From ea5c89fa5f276f9b500fa6afe5880c6bcaddb789 Mon Sep 17 00:00:00 2001
From: Tony Duckles <tony@nynim.org>
Date: Sun, 17 Nov 2013 10:21:25 -0600
Subject: [PATCH] bin/git-*: Add git-alias, git-obliterate, git-show-tree

Adding some new Git utilities from git-extras:
https://github.com/visionmedia/git-extras
---
 bin/git-alias      | 9 +++++++++
 bin/git-obliterate | 7 +++++++
 bin/git-show-tree  | 5 +++++
 3 files changed, 21 insertions(+)
 create mode 100755 bin/git-alias
 create mode 100755 bin/git-obliterate
 create mode 100755 bin/git-show-tree

diff --git a/bin/git-alias b/bin/git-alias
new file mode 100755
index 0000000..f6ad849
--- /dev/null
+++ b/bin/git-alias
@@ -0,0 +1,9 @@
+#!/bin/sh
+# Usage: git-alias [<alias> [<value>]]
+# Show/add aliases.
+
+case $# in
+  0) git config --get-regexp 'alias.*' | colrm 1 6 | sed 's/[ ]/ = /' | sort ;;
+  1) git alias | grep -e "$1" ;;
+  *) git config --global "alias.$1" "$2" ;;
+esac
diff --git a/bin/git-obliterate b/bin/git-obliterate
new file mode 100755
index 0000000..25765e8
--- /dev/null
+++ b/bin/git-obliterate
@@ -0,0 +1,7 @@
+#!/bin/sh
+# Usage: git-obliterate <file>
+# Rewrite repo history to completely remove all traces of a given file/directory.
+
+file=$1
+test -z $file && echo "file required." 1>&2 && exit 1
+git filter-branch -f --index-filter "git rm -r --cached $file --ignore-unmatch" --prune-empty --tag-name-filter cat -- --all
diff --git a/bin/git-show-tree b/bin/git-show-tree
new file mode 100755
index 0000000..611e810
--- /dev/null
+++ b/bin/git-show-tree
@@ -0,0 +1,5 @@
+#!/bin/sh
+# Usage: git-show-tree
+# Display a tree summarizing the lineage of all branches in the repo.
+
+git log --all --graph --decorate --oneline --simplify-by-decoration
-- 
2.45.2