for_each_reflog_ent(): extract a helper to process a single entry
[git] / 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 }