treewide: fix string escapes

pkgs/applications/video/kino/default.nix

@@ -80,7 +80,7 @@ stdenv.mkDerivation {
 
   postInstall = "
     rpath=`patchelf --print-rpath \$out/bin/kino`;
-    for i in $\buildInputs; do
+    for i in $buildInputs; do
       echo adding \$i/lib
       rpath=\$rpath\${rpath:+:}\$i/lib
     done

pkgs/development/tools/misc/ctags/wrapped.nix

@@ -27,19 +27,19 @@ with pkgs.stdenv.lib;
 
   # don't scan version control directories
   defaultArgs = [
-    "--exclude=\.svn"
-    "--exclude=\.hg"
-    "--exclude=\.git"
-    "--exclude=\_darcs"
+    "--exclude=.svn"
+    "--exclude=.hg"
+    "--exclude=.git"
+    "--exclude=_darcs"
     "--sort=yes"
   ];
 
   # actionscript
   asLang = [
     "--langdef=ActionScript"
     "--langmap=ActionScript:.as"
-    "--regex-ActionScript=/function[ \\t]+([A-Za-z0-9_]+)[ \\t]*\\(/\1/f,function,functions/"
-    "--regex-ActionScript=/function[ \\t]+(set|get)[ \\t]+([A-Za-z0-9_]+)[ \\t]*\\(/\2/p,property,properties/"
+    "--regex-ActionScript=/function[ \\t]+([A-Za-z0-9_]+)[ \\t]*\\(/\\1/f,function,functions/"
+    "--regex-ActionScript=/function[ \\t]+(set|get)[ \\t]+([A-Za-z0-9_]+)[ \\t]*\\(/\\2/p,property,properties/"
     "--regex-ActionScript=/interface[ \\t]+[a-z0-9_.]*([A-Z][A-Za-z0-9_]+)/\\1/i,interface,interfaces/"
     "--regex-ActionScript=/package[ \\t]+([^ \\t]*)/\\1/p/"
     "--regex-ActionScript=/class[ \\t]+[a-z0-9_.]*([A-Z][A-Za-z0-9_]+)/\\1/c,class,classes/"
@@ -67,7 +67,7 @@ with pkgs.stdenv.lib;
   nixLang = [
     "--langdef=NIX"
     "--langmap=NIX:.nix"
-    "--regex-NIX=/\([^ \\t*]*\)[ \\t]*=/\\1/f/"
+    "--regex-NIX=/([^ \\t*]*)[ \\t]*=/\\1/f/"
   ];
 
   rubyLang = [

pkgs/os-specific/darwin/apple-source-releases/system_cmds/default.nix

@@ -14,8 +14,8 @@ appleDerivation {
   #                    + lib.optionalString hostPlatform.isAarch32 "-D__arm__";
   NIX_CFLAGS_COMPILE = [ "-DDAEMON_UID=1"
                          "-DDAEMON_GID=1"
-                         "-DDEFAULT_AT_QUEUE=\'a\'"
-                         "-DDEFAULT_BATCH_QUEUE=\'b\'"
+                         "-DDEFAULT_AT_QUEUE='a'"
+                         "-DDEFAULT_BATCH_QUEUE='b'"
                          "-DPERM_PATH=\"/usr/lib/cron/\""
                          "-DOPEN_DIRECTORY"
                          "-DNO_DIRECT_RPC"

pkgs/tools/typesetting/tex/texlive/combine.nix

@@ -136,9 +136,9 @@ in buildEnv {
     script =
       writeText "hyphens.sed" (
         # pick up the header
-        "1,/^\% from/p;"
+        "1,/^% from/p;"
         # pick up all sections matching packages that we combine
-        + lib.concatMapStrings (pname: "/^\% from ${pname}:$/,/^\%/p;\n") pnames
+        + lib.concatMapStrings (pname: "/^% from ${pname}:$/,/^%/p;\n") pnames
       );
   in ''
     (