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-rw-r--r--krebs/4lib/default.nix1
-rw-r--r--krebs/4lib/shell.nix15
-rw-r--r--tv/4lib/default.nix9
3 files changed, 17 insertions, 8 deletions
diff --git a/krebs/4lib/default.nix b/krebs/4lib/default.nix
index b67585335..8b587dfb2 100644
--- a/krebs/4lib/default.nix
+++ b/krebs/4lib/default.nix
@@ -14,5 +14,6 @@ builtins // lib // rec {
dns = import ./dns.nix { inherit lib; };
listset = import ./listset.nix { inherit lib; };
+ shell = import ./shell.nix { inherit lib; };
tree = import ./tree.nix { inherit lib; };
}
diff --git a/krebs/4lib/shell.nix b/krebs/4lib/shell.nix
new file mode 100644
index 000000000..48b220f87
--- /dev/null
+++ b/krebs/4lib/shell.nix
@@ -0,0 +1,15 @@
+{ lib, ... }:
+
+with builtins;
+with lib;
+
+rec {
+ escape =
+ let
+ isSafeChar = c: match "[-./0-9_a-zA-Z]" c != null;
+ in
+ stringAsChars (c:
+ if isSafeChar c then c
+ else if c == "\n" then "'\n'"
+ else "\\${c}");
+}
diff --git a/tv/4lib/default.nix b/tv/4lib/default.nix
index 352689af4..106535ba2 100644
--- a/tv/4lib/default.nix
+++ b/tv/4lib/default.nix
@@ -16,12 +16,5 @@ krebs // rec {
# "7.4.335" -> "74"
majmin = with lib; x : concatStrings (take 2 (splitString "." x));
- shell-escape =
- let
- isSafeChar = c: match "[-./0-9_a-zA-Z]" c != null;
- in
- stringAsChars (c:
- if isSafeChar c then c
- else if c == "\n" then "'\n'"
- else "\\${c}");
+ shell-escape = krebs.shell.escape;
}