/gems/$1.json -o /dev/null)";
};
GetLatestVersion() {
curl -sL https://rubygems.org/api/v1/gems/$1.json | jq -r '.version'
};
read -r -d '' AWKPrelude <<EOF
@include "join";
function unescape(str) {
gsub("&gt;",">",str);
gsub("&lt;","<",str);
gsub(/^= /,"== ",str);
return str;
}
function ver(str) {
n=split(str,xs,".");
v=xs[1]; for(i=2;i<=n;i++)
v+=xs[i]*(10**(1-i));
return v
}
function unwakka(str) {
if (str ~ /^~>/) {
sub(/^[^ ]+ */,"",str);
n=split(str,xs,".");xs[n-1]++;xs[n]=0;
return(sprintf(">= %s, < %s", str, join(xs,1,n,".")));
} else return str
};
EOF
CompileConstraint() {
awk "$AWKPrelude"'
NF {
printf "%s;", $1;
sub(".*" $1 FS, "");
sub($0, unwakka(unescape($0)));
split($0, xs, ", "); for (x in xs)
split(xs[x],ys," ");
printf "ver($0) %s %s && ", ys[1], ver(ys[2])
print "1"
}
';
};
SatisfyConstraint() {
GemName="$1"; Constraint="$2";
curl -s https://rubygems.org/api/v1/versions/$GemName.json \
| jq -r '.[] | .number' \
| awk "$AWKPrelude ($Constraint){print;exit}"
};
GetDependencies() {
# The RubyGems API doesn't seem to permit retrieving the dependencies of any
# version other than the most recent, so we resort to scraping.
GemName="$1"; GemVersion="$2";
curl -s https://rubygems.org/gems/$GemName/versions/$GemVersion \
| xmllint --xpath '//div[@id="runtime_dependencies"]/div/a//text()' --html 2>/dev/null - \
| CompileConstraint \
| { IFS=";"; while read -r Name Constraint; do
Version="$(SatisfyConstraint "$Name" "$Constraint")"
test -n "$Name" && test -n "$Version" && echo "$Name" "$Version"
done; }
};
GetSHA256() {
nix-prefetch-url https://rubygems.org/downloads/$1.gem 2>/dev/null
};
Gem2Nix() {
GemName=$1; GemVersion="${2:-$(GetLatestVersion $GemName)}";
grep -qE "^$GemName" "$GemCache" || {
echo $GemName >> "$GemCache";
sed 's/^ //;/^$/d' <<< "
$GemName = buildRubyGem ({
name = ''$GemName-$GemVersion'';
sha256 = ''$(GetSHA256 $GemName-$GemVersion)'';
gemPath = [$(GetDependencies "$GemName" "$GemVersion" | cut -d' ' -f1 | tr '\n' ' ')];
ruby = ruby_2_2;
} // optionalAttrs (hasAttr ''$GemName'' hotfix) hotfix.$GemName);
"; GetDependencies "$GemName" "$GemVersion" | Map Gem2Nix
};
};