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 test -z "$branch_name"
  61         then
  62                 echo "You are not currently on a branch, so I cannot use any
  63 'branch.<branchname>.merge' in your configuration file.
  64 Please specify which branch you want to $op_type $op_prep on the command
  65 line and try again (e.g. '$example').
  66 See git-${cmd}(1) for details."
  67         else
  68                 echo "You asked me to $cmd without telling me which branch you
  69 want to $op_type $op_prep, and 'branch.${branch_name#refs/heads/}.merge' in
  70 your configuration file does not tell me, either. Please
  71 specify which branch you want to use on the command line and
  72 try again (e.g. '$example').
  73 See git-${cmd}(1) for details.
  74
  75 If you often $op_type $op_prep the same branch, you may want to
  76 use something like the following in your configuration file:
  77     [branch \"${branch_name#refs/heads/}\"]
  78     remote = <nickname>
  79     merge = <remote-ref>"
  80                 test rebase = "$op_type" &&
  81                 echo "    rebase = true"
  82                 echo "
  83     [remote \"<nickname>\"]
  84     url = <url>
  85     fetch = <refspec>
  86
  87 See git-config(1) for details."
  88         fi
  89         exit 1
  90 }