Use proper quotes everywhere

12 files changed, 80 insertions, 78 deletions

diff --git a/scripts/build-remote.pl.in b/scripts/build-remote.pl.in
index 243b92cf8c35..2eb339675904 100755
--- a/scripts/build-remote.pl.in
+++ b/scripts/build-remote.pl.in
@@ -202,7 +202,7 @@ REQ: while (1) {
         };
         last REQ unless $@;
         print STDERR "$@";
-        warn "unable to open SSH connection to `$hostName', trying other available machines...\n";
+        warn "unable to open SSH connection to ‘$hostName’, trying other available machines...\n";
         $from = undef;
         $to = undef;
         $machine->{enabled} = 0;
@@ -251,7 +251,7 @@ close UPLOADLOCK;
 
 
 # Perform the build.
-print STDERR "building `$drvPath' on `$hostName'\n";
+print STDERR "building ‘$drvPath’ on ‘$hostName’\n";
 writeInt(6, $to) or die; # == cmdBuildPaths
 writeStrings([$drvPath], $to);
 writeInt($maxSilentTime, $to);
@@ -259,7 +259,7 @@ writeInt($buildTimeout, $to);
 my $res = readInt($from);
 if ($res != 0) {
     my $msg = readString($from);
-    print STDERR "error: $msg on `$hostName'\n";
+    print STDERR "error: $msg on ‘$hostName’\n";
     exit $res;
 }
 
diff --git a/scripts/copy-from-other-stores.pl.in b/scripts/copy-from-other-stores.pl.in
index bfd38c9ba3f8..cf36bae9e803 100755
--- a/scripts/copy-from-other-stores.pl.in
+++ b/scripts/copy-from-other-stores.pl.in
@@ -1,5 +1,6 @@
 #! @perl@ -w @perlFlags@
 
+use utf8;
 use strict;
 use File::Basename;
 use IO::Handle;
@@ -57,16 +58,16 @@ if ($ARGV[0] eq "--query") {
                 $ENV{"NIX_DB_DIR"} = "$store/var/nix/db";
 
                 my $deriver = `$binDir/nix-store --query --deriver $storePath`;
-                die "cannot query deriver of `$storePath'" if $? != 0;
+                die "cannot query deriver of ‘$storePath’" if $? != 0;
                 chomp $deriver;
                 $deriver = "" if $deriver eq "unknown-deriver";
 
                 my @references = split "\n",
                     `$binDir/nix-store --query --references $storePath`;
-                die "cannot query references of `$storePath'" if $? != 0;
+                die "cannot query references of ‘$storePath’" if $? != 0;
 
                 my $narSize = `$binDir/nix-store --query --size $storePath`;
-                die "cannot query size of `$storePath'" if $? != 0;
+                die "cannot query size of ‘$storePath’" if $? != 0;
                 chomp $narSize;
 
                 print "$storePath\n";
@@ -80,7 +81,7 @@ if ($ARGV[0] eq "--query") {
             print "\n";
         }
 
-        else { die "unknown command `$cmd'"; }
+        else { die "unknown command ‘$cmd’"; }
     }
 }
 
@@ -91,9 +92,9 @@ elsif ($ARGV[0] eq "--substitute") {
     my $destPath = $ARGV[2];
     my ($store, $sourcePath) = findStorePath $storePath;
     die unless $store;
-    print STDERR "\n*** Copying `$storePath' from `$sourcePath'\n\n";
+    print STDERR "\n*** Copying ‘$storePath’ from ‘$sourcePath’\n\n";
     system("$binDir/nix-store --dump $sourcePath | $binDir/nix-store --restore $destPath") == 0
-        or die "cannot copy `$sourcePath' to `$storePath'";
+        or die "cannot copy ‘$sourcePath’ to ‘$storePath’";
     print "\n"; # no hash to verify
 }
 
diff --git a/scripts/download-from-binary-cache.pl.in b/scripts/download-from-binary-cache.pl.in
index 49f829b684dc..b7eb72a30187 100644
--- a/scripts/download-from-binary-cache.pl.in
+++ b/scripts/download-from-binary-cache.pl.in
@@ -134,7 +134,7 @@ sub initCache {
 
     # Open/create the database.
     $dbh = DBI->connect("dbi:SQLite:dbname=$dbPath", "", "")
-        or die "cannot open database `$dbPath'";
+        or die "cannot open database ‘$dbPath’";
     $dbh->{RaiseError} = 1;
     $dbh->{PrintError} = 0;
 
@@ -544,7 +544,7 @@ sub downloadBinary {
         print STDERR "\n*** Downloading ‘$url’ ", ($requireSignedBinaryCaches ? "(signed by ‘$info->{signedBy}’) " : ""), "to ‘$storePath’...\n";
         checkURL $url;
         if (system("$Nix::Config::curl --fail --location --insecure --connect-timeout $curlConnectTimeout '$url' $decompressor | $Nix::Config::binDir/nix-store --restore $destPath") != 0) {
-            warn "download of `$url' failed" . ($! ? ": $!" : "") . "\n";
+            warn "download of ‘$url’ failed" . ($! ? ": $!" : "") . "\n";
             next;
         }
 
@@ -590,7 +590,7 @@ if ($ARGV[0] eq "--query") {
             print "\n";
         }
 
-        else { die "unknown command `$cmd'"; }
+        else { die "unknown command ‘$cmd’"; }
 
         flush STDOUT;
     }
diff --git a/scripts/download-using-manifests.pl.in b/scripts/download-using-manifests.pl.in
index de63aec5713f..e849a930e71e 100755
--- a/scripts/download-using-manifests.pl.in
+++ b/scripts/download-using-manifests.pl.in
@@ -1,5 +1,6 @@
 #! @perl@ -w @perlFlags@
 
+use utf8;
 use strict;
 use Nix::Config;
 use Nix::Manifest;
@@ -228,7 +229,7 @@ if ($ARGV[0] eq "--query") {
             print "\n";
         }
 
-        else { die "unknown command `$cmd'"; }
+        else { die "unknown command ‘$cmd’"; }
     }
 
     exit 0;
@@ -257,7 +258,7 @@ open LOGFILE, ">>$logFile" or die "cannot open log file $logFile";
 my $date = strftime ("%F %H:%M:%S UTC", gmtime (time));
 print LOGFILE "$$ get $targetPath $date\n";
 
-print STDERR "\n*** Trying to download/patch `$targetPath'\n";
+print STDERR "\n*** Trying to download/patch ‘$targetPath’\n";
 
 
 # Compute the shortest path.
@@ -286,7 +287,7 @@ while (scalar @path > 0) {
     print STDERR "\n*** Step $curStep/$maxStep: ";
 
     if ($edge->{type} eq "present") {
-        print STDERR "using already present path `$v'\n";
+        print STDERR "using already present path ‘$v’\n";
         print LOGFILE "$$ present $v\n";
 
         if ($curStep < $maxStep) {
@@ -295,13 +296,13 @@ while (scalar @path > 0) {
             # into a NAR archive, to which we can apply the patch.
             print STDERR "  packing base path...\n";
             system("$Nix::Config::binDir/nix-store --dump $v > $tmpNar") == 0
-                or die "cannot dump `$v'";
+                or die "cannot dump ‘$v’";
         }
     }
 
     elsif ($edge->{type} eq "patch") {
         my $patch = $edge->{info};
-        print STDERR "applying patch `$patch->{url}' to `$u' to create `$v'\n";
+        print STDERR "applying patch ‘$patch->{url}’ to ‘$u’ to create ‘$v’\n";
 
         print LOGFILE "$$ patch $patch->{url} $patch->{size} $patch->{baseHash} $u $v\n";
 
@@ -310,13 +311,13 @@ while (scalar @path > 0) {
         my $patchPath = "$tmpDir/patch";
         checkURL $patch->{url};
         system("$curl '$patch->{url}' -o $patchPath") == 0
-            or die "cannot download patch `$patch->{url}'\n";
+            or die "cannot download patch ‘$patch->{url}’\n";
 
         # Apply the patch to the NAR archive produced in step 1 (for
         # the already present path) or a later step (for patch sequences).
         print STDERR "  applying patch...\n";
         system("$Nix::Config::libexecDir/nix/bspatch $tmpNar $tmpNar2 $patchPath") == 0
-            or die "cannot apply patch `$patchPath' to $tmpNar\n";
+            or die "cannot apply patch ‘$patchPath’ to $tmpNar\n";
 
         if ($curStep < $maxStep) {
             # The archive will be used as the base of the next patch.
@@ -326,7 +327,7 @@ while (scalar @path > 0) {
             # into the target path.
             print STDERR "  unpacking patched archive...\n";
             system("$Nix::Config::binDir/nix-store --restore $destPath < $tmpNar2") == 0
-                or die "cannot unpack $tmpNar2 to `$v'\n";
+                or die "cannot unpack $tmpNar2 to ‘$v’\n";
         }
 
         $finalNarHash = $patch->{narHash};
@@ -334,7 +335,7 @@ while (scalar @path > 0) {
 
     elsif ($edge->{type} eq "narfile") {
         my $narFile = $edge->{info};
-        print STDERR "downloading `$narFile->{url}' to `$v'\n";
+        print STDERR "downloading ‘$narFile->{url}’ to ‘$v’\n";
 
         my $size = $narFile->{size} || -1;
         print LOGFILE "$$ narfile $narFile->{url} $size $v\n";
@@ -345,16 +346,16 @@ while (scalar @path > 0) {
             $narFile->{compressionType} eq "bzip2" ? "| $Nix::Config::bzip2 -d" :
             $narFile->{compressionType} eq "xz" ? "| $Nix::Config::xz -d" :
             $narFile->{compressionType} eq "none" ? "" :
-            die "unknown compression type `$narFile->{compressionType}'";
+            die "unknown compression type ‘$narFile->{compressionType}’";
 
         if ($curStep < $maxStep) {
             # The archive will be used a base to a patch.
             system("$curl '$narFile->{url}' $decompressor > $tmpNar") == 0
-                or die "cannot download and unpack `$narFile->{url}' to `$v'\n";
+                or die "cannot download and unpack ‘$narFile->{url}’ to ‘$v’\n";
         } else {
             # Unpack the archive to the target path.
             system("$curl '$narFile->{url}' $decompressor | $Nix::Config::binDir/nix-store --restore '$destPath'") == 0
-                or die "cannot download and unpack `$narFile->{url}' to `$v'\n";
+                or die "cannot download and unpack ‘$narFile->{url}’ to ‘$v’\n";
         }
 
         $finalNarHash = $narFile->{narHash};
diff --git a/scripts/install-nix-from-closure.sh b/scripts/install-nix-from-closure.sh
index 8aa227afaacb..ef56149915b1 100644
--- a/scripts/install-nix-from-closure.sh
+++ b/scripts/install-nix-from-closure.sh
@@ -24,15 +24,15 @@ echo "performing a single-user installation of Nix..." >&2
 
 if ! [ -e $dest ]; then
     cmd="mkdir -m 0755 $dest && chown $USER $dest"
-    echo "directory $dest does not exist; creating it by running \`$cmd' using sudo" >&2
+    echo "directory $dest does not exist; creating it by running ‘$cmd’ using sudo" >&2
     if ! sudo sh -c "$cmd"; then
-        echo "$0: please manually run \`$cmd' as root to create $dest" >&2
+        echo "$0: please manually run ‘$cmd’ as root to create $dest" >&2
         exit 1
     fi
 fi
 
 if ! [ -w $dest ]; then
-    echo "$0: directory $dest exists, but is not writable by you; please run \`chown -R $USER $dest' as root" >&2
+    echo "$0: directory $dest exists, but is not writable by you; please run ‘chown -R $USER $dest’ as root" >&2
     exit 1
 fi
 
diff --git a/scripts/nix-build.in b/scripts/nix-build.in
index 381dbd5e266c..fb92a4909d4c 100755
--- a/scripts/nix-build.in
+++ b/scripts/nix-build.in
@@ -55,37 +55,37 @@ for (my $n = 0; $n < scalar @ARGV; $n++) {
 
     elsif ($arg eq "--drv-link") {
         $n++;
-        die "$0: `$arg' requires an argument\n" unless $n < scalar @ARGV;
+        die "$0: ‘$arg’ requires an argument\n" unless $n < scalar @ARGV;
         $drvLink = $ARGV[$n];
     }
 
     elsif ($arg eq "--out-link" || $arg eq "-o") {
         $n++;
-        die "$0: `$arg' requires an argument\n" unless $n < scalar @ARGV;
+        die "$0: ‘$arg’ requires an argument\n" unless $n < scalar @ARGV;
         $outLink = $ARGV[$n];
     }
 
     elsif ($arg eq "--attr" || $arg eq "-A" || $arg eq "-I") {
         $n++;
-        die "$0: `$arg' requires an argument\n" unless $n < scalar @ARGV;
+        die "$0: ‘$arg’ requires an argument\n" unless $n < scalar @ARGV;
         push @instArgs, ($arg, $ARGV[$n]);
     }
 
     elsif ($arg eq "--arg" || $arg eq "--argstr") {
-        die "$0: `$arg' requires two arguments\n" unless $n + 2 < scalar @ARGV;
+        die "$0: ‘$arg’ requires two arguments\n" unless $n + 2 < scalar @ARGV;
         push @instArgs, ($arg, $ARGV[$n + 1], $ARGV[$n + 2]);
         $n += 2;
     }
 
     elsif ($arg eq "--log-type") {
         $n++;
-        die "$0: `$arg' requires an argument\n" unless $n < scalar @ARGV;
+        die "$0: ‘$arg’ requires an argument\n" unless $n < scalar @ARGV;
         push @instArgs, ($arg, $ARGV[$n]);
         push @buildArgs, ($arg, $ARGV[$n]);
     }
 
     elsif ($arg eq "--option") {
-        die "$0: `$arg' requires two arguments\n" unless $n + 2 < scalar @ARGV;
+        die "$0: ‘$arg’ requires two arguments\n" unless $n + 2 < scalar @ARGV;
         push @instArgs, ($arg, $ARGV[$n + 1], $ARGV[$n + 2]);
         push @buildArgs, ($arg, $ARGV[$n + 1], $ARGV[$n + 2]);
         $n += 2;
@@ -93,7 +93,7 @@ for (my $n = 0; $n < scalar @ARGV; $n++) {
 
     elsif ($arg eq "--max-jobs" || $arg eq "-j" || $arg eq "--max-silent-time" || $arg eq "--log-type" || $arg eq "--cores" || $arg eq "--timeout" || $arg eq '--add-root') {
         $n++;
-        die "$0: `$arg' requires an argument\n" unless $n < scalar @ARGV;
+        die "$0: ‘$arg’ requires an argument\n" unless $n < scalar @ARGV;
         push @buildArgs, ($arg, $ARGV[$n]);
     }
 
@@ -131,13 +131,13 @@ for (my $n = 0; $n < scalar @ARGV; $n++) {
 
     elsif ($arg eq "--command") {
         $n++;
-        die "$0: `$arg' requires an argument\n" unless $n < scalar @ARGV;
+        die "$0: ‘$arg’ requires an argument\n" unless $n < scalar @ARGV;
         $envCommand = "$ARGV[$n]\nexit $!";
     }
 
     elsif ($arg eq "--exclude") {
         $n++;
-        die "$0: `$arg' requires an argument\n" unless $n < scalar @ARGV;
+        die "$0: ‘$arg’ requires an argument\n" unless $n < scalar @ARGV;
         push @envExclude, $ARGV[$n];
     }
 
@@ -195,7 +195,7 @@ foreach my $expr (@exprs) {
         die "$0: a single derivation is required\n" if scalar @drvPaths != 1;
         my $drvPath = $drvPaths[0];
         $drvPath = (split '!',$drvPath)[0];
-        $drvPath = readlink $drvPath or die "cannot read symlink `$drvPath'" if -l $drvPath;
+        $drvPath = readlink $drvPath or die "cannot read symlink ‘$drvPath’" if -l $drvPath;
         my $drv = derivationFromPath($drvPath);
 
         # Build or fetch all dependencies of the derivation.
@@ -257,7 +257,7 @@ foreach my $expr (@exprs) {
         } else {
             $p = $drvPath;
         }
-        my $target = readlink $p or die "cannot read symlink `$p'";
+        my $target = readlink $p or die "cannot read symlink ‘$p’";
         print STDERR "derivation is $target\n" if $verbose;
         if ($target eq $prevDrvPath) {
             push @drvPaths2, (pop @drvPaths2) . "," . $output;
@@ -280,7 +280,7 @@ foreach my $expr (@exprs) {
     next if $dryRun;
 
     foreach my $outPath (@outPaths) {
-        my $target = readlink $outPath or die "cannot read symlink `$outPath'";
+        my $target = readlink $outPath or die "cannot read symlink ‘$outPath’";
         print "$target\n";
     }
 }
diff --git a/scripts/nix-channel.in b/scripts/nix-channel.in
index 62292a87fd73..407f27490410 100755
--- a/scripts/nix-channel.in
+++ b/scripts/nix-channel.in
@@ -32,7 +32,7 @@ my %channels;
 # Reads the list of channels.
 sub readChannels {
     return if (!-f $channelsList);
-    open CHANNELS, "<$channelsList" or die "cannot open `$channelsList': $!";
+    open CHANNELS, "<$channelsList" or die "cannot open ‘$channelsList’: $!";
     while (<CHANNELS>) {
         chomp;
         next if /^\s*\#/;
@@ -47,7 +47,7 @@ sub readChannels {
 
 # Writes the list of channels.
 sub writeChannels {
-    open CHANNELS, ">$channelsList" or die "cannot open `$channelsList': $!";
+    open CHANNELS, ">$channelsList" or die "cannot open ‘$channelsList’: $!";
     foreach my $name (keys %channels) {
         print CHANNELS "$channels{$name} $name\n";
     }
@@ -74,7 +74,7 @@ sub removeChannel {
     writeChannels;
 
     system("$Nix::Config::binDir/nix-env --profile '$profile' -e '$name'") == 0
-        or die "cannot remove channel `$name'\n";
+        or die "cannot remove channel ‘$name’\n";
 }
 
 
@@ -97,7 +97,7 @@ sub update {
         # consistency if the redirection is changed between
         # downloading the manifest and the tarball.
         my $headers = `$Nix::Config::curl --silent --head '$url'`;
-        die "$0: unable to check `$url'\n" if $? != 0;
+        die "$0: unable to check ‘$url’\n" if $? != 0;
         $headers =~ s/\r//g;
         $url = $1 if $headers =~ /^Location:\s*(.*)\s*$/m;
 
@@ -115,19 +115,19 @@ sub update {
         if ($getManifest) {
             # No binary cache, so pull the channel manifest.
             mkdir $manifestDir, 0755 unless -e $manifestDir;
-            die "$0: you do not have write permission to `$manifestDir'!\n" unless -W $manifestDir;
+            die "$0: you do not have write permission to ‘$manifestDir’!\n" unless -W $manifestDir;
             $ENV{'NIX_ORIG_URL'} = $origUrl;
             system("$Nix::Config::binDir/nix-pull", "--skip-wrong-store", "$url/MANIFEST") == 0
-                or die "cannot pull manifest from `$url'\n";
+                or die "cannot pull manifest from ‘$url’\n";
         }
 
         # Download the channel tarball.
         my $fullURL = "$url/nixexprs.tar.xz";
         system("$Nix::Config::curl --fail --silent --head '$fullURL' > /dev/null") == 0 or
             $fullURL = "$url/nixexprs.tar.bz2";
-        print STDERR "downloading Nix expressions from `$fullURL'...\n";
+        print STDERR "downloading Nix expressions from ‘$fullURL’...\n";
         my ($hash, $path) = `PRINT_PATH=1 QUIET=1 $Nix::Config::binDir/nix-prefetch-url '$fullURL'`;
-        die "cannot fetch `$fullURL'\n" if $? != 0;
+        die "cannot fetch ‘$fullURL’\n" if $? != 0;
         chomp $path;
 
         # If the URL contains a version number, append it to the name
@@ -148,10 +148,10 @@ sub update {
 
     # Make the channels appear in nix-env.
     unlink $nixDefExpr if -l $nixDefExpr; # old-skool ~/.nix-defexpr
-    mkdir $nixDefExpr or die "cannot create directory `$nixDefExpr'" if !-e $nixDefExpr;
+    mkdir $nixDefExpr or die "cannot create directory ‘$nixDefExpr’" if !-e $nixDefExpr;
     my $channelLink = "$nixDefExpr/channels";
     unlink $channelLink; # !!! not atomic
-    symlink($profile, $channelLink) or die "cannot symlink `$channelLink' to `$profile'";
+    symlink($profile, $channelLink) or die "cannot symlink ‘$channelLink’ to ‘$profile’";
 }
 
 
@@ -162,7 +162,7 @@ while (scalar @ARGV) {
     my $arg = shift @ARGV;
 
     if ($arg eq "--add") {
-        die "$0: `--add' requires one or two arguments\n" if scalar @ARGV < 1 || scalar @ARGV > 2;
+        die "$0: ‘--add’ requires one or two arguments\n" if scalar @ARGV < 1 || scalar @ARGV > 2;
         my $url = shift @ARGV;
         my $name = shift @ARGV;
         unless (defined $name) {
@@ -175,13 +175,13 @@ while (scalar @ARGV) {
     }
 
     if ($arg eq "--remove") {
-        die "$0: `--remove' requires one argument\n" if scalar @ARGV != 1;
+        die "$0: ‘--remove’ requires one argument\n" if scalar @ARGV != 1;
         removeChannel(shift @ARGV);
         last;
     }
 
     if ($arg eq "--list") {
-        die "$0: `--list' requires one argument\n" if scalar @ARGV != 0;
+        die "$0: ‘--list’ requires one argument\n" if scalar @ARGV != 0;
         readChannels;
         foreach my $name (keys %channels) {
             print "$name $channels{$name}\n";
@@ -204,6 +204,6 @@ while (scalar @ARGV) {
     }
 
     else {
-        die "unknown argument `$arg'; try `--help'\n";
+        die "unknown argument ‘$arg’; try ‘--help’\n";
     }
 }
diff --git a/scripts/nix-copy-closure.in b/scripts/nix-copy-closure.in
index bd20148b81da..10c2a9171d67 100755
--- a/scripts/nix-copy-closure.in
+++ b/scripts/nix-copy-closure.in
@@ -38,7 +38,7 @@ while (@ARGV) {
         $sign = 1;
     }
     elsif ($arg eq "--gzip" || $arg eq "--bzip2" || $arg eq "--xz") {
-        warn "$0: `$arg' is not implemented\n" if $arg ne "--gzip";
+        warn "$0: ‘$arg’ is not implemented\n" if $arg ne "--gzip";
         push @globalSshOpts, "-C";
     }
     elsif ($arg eq "--from") {
@@ -51,7 +51,7 @@ while (@ARGV) {
         $includeOutputs = 1;
     }
     elsif ($arg eq "--show-progress") {
-        warn "$0: `$arg' is not implemented\n";
+        warn "$0: ‘$arg’ is not implemented\n";
     }
     elsif ($arg eq "--dry-run") {
         $dryRun = 1;
diff --git a/scripts/nix-install-package.in b/scripts/nix-install-package.in
index a3187c72169b..9340f1b729e6 100755
--- a/scripts/nix-install-package.in
+++ b/scripts/nix-install-package.in
@@ -23,7 +23,7 @@ while (scalar @args) {
     }
     elsif ($arg eq "--profile" || $arg eq "-p") {
         my $profile = shift @args;
-        die "$0: `--profile' requires an argument\n" if !defined $profile;
+        die "$0: ‘--profile’ requires an argument\n" if !defined $profile;
         push @extraNixEnvArgs, "-p", $profile;
     }
     elsif ($arg eq "--non-interactive") {
@@ -45,7 +45,7 @@ if ($interactive && !defined $ENV{"NIX_HAVE_TERMINAL"}) {
     foreach my $term ("xterm", "konsole", "gnome-terminal", "xterm") {
         exec($term, "-e", "$Nix::Config::binDir/nix-install-package", @ARGV);
     }
-    die "cannot execute `xterm'";
+    die "cannot execute ‘xterm’";
 }
 
 
@@ -70,7 +70,7 @@ if ($fromURL) {
 
 
 # Read and parse the package file.
-open PKGFILE, "<$pkgFile" or barf "cannot open `$pkgFile': $!";
+open PKGFILE, "<$pkgFile" or barf "cannot open ‘$pkgFile’: $!";
 my $contents = <PKGFILE>;
 close PKGFILE;
 
@@ -92,12 +92,12 @@ my $drvPath = $5;
 my $outPath = $6;
 my $binaryCacheURL = $8;
 
-barf "invalid package version `$version'" unless $version eq "NIXPKG1";
+barf "invalid package version ‘$version’" unless $version eq "NIXPKG1";
 
 
 if ($interactive) {
     # Ask confirmation.
-    print "Do you want to install `$drvName' (Y/N)? ";
+    print "Do you want to install ‘$drvName’ (Y/N)? ";
     my $reply = <STDIN>;
     chomp $reply;
     exit if $reply ne "y" && $reply ne "Y";
diff --git a/scripts/nix-prefetch-url.in b/scripts/nix-prefetch-url.in
index 24753bd5b9bd..869d29c39909 100755
--- a/scripts/nix-prefetch-url.in
+++ b/scripts/nix-prefetch-url.in
@@ -17,9 +17,9 @@ while ($arg = shift) {
         exec "man nix-prefetch-url" or die;
     } elsif ($arg eq "--type") {
         $hashType = shift;
-        die "$0: `$arg' requires an argument\n" unless defined $hashType;
+        die "$0: ‘$arg’ requires an argument\n" unless defined $hashType;
     } elsif (substr($arg, 0, 1) eq "-") {
-        die "$0: unknown flag `$arg'\n";
+        die "$0: unknown flag ‘$arg’\n";
     } else {
         push @args, $arg;
     }
diff --git a/scripts/nix-pull.in b/scripts/nix-pull.in
index 77fb33ba58e0..f9785d8e5d19 100755
--- a/scripts/nix-pull.in
+++ b/scripts/nix-pull.in
@@ -13,7 +13,7 @@ umask 0022;
 
 # Create the manifests directory if it doesn't exist.
 if (! -e $manifestDir) {
-    mkdir $manifestDir, 0755 or die "cannot create directory `$manifestDir'";
+    mkdir $manifestDir, 0755 or die "cannot create directory ‘$manifestDir’";
 }
 
 
@@ -21,7 +21,7 @@ if (! -e $manifestDir) {
 my $gcRootsDir = "$Nix::Config::stateDir/gcroots";
 my $manifestDirLink = "$gcRootsDir/manifests";
 if (! -l $manifestDirLink) {
-    symlink($manifestDir, $manifestDirLink) or die "cannot create symlink `$manifestDirLink'";
+    symlink($manifestDir, $manifestDirLink) or die "cannot create symlink ‘$manifestDirLink’";
 }
 
 
@@ -32,7 +32,7 @@ sub downloadFile {
     $ENV{"PRINT_PATH"} = 1;
     $ENV{"QUIET"} = 1;
     my ($dummy, $path) = `$Nix::Config::binDir/nix-prefetch-url '$url'`;
-    die "cannot fetch `$url'" if $? != 0;
+    die "cannot fetch ‘$url’" if $? != 0;
     die "nix-prefetch-url did not return a path" unless defined $path;
     chomp $path;
     return $path;
@@ -49,13 +49,13 @@ sub processURL {
 
     # First see if a bzipped manifest is available.
     if (system("$Nix::Config::curl --fail --silent --location --head '$url'.bz2 > /dev/null") == 0) {
-        print "fetching list of Nix archives at `$url.bz2'...\n";
+        print "fetching list of Nix archives at ‘$url.bz2’...\n";
         $manifest = downloadFile "$url.bz2";
     }
 
     # Otherwise, just get the uncompressed manifest.
     else {
-        print "fetching list of Nix archives at `$url'...\n";
+        print "fetching list of Nix archives at ‘$url’...\n";
         $manifest = downloadFile $url;
     }
 
@@ -65,11 +65,11 @@ sub processURL {
     }
 
     my $hash = `$Nix::Config::binDir/nix-hash --flat '$manifest'`
-        or die "cannot hash `$manifest'";
+        or die "cannot hash ‘$manifest’";
     chomp $hash;
 
     my $urlFile = "$manifestDir/$baseName-$hash.url";
-    open URL, ">$urlFile" or die "cannot create `$urlFile'";
+    open URL, ">$urlFile" or die "cannot create ‘$urlFile’";
     print URL $origUrl;
     close URL;
 
@@ -78,7 +78,7 @@ sub processURL {
     unlink $finalPath if -e $finalPath;
 
     symlink("$manifest", "$finalPath")
-        or die "cannot link `$finalPath to `$manifest'";
+        or die "cannot link ‘$finalPath’ to ‘$manifest’";
 
     deleteOldManifests($origUrl, $urlFile);
 }
diff --git a/scripts/nix-push.in b/scripts/nix-push.in
index 1343099f1dbf..b0cb6d0da782 100755
--- a/scripts/nix-push.in
+++ b/scripts/nix-push.in
@@ -41,33 +41,33 @@ for (my $n = 0; $n < scalar @ARGV; $n++) {
         $force = 1;
     } elsif ($arg eq "--dest") {
         $n++;
-        die "$0: `$arg' requires an argument\n" unless $n < scalar @ARGV;
+        die "$0: ‘$arg’ requires an argument\n" unless $n < scalar @ARGV;
         $destDir = $ARGV[$n];
         mkpath($destDir, 0, 0755);
     } elsif ($arg eq "--manifest") {
         $writeManifest = 1;
     } elsif ($arg eq "--manifest-path") {
         $n++;
-        die "$0: `$arg' requires an argument\n" unless $n < scalar @ARGV;
+        die "$0: ‘$arg’ requires an argument\n" unless $n < scalar @ARGV;
         $manifestPath = $ARGV[$n];
         $writeManifest = 1;
         mkpath(dirname($manifestPath), 0, 0755);
     } elsif ($arg eq "--url-prefix") {
         $n++;
-        die "$0: `$arg' requires an argument\n" unless $n < scalar @ARGV;
+        die "$0: ‘$arg’ requires an argument\n" unless $n < scalar @ARGV;
         $archivesURL = $ARGV[$n];
     } elsif ($arg eq "--link") {
         $link = 1;
     } elsif ($arg eq "--key") {
         $n++;
-        die "$0: `$arg' requires an argument\n" unless $n < scalar @ARGV;
+        die "$0: ‘$arg’ requires an argument\n" unless $n < scalar @ARGV;
         $privateKeyFile = $ARGV[$n];
     } elsif ($arg eq "--key-name") {
         $n++;
-        die "$0: `$arg' requires an argument\n" unless $n < scalar @ARGV;
+        die "$0: ‘$arg’ requires an argument\n" unless $n < scalar @ARGV;
         $keyName = $ARGV[$n];
     } elsif (substr($arg, 0, 1) eq "-") {
-        die "$0: unknown flag `$arg'\n";
+        die "$0: unknown flag ‘$arg’\n";
     } else {
         push @roots, $arg;
     }
@@ -108,7 +108,7 @@ foreach my $storePath (@storePaths) {
     my $pathHash = substr(basename($storePath), 0, 32);
     my $narInfoFile = "$destDir/$pathHash.narinfo";
     if (-e $narInfoFile) {
-        my $narInfo = parseNARInfo($storePath, readFile($narInfoFile), 0, $narInfoFile) or die "cannot read `$narInfoFile'\n";
+        my $narInfo = parseNARInfo($storePath, readFile($narInfoFile), 0, $narInfoFile) or die "cannot read ‘$narInfoFile’\n";
         my $narFile = "$destDir/$narInfo->{url}";
         if (-e $narFile) {
             print STDERR "skipping existing $storePath\n";
@@ -197,7 +197,7 @@ for (my $n = 0; $n < scalar @storePaths2; $n++) {
         system("$Nix::Config::binDir/nix-store --dump $storePath > $nar") == 0
             or die "cannot dump $storePath\n";
         $narHash = `$Nix::Config::binDir/nix-hash --type sha256 --base32 --flat $nar`;
-        die "cannot hash `$nar'" if $? != 0;
+        die "cannot hash ‘$nar’" if $? != 0;
         chomp $narHash;
         $narHash = "sha256:$narHash";
         $narSize = stat("$nar")->size;