From d504fc5f2b5d02ad4b1a9b58e31250f4feee0ad8 Mon Sep 17 00:00:00 2001
From: Ismo Vuorinen <ismo@ivuorinen.net>
Date: Thu, 13 Apr 2023 08:41:14 +0300
Subject: [PATCH] misc: .screenrc, config, functions & new scripts!

---
 config/alias                    |  3 ++
 config/exports-apps             |  2 ++
 config/functions                | 17 ++++++++++
 config/misc/screenrc            | 16 +++++++++
 local/bin/x-compare-versions.py | 57 +++++++++++++++++++++++++++++++++
 local/bin/x-ip                  |  5 +++
 6 files changed, 100 insertions(+)
 create mode 100644 config/misc/screenrc
 create mode 100755 local/bin/x-compare-versions.py
 create mode 100755 local/bin/x-ip

diff --git a/config/alias b/config/alias
index 168ecb1..4a26596 100755
--- a/config/alias
+++ b/config/alias
@@ -56,6 +56,9 @@ alias watchx='watch -dpbc' # watch with: differences, precise, beep and color
 alias zapds='find . -name ".DS_Store" -print -delete'
 alias t='tail -f'   # tail with follow flag on
 alias dn='du -chd1' # directory usage, return only the total
+alias mirrorsite='wget -m -k -K -E -e robots=off' # Mirror site
+# Mirror stdout to stderr, useful for seeing data going through a pipe
+alias peek='tee >(cat 1>&2)'
 
 alias code_scanner='docker run
   --env SOURCE_CODE="$PWD"
diff --git a/config/exports-apps b/config/exports-apps
index 369e724..fff9206 100755
--- a/config/exports-apps
+++ b/config/exports-apps
@@ -103,3 +103,5 @@ export _Z_DATA="$XDG_STATE_HOME/z"
 # Misc
 export ANDROID_HOME="$XDG_DATA_HOME/android"
 export GNUPGHOME="$XDG_DATA_HOME/gnupg"
+export SCREENRC="$XDG_CONFIG_HOME/misc/screenrc"
+
diff --git a/config/functions b/config/functions
index 8041a75..113e444 100755
--- a/config/functions
+++ b/config/functions
@@ -66,6 +66,23 @@ function silent
   "$@" >&/dev/null
 }
 
+function path_remove
+{
+  PATH=$(echo -n "$PATH" | awk -v RS=: -v ORS=: "\$0 != \"$1\"" | sed 's/:$//')
+}
+
+function path_append
+{
+  path_remove "$1"
+  PATH="${PATH:+"$PATH:"}$1"
+}
+
+function path_prepend
+{
+  path_remove "$1"
+  PATH="$1${PATH:+":$PATH"}"
+}
+
 # Defines default antigen bundles
 function x-default-antigen-bundles
 {
diff --git a/config/misc/screenrc b/config/misc/screenrc
new file mode 100644
index 0000000..b483947
--- /dev/null
+++ b/config/misc/screenrc
@@ -0,0 +1,16 @@
+# Disable the startup message
+startup_message off
+
+# Set a large scrollback buffer
+defscrollback 32000
+
+# Always start `screen` with UTF-8 enabled (`screen -U`)
+defutf8 on
+
+# Scroll with mouse wheel (http://stackoverflow.com/a/1125947)
+termcapinfo xterm* ti@:te@
+
+# Some settings for screen + vim
+term xterm-256color
+maptimeout 10
+
diff --git a/local/bin/x-compare-versions.py b/local/bin/x-compare-versions.py
new file mode 100755
index 0000000..f7647d7
--- /dev/null
+++ b/local/bin/x-compare-versions.py
@@ -0,0 +1,57 @@
+#!/usr/bin/env python
+"""
+Version Comparison tool for the CLI.
+
+Adapted from script found in anishathalye's dotfiles.
+https://github.com/anishathalye/dotfiles/blob/master/bin/vercmp
+"""
+
+import operator
+import sys
+
+from packaging import version
+
+str_to_operator = {
+    "==": operator.eq,
+    "!=": operator.ne,
+    "<": operator.lt,
+    "<=": operator.le,
+    ">": operator.gt,
+    ">=": operator.ge,
+}
+
+
+def vercmp(expr):
+    """Version Comparison function."""
+    words = expr.split()
+    comparisons = [words[i: i + 3] for i in range(0, len(words) - 2, 2)]
+    for left, op_str, right in comparisons:
+        compare_op = str_to_operator[op_str]
+        if not compare_op(version.parse(left), version.parse(right)):
+            return False
+    return True
+
+
+def main():
+    """Triggers version comparison if line is provided."""
+    for line in sys.stdin:
+        if not vercmp(line):
+            sys.exit(1)
+    sys.exit(0)
+
+
+def test():
+    """Basic functionality tests."""
+    assert not vercmp("1.9 >= 2.4")
+    assert vercmp("2.4 >= 2.4")
+    assert vercmp("2.5 >= 2.4")
+    assert vercmp("3 >= 2.999")
+    assert vercmp("2.9 < 2.9a")
+    assert vercmp("2.9a >= 2.8")
+
+
+if __name__ == "__main__":
+    if len(sys.argv) == 2 and sys.argv[1] == "test":
+        test()
+    else:
+        main()
diff --git a/local/bin/x-ip b/local/bin/x-ip
new file mode 100755
index 0000000..39d240e
--- /dev/null
+++ b/local/bin/x-ip
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+# Source: https://github.com/thirtythreeforty/dotfiles/blob/master/bin/extip
+
+curl icanhazip.com "${@}"
+