jj: Add jj insert alias for forgotten commits

Allows the user to just use the `ji` alias to quickly create a (previous) change,
commit whatever they forgot and move back to the current commit.

vcs/jj/config/sh/alias.d/jj.sh

@@ -34,6 +34,12 @@ alias jee="jj next --edit"
 alias jss="jj squash"
 alias jsi="jj squash --interactive"
 
+# oops buttons
+alias ju="jj undo"
+# for damn,-forgot-to-split-this-commit workflow
+# Creates a new commit before with your selected changes, lets you describe it and carry on
+alias ji="jj new -B@ --no-edit && jj squash --interactive && jj edit '@-' && jj describe && jj edit '@+'"
+
 # revset info
 alias jl="jj log -T builtin_log_oneline"
 alias jL="jj log -r 'all()'"
@@ -56,6 +62,5 @@ alias jb="jj log -r 'ancestors(heads(all()), 3)'"
 
 alias jrb="jj rebase"
 
-alias ju="jj undo"
 
 alias jp="jj git push"