1 files changed, 40 insertions, 0 deletions
diff --git a/contrib/git_untouch.sh b/contrib/git_untouch.sh
new file mode 100755
index 0000000..c9d3ede
--- /dev/null
+++ b/contrib/git_untouch.sh
@@ -0,0 +1,40 @@
+#!/bin/bash -e
+
+# From http://stackoverflow.com/questions/1964470/whats-the-equivalent-of-use-commit-times-for-git
+# Modified to only run on files passed on command line
+
+OS=${OS:-`uname`}
+
+get_file_rev() {
+    git rev-list -n 1 HEAD "$1"
+}    
+
+if [ "$OS" = 'FreeBSD' ]
+then
+    update_file_timestamp() {
+        file_time=`date -r "$(git show --pretty=format:%at --abbrev-commit "$(get_file_rev "$1")" | head -n 1)" '+%Y%m%d%H%M.%S'`
+        touch -h -t "$file_time" "$1"
+    }    
+else    
+    update_file_timestamp() {
+        file_time=`git show --pretty=format:%ai --abbrev-commit "$(get_file_rev "$1")" | head -n 1`
+        touch -d "$file_time" "$1"
+    }    
+fi    
+
+OLD_IFS=$IFS
+IFS=$'\n'
+
+for file in $@
+do
+    if [ ! `git status --ignored --porcelain $file` ]
+    then
+        update_file_timestamp "$file"
+    fi
+done
+
+IFS=$OLD_IFS
+
+git update-index --refresh &> /dev/null || true
+
+exit 0