git-parse-remote.sh

   1 #!/bin/sh
   2
   3 # git-ls-remote could be called from outside a git managed repository;
   4 # this would fail in that case and would issue an error message.
   5 GIT_DIR=$(git rev-parse -q --git-dir) || :;
   6
   7 get_default_remote () {
   8         curr_branch=$(git symbolic-ref -q HEAD)
   9         curr_branch="${curr_branch#refs/heads/}"
  10         origin=$(git config --get "branch.$curr_branch.remote")
  11         echo ${origin:-origin}
  12 }
  13
  14 get_remote_merge_branch () {
  15         case "$#" in
  16         0|1)
  17             origin="$1"
  18             default=$(get_default_remote)
  19             test -z "$origin" && origin=$default
  20             curr_branch=$(git symbolic-ref -q HEAD) &&
  21             [ "$origin" = "$default" ] &&
  22             echo $(git for-each-ref --format='%(upstream)' $curr_branch)
  23             ;;
  24         *)
  25             repo=$1
  26             shift
  27             ref=$1
  28             # FIXME: It should return the tracking branch
  29             #        Currently only works with the default mapping
  30             case "$ref" in
  31             +*)
  32                 ref=$(expr "z$ref" : 'z+\(.*\)')
  33                 ;;
  34             esac
  35             expr "z$ref" : 'z.*:' >/dev/null || ref="${ref}:"
  36             remote=$(expr "z$ref" : 'z\([^:]*\):')
  37             case "$remote" in
  38             '' | HEAD ) remote=HEAD ;;
  39             heads/*) remote=${remote#heads/} ;;
  40             refs/heads/*) remote=${remote#refs/heads/} ;;
  41             refs/* | tags/* | remotes/* ) remote=
  42             esac
  43             [ -n "$remote" ] && case "$repo" in
  44                 .)
  45                     echo "refs/heads/$remote"
  46                     ;;
  47                 *)
  48                     echo "refs/remotes/$repo/$remote"
  49                     ;;
  50             esac
  51         esac
  52 }
  53
  54 error_on_missing_default_upstream () {
  55         cmd="$1"
  56         op_type="$2"
  57         op_prep="$3"
  58         example="$4"
  59         branch_name=$(git symbolic-ref -q HEAD)
  60         # If there's only one remote, use that in the suggestion
  61         remote="<remote>"
  62         if test $(git remote | wc -l) = 1
  63         then
  64                 remote=$(git remote)
  65         fi
  66
  67         if test -z "$branch_name"
  68         then
  69                 echo "You are not currently on a branch. Please specify which
  70 branch you want to $op_type $op_prep. See git-${cmd}(1) for details.
  71
  72     $example
  73 "
  74         else
  75                 echo "There is no tracking information for the current branch.
  76 Please specify which branch you want to $op_type $op_prep.
  77 See git-${cmd}(1) for details
  78
  79     $example
  80
  81 If you wish to set tracking information for this branch you can do so with:
  82
  83     git branch --set-upstream ${branch_name#refs/heads/} $remote/<branch>
  84 "
  85         fi
  86         exit 1
  87 }