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authorSebastian Gniazdowski <sgniazdowski@gmail.com>2015-09-20 14:39:46 +0200
committerSebastian Gniazdowski <sgniazdowski@gmail.com>2015-11-01 16:10:55 +0100
commit4c292ea2b023a331dcf1af5644487f2272d24a4d (patch)
tree7141e282b7aaf9e5fba7ea3102c25ef0e5478d40 /plugins/zsh-navigation-tools/znt-usetty-wrapper
parent9c08641d7c2aae0c82fa5ad91f94c67b70115ba5 (diff)
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Initial commit of Zsh Navigation Tools
Diffstat (limited to 'plugins/zsh-navigation-tools/znt-usetty-wrapper')
-rw-r--r--plugins/zsh-navigation-tools/znt-usetty-wrapper40
1 files changed, 40 insertions, 0 deletions
diff --git a/plugins/zsh-navigation-tools/znt-usetty-wrapper b/plugins/zsh-navigation-tools/znt-usetty-wrapper
new file mode 100644
index 000000000..19c5ac8b6
--- /dev/null
+++ b/plugins/zsh-navigation-tools/znt-usetty-wrapper
@@ -0,0 +1,40 @@
+emulate -L zsh
+
+zmodload zsh/curses
+
+test_fd0() {
+ true <&0
+}
+
+local restore=0 FD
+
+# Reattach to terminal
+if [ ! -t 0 ]; then
+ # Check if can reattach to terminal in any way
+ if [[ ! -c /dev/tty && ! -t 2 ]]; then
+ echo "No terminal available (no /dev/tty and no terminal at stderr)"
+ return 1
+ fi
+
+ if test_fd0 2>/dev/null; then
+ exec {FD}<&0
+ restore=2
+ else
+ restore=1
+ fi
+
+ if [[ ! -c /dev/tty ]]; then
+ exec <&2
+ else
+ exec </dev/tty
+ fi
+fi
+
+# Run the command
+"$@"
+
+# Restore FD state
+(( restore == 1 )) && exec <&-
+(( restore == 2 )) && exec <&$FD && exec {FD}<&-
+
+# vim: set filetype=zsh: