Update git aliases.

git.org

@@ -45,7 +45,7 @@ General git configuration split out into sections mostly.
     wd = diff --color-words
     fa = fetch --all
     ci = commit
-    ciu = commit --all
+    cia = commit --all
     co = checkout
     ds = diff --stat
     ba = branch --all
@@ -61,6 +61,7 @@ General git configuration split out into sections mostly.
     ri = rebase --interactive --autosquash
     ra = rebase --abort
     effit = reset --hard
+    bn = rev-parse --abbrev-ref HEAD
     cp = log --no-merges --cherry --graph --oneline
     # What commits differ between branches, note, equivalent commits are omitted.
     # Use this with three dot operator aka master...origin/master
@@ -68,14 +69,18 @@ General git configuration split out into sections mostly.
     # Same as ^ only equivalent commits are listed with a = sign.
     cmd = log --no-merges --left-right --graph --cherry-mark --oneline
     # git update with submodule update
-    sup = git pull --rebase && git submodule update --init --recursive
+    sup = !git pull --rebase && git submodule update --init --recursive
     # git clone with submodules
     sc = !git clone --recursive $1
     # what files are getting updated a lot
     churn = !git log --all -M -C --name-only --format='format:' "$@" | sort | grep -v '^$' | uniq -c | sort | awk 'BEGIN {print "count,file"} {print $1 "," $2}'
     # help the gc a bit and get a bit more space back for a local clone
     trim = !git reflog expire --expire=now --all && git gc --prune=now
-    aliases = !git config --list | grep 'alias\\.' | sed 's/alias\\.\\([^=]*\\)=\\(.*\\)/\\1\\ \t => \\2/' | sort
+    defremote = !git branch -rvv | egrep 'HEAD' | awk '{print $1}' | sed -e 's|/HEAD||g'
+    short = rev-parse --short
+    find-merge = !sh -c "commit=$0 && branch=${1:-HEAD} && (git rev-list $commit..$branch --ancestry-path | cat -n; git rev-list $commit..$branch --first-parent | cat -n) | sort -k2 | uniq -f1 -d | sort -n | tail -1 | cut -f2"
+    show-merge = !sh -c "merge=$(git find-merge $0 $1) && [ -n \"$merge\" ] && git show $merge"
+    pbr = !git push --set-upstream $(git defremote) $(git bnam)
 #+END_SRC
 ** github
 #+BEGIN_SRC conf :tangle (when (eq git-p t) "tmp/.gitconfig")