Move scripts dir inside hm

And remove weird path contraptions

hm/scripts/gitghost

@@ -0,0 +1,72 @@
+#!/usr/bin/env nix-shell
+#! nix-shell -i bash --pure
+#! nix-shell -p bash coreutils git gnused
+
+# Replace git folders with a placeholder containing the remote and the commit
+
+function prompt { # text
+    while true; do
+        read -p "$1 [yn] " yn
+        case $yn in
+            [Yy]* ) return 1;;
+            [Nn]* ) return 0;;
+            * ) echo "Please answer yes or no.";;
+        esac
+    done
+}
+
+if [[ "$#" == 0 || "$#" > 2 ]]
+then
+    echo "Usage: $0 gitfolder [-y]"
+    exit 1
+fi
+
+folder="$(echo "$1" | sed 's/\/*$//')"
+if [ "$2" == "-y" ]
+then
+    donotask=true
+fi
+
+if [ ! -d "$folder/.git" ]
+then
+    echo "$folder is not a git repository"
+    exit 1
+fi
+
+if [ -n "$(git -C "$folder" diff)" ]
+then
+    echo "WARNING: There are unstaged change. Those will be discarded if you continue."
+fi
+
+echo "Be sure that every commit in the repository is backed up somewhere else, since those will be discarded."
+
+TMPFILE=$(mktemp)
+
+(echo "[gitplaceholder]"
+echo "lastcommit=$(git log --format="%H" -n 1)"
+echo
+echo "[remote]"
+git -C "$folder" remote -v
+echo
+echo "[branch]"
+git -C "$folder" branch -v
+echo
+echo "[diff]"
+git -C "$folder" diff -v) > $TMPFILE 2> /dev/null
+
+if [ ! $donotask ]
+then
+    less $TMPFILE
+    echo
+    echo "This will be written in place of $folder."
+    prompt "Do you want to continue ?"
+    if [ "$?" == 0 ]
+    then
+        echo "Canceled"
+        rm $TMPFILE
+        exit 0
+    fi
+fi
+echo "Dummying..."
+rm -rf "$folder"
+mv $TMPFILE $folder