git-up

   1 #!/bin/sh
   2
   3 OPTIONS_SPEC="\
   4 $(basename $0) [options] [<remote> [<branch>]]
   5 --
   6 k,gitk      visualize unmerged differences
   7 r,rebase    perform a rebase
   8 m,merge     perform a merge
   9 "
  10 SUBDIRECTORY_OK=t
  11 . "$(git --exec-path)/git-sh-setup"
  12 require_work_tree
  13
  14 lbranch=$(git symbolic-ref HEAD | sed -e s~refs/heads/~~)
  15 remote=$(git config --get "branch.$lbranch.remote" || echo origin)
  16 branch=$(git config --get "branch.$lbranch.merge" || echo "refs/heads/$lbranch")
  17
  18 case "$(git config --bool --get madcoder.up-gitk)" in
  19     true) gitk=gitk;;
  20     *)    gitk=:
  21 esac
  22 case "$(git config --bool --get "branch.$lbranch.rebase")" in
  23     true) action=rebase;;
  24     *)    action=;;
  25 esac
  26
  27 while test $# != 0; do
  28     case "$1" in
  29         -k|--gitk)
  30             shift; gitk=gitk;;
  31         --no-gitk)
  32             shift; gitk=:;;
  33         -r|--rebase)
  34             shift; action=rebase;;
  35         --no-rebase)
  36             shift; rebase=${rebase#rebase};;
  37         -m|--merge)
  38             shift; action=merge;;
  39         --no-merge)
  40             shift; rebase=${rebase#merge};;
  41         --)
  42             shift; break;;
  43         *)
  44             usage;;
  45     esac
  46 done
  47
  48 case $# in
  49     0) ;;
  50     1) remote="$1";;
  51     2) remote="$1"; branch="$2";;
  52     *) usage;;
  53 esac
  54
  55 git fetch "${remote}"
  56 if test `git rev-list .."${remote}/${branch#refs/heads/}" -- | wc -l` = 0; then
  57     echo "Current branch $lbranch is up to date."
  58     exit 0
  59 fi
  60
  61 $gitk HEAD..."${remote}/${branch#refs/heads/}" --
  62 if test -z "$action"; then
  63     echo -n "(r)ebase/(m)erge/(q)uit ? "
  64     read ans
  65     case "$ans" in
  66         r*) action=rebase;;
  67         m*) action=merge;;
  68         *)  exit 0;;
  69     esac
  70 fi
  71
  72 unclean=
  73 git rev-parse --verify HEAD > /dev/null && \
  74     git update-index --refresh && \
  75     git diff-files --quiet && \
  76     git diff-index --cached --quiet HEAD -- || unclean=t
  77
  78 case "$action" in
  79     rebase)
  80         test -z "$unclean" || git stash save "git-up stash"
  81         git rebase "${remote}/${branch#refs/heads/}"
  82         ;;
  83     merge)
  84         test -z "$unclean" || git stash save "git-up stash"
  85         git merge "${remote}/${branch#refs/heads/}"
  86         ;;
  87     *)
  88         echo 1>&2 "no action specified"
  89         exit 1
  90         ;;
  91 esac
  92
  93 if test -n "$unclean"; then
  94     if test  -d "$(git rev-parse --git-dir)/../.dotest"; then
  95         echo ""
  96         echo "run 'git stash apply' when rebase is finished"
  97     else
  98         git stash apply
  99     fi
 100 fi