1 files changed, 100 insertions, 0 deletions
diff --git a/comp2041/tigger/tigger-status b/comp2041/tigger/tigger-status
new file mode 100755
index 0000000..b623432
--- /dev/null
+++ b/comp2041/tigger/tigger-status
@@ -0,0 +1,100 @@
+#!/bin/dash
+
+# Test if we have a valid repo before doing anything.
+if ! [ -d ".tigger/" ]; then
+  printf "tigger-add: error: tigger repository directory .tigger not found\n" >&2
+  exit 1
+fi
+
+# Get current branch + commit as usual.
+branch=$(cat .tigger/branch.tig)
+mkdir --parents ".tigger/$branch/"
+commit=$(find .tigger/"$branch"/ -maxdepth 1 -type d | grep -o -E "[\/][^\/]*$" | tr -d "/" | sort -n -r | head -n 1)
+if [ "$commit" = "" ]; then
+  commit="0"
+  mkdir --parents ".tigger/$branch/$commit/"
+fi
+
+# Grabs regular files from our working dir, staging and commit.
+files=$(find .tigger/"$branch"/"$commit"/commit/ .tigger/"$branch"/"$commit"/staged/ ./ -maxdepth 1 -type f -printf "%P\n" | sort | uniq | grep -v -E "^\." 2>/dev/null)
+for filename in $files; do
+  
+  c_dir=".tigger/$branch/$commit/commit/$filename";
+  s_dir=".tigger/$branch/$commit/staged/$filename";
+
+  is_c=0
+  is_s=0
+  is_w=0
+  if [ -e "$c_dir" ]; then
+    is_c=1
+  fi
+  if [ -e "$s_dir" ]; then
+    is_s=1
+  fi
+  if [ -e "$filename" ]; then
+    is_w=1
+  fi
+
+  # There are a LOT of very specific cases here.
+
+  if [ $is_w -eq 0 ] && [ $is_s -eq 0 ] && [ $is_c -eq 1 ]; then
+    printf "%s - deleted\n" "$filename"
+    continue
+  fi
+
+  if [ $is_w -eq 1 ] && [ $is_s -eq 0 ] && [ $is_c -eq 0 ]; then
+    printf "%s - untracked\n" "$filename"
+    continue;
+  fi
+
+  if [ $is_w -eq 1 ] && [ $is_s -eq 1 ] && [ $is_c -eq 1 ]; then
+    c="$(cat "$c_dir")"
+    s="$(cat "$s_dir")"
+    w="$(cat "$filename")"
+
+    if [ "$w" != "$s" ] && [ "$s" != "$c" ] && [ "$c" != "$w" ]; then
+      printf "%s - file changed, different changes staged for commit\n" "$filename"
+      continue
+    fi
+
+    if [ "$w" = "$s" ] && [ "$s" != "$c" ]; then
+      printf "%s - file changed, changes staged for commit\n" "$filename"
+      continue
+    fi
+
+    if [ "$w" != "$s" ] && [ "$s" = "$c" ]; then
+      printf "%s - file changed, changes not staged for commit\n" "$filename"
+      continue
+    fi
+
+    if [ "$w" = "$s" ] && [ "$s" = "$c" ]; then
+      printf "%s - same as repo\n" "$filename"
+      continue
+    fi
+  fi
+
+  if [ $is_w -eq 0 ] && [ $is_s -eq 1 ] && [ $is_c -eq 1 ] && [ "$(diff "$s_dir" "$c_dir")" = "" ]; then
+    printf "%s - file deleted\n" "$filename"
+    continue
+  fi
+
+  if [ $is_w -eq 1 ] && [ $is_s -eq 1 ] && [ $is_c -eq 0 ] && [ "$(diff "$filename" "$s_dir")" = "" ]; then
+    printf "%s - added to index\n" "$filename"
+    continue
+  fi
+
+  if [ $is_w -eq 1 ] && [ $is_s -eq 1 ] && [ $is_c -eq 0 ] && [ "$(diff "$filename" "$s_dir")" != "" ]; then
+    printf "%s - added to index, file changed\n" "$filename"
+    continue;
+  fi
+
+  if [ $is_w -eq 0 ] && [ $is_s -eq 1 ] && [ $is_c -eq 0 ]; then
+    printf "%s - added to index, file deleted\n" "$filename"
+    continue;
+  fi
+
+  printf "%s - untracked\n" "$filename"
+
+done
+
+exit 0