Add 'nixpkgs/' from commit 'abf060725d7614bd3b9f96764262dfbc2f9c2199'

git-subtree-dir: nixpkgs
git-subtree-mainline: 4e31070265257dc67d120c27e0f75c2344fdfa9a
git-subtree-split: abf060725d7614bd3b9f96764262dfbc2f9c2199

2 files changed, 136 insertions, 0 deletions

diff --git a/nixpkgs/pkgs/common-updater/scripts.nix b/nixpkgs/pkgs/common-updater/scripts.nix
new file mode 100644
index 000000000000..b260c67ca7c6
--- /dev/null
+++ b/nixpkgs/pkgs/common-updater/scripts.nix
@@ -0,0 +1,18 @@
+{ stdenv, makeWrapper, coreutils, gawk, gnused, diffutils, nix }:
+
+stdenv.mkDerivation {
+  name = "common-updater-scripts";
+
+  buildInputs = [ makeWrapper ];
+
+  unpackPhase = "true";
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp ${./scripts}/* $out/bin
+
+    for f in $out/bin/*; do
+      wrapProgram $f --prefix PATH : ${stdenv.lib.makeBinPath [ coreutils gawk gnused nix diffutils ]}
+    done
+  '';
+}
diff --git a/nixpkgs/pkgs/common-updater/scripts/update-source-version b/nixpkgs/pkgs/common-updater/scripts/update-source-version
new file mode 100755
index 000000000000..57b52553c2be
--- /dev/null
+++ b/nixpkgs/pkgs/common-updater/scripts/update-source-version
@@ -0,0 +1,118 @@
+#!/usr/bin/env bash
+set -e
+
+die() {
+    echo "$0: error: $1" >&2
+    exit 1
+}
+
+# Usage: update-source-hash <attr> <version> [<new-source-hash>] [<new-source-url>] [<version-key>]
+attr=$1
+newVersion=$2
+newHash=$3
+newUrl=$4
+versionKey=$5
+
+if [ -z "$versionKey" ]; then
+    versionKey=version
+fi
+
+nixFile=$(nix-instantiate --eval --strict -A "$attr.meta.position" | sed -re 's/^"(.*):[0-9]+"$/\1/')
+if [ ! -f "$nixFile" ]; then
+    die "Couldn't evaluate '$attr.meta.position' to locate the .nix file!"
+fi
+
+oldHashAlgo=$(nix-instantiate --eval --strict -A "$attr.src.drvAttrs.outputHashAlgo" | tr -d '"')
+oldHash=$(nix-instantiate --eval --strict -A "$attr.src.drvAttrs.outputHash" | tr -d '"')
+
+if [ -z "$oldHashAlgo" -o -z "$oldHash" ]; then
+    die "Couldn't evaluate old source hash from '$attr.src'!"
+fi
+
+if [ $(grep -c "$oldHash" "$nixFile") != 1 ]; then
+    die "Couldn't locate old source hash '$oldHash' (or it appeared more than once) in '$nixFile'!"
+fi
+
+oldUrl=$(nix-instantiate --eval -E "with import ./. {}; builtins.elemAt $attr.src.drvAttrs.urls 0" | tr -d '"')
+
+if [ -z "$oldUrl" ]; then
+    die "Couldn't evaluate source url from '$attr.name'!"
+fi
+
+drvName=$(nix-instantiate --eval -E "with import ./. {}; (builtins.parseDrvName $attr.name).name" | tr -d '"')
+oldVersion=$(nix-instantiate --eval -E "with import ./. {}; $attr.version or (builtins.parseDrvName $attr.name).version" | tr -d '"')
+
+if [ -z "$drvName" -o -z "$oldVersion" ]; then
+    die "Couldn't evaluate name and version from '$attr.name'!"
+fi
+
+if [ "$oldVersion" = "$newVersion" ]; then
+    echo "$0: New version same as old version, nothing to do." >&2
+    exit 0
+fi
+
+# Escape regex metacharacter that are allowed in store path names
+oldVersion=$(echo "$oldVersion" | sed -re 's|[.+]|\\&|g')
+oldUrl=$(echo "$oldUrl" | sed -re 's|[${}.+]|\\&|g')
+
+if [ $(grep -c -E "^\s*(let\b)?\s*$versionKey\s*=\s*\"$oldVersion\"" "$nixFile") = 1 ]; then
+    pattern="/\b$versionKey\b\s*=/ s|\"$oldVersion\"|\"$newVersion\"|"
+elif [ $(grep -c -E "^\s*(let\b)?\s*name\s*=\s*\"[^\"]+-$oldVersion\"" "$nixFile") = 1 ]; then
+    pattern="/\bname\b\s*=/ s|-$oldVersion\"|-$newVersion\"|"
+else
+    die "Couldn't figure out where out where to patch in new version in '$attr'!"
+fi
+
+# Replace new version
+sed -i.bak "$nixFile" -re "$pattern"
+if cmp -s "$nixFile" "$nixFile.bak"; then
+    die "Failed to replace version '$oldVersion' to '$newVersion' in '$attr'!"
+fi
+
+# Replace new URL
+if [ -n "$newUrl" ]; then
+    sed -i "$nixFile" -re "s|\"$oldUrl\"|\"$newUrl\"|"
+
+    if cmp -s "$nixFile" "$nixFile.bak"; then
+        die "Failed to replace source URL '$oldUrl' to '$newUrl' in '$attr'!"
+    fi
+fi
+
+case "$oldHashAlgo" in
+    sha256) hashLength=64 ;;
+    sha512) hashLength=128 ;;
+    *) die "Unhandled hash algorithm '$oldHashAlgo' in '$attr'!" ;;
+esac
+
+# Make a temporary all-zeroes hash of $hashLength characters
+tempHash=$(printf '%0*d' "$hashLength" 0)
+
+sed -i "$nixFile" -re "s|\"$oldHash\"|\"$tempHash\"|"
+if cmp -s "$nixFile" "$nixFile.bak"; then
+    die "Failed to replace source hash of '$attr' to a temporary hash!"
+fi
+
+# If new hash not given on the command line, recalculate it ourselves.
+if [ -z "$newHash" ]; then
+    nix-build --no-out-link -A "$attr.src" 2>"$attr.fetchlog" >/dev/null || true
+    # FIXME: use nix-build --hash here once https://github.com/NixOS/nix/issues/1172 is fixed
+    newHash=$(egrep -v "killing process|dependencies couldn't be built" "$attr.fetchlog" | tail -n2 | sed "s~output path .* has .* hash ‘\(.*\)’ when .* was expected\|fixed-output derivation produced path '.*' with .* hash '\(.*\)' instead of the expected hash '.*'~\1\2~" | head -n1)
+fi
+
+if [ -z "$newHash" ]; then
+    cat "$attr.fetchlog" >&2
+    die "Couldn't figure out new hash of '$attr.src'!"
+fi
+
+if [ "$oldVersion" != "$newVersion" ] && [ "$oldHash" = "$newHash" ]; then
+    mv "$nixFile.bak" "$nixFile"
+    die "Both the old and new source hashes of '$attr.src' were equivalent. Please fix the package's source URL to be dependent on '\${version}'!"
+fi
+
+sed -i "$nixFile" -re "s|\"$tempHash\"|\"$newHash\"|"
+if cmp -s "$nixFile" "$nixFile.bak"; then
+    die "Failed to replace temporary source hash of '$attr' to the final source hash!"
+fi
+
+rm -f "$nixFile.bak"
+rm -f "$attr.fetchlog"