Add git-add-match

Add `git-add-match` from [Git: programmatic staging](https://choly.ca/post/git-programmatic-staging/) blog post

Signed-off-by: Joe Block <[email protected]>

Author: unixorn

README.md

@@ -45,6 +45,7 @@ If you wrote one of these scripts and want it removed from this collection, plea
 
 | Script | Original Source | Description |
 | ------ | --------------- | ----------- |
+| `git-add-match` | [Git: programmatic staging](https://choly.ca/post/git-programmatic-staging/) | Allows you to use `expect` to automatically stage hunks matching a search term |
 | `git-add-username-remote` | Ryan Tomayko's dotfiles | Adds a remote for the current repository for the given GitHub username. |
 | `git-age` | Kristoffer Gronlund's [wiki](https://github.com/krig/git-age/wiki) | A git-blame viewer, written using PyGTK. |
 | `git-amend-all` | John Wiegley's [git scripts](https://github.com/jwiegley/git-scripts) | Adds all modified and deleted files, except the new files and adds them to the recent commit by amending it. |

bin/git-add-match

@@ -0,0 +1,32 @@
+#!/usr/bin/env expect -f
+#
+# Original source: https://choly.ca/post/git-programmatic-staging
+
+# Set timeout to prevent the script from hanging
+set timeout -1
+
+# Get the search pattern as a command line argument
+if {[llength $argv] != 0} {
+   set pattern [lindex $argv 0]
+} else {
+   puts "Error: search pattern not provided"
+   exit 1
+}
+
+# Open the interaction with git add -p
+spawn git add -p
+
+# This is the main loop that handles the user interaction
+expect {
+  # This expect block is for the hunk that contains the provided pattern
+  "*$pattern*Stage this hunk*" {
+    send "y\r"
+    exp_continue
+  }
+  # This expect block is for continuing to the next hunk
+  "*Stage this hunk*" {
+    send "n\r"
+    exp_continue
+  }
+  eof
+}