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Diffstat (limited to 'third_party/git/git-parse-remote.sh')
| -rw-r--r-- | third_party/git/git-parse-remote.sh | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/third_party/git/git-parse-remote.sh b/third_party/git/git-parse-remote.sh new file mode 100644 index 000000000000..d3c39980f3fe --- /dev/null +++ b/third_party/git/git-parse-remote.sh @@ -0,0 +1,101 @@ +# This is a shell library to calculate the remote repository and +# upstream branch that should be pulled by "git pull" from the current +# branch. + +# git-ls-remote could be called from outside a git managed repository; +# this would fail in that case and would issue an error message. +GIT_DIR=$(git rev-parse -q --git-dir) || :; + +get_default_remote () { + curr_branch=$(git symbolic-ref -q HEAD) + curr_branch="${curr_branch#refs/heads/}" + origin=$(git config --get "branch.$curr_branch.remote") + echo ${origin:-origin} +} + +get_remote_merge_branch () { + case "$#" in + 0|1) + origin="$1" + default=$(get_default_remote) + test -z "$origin" && origin=$default + curr_branch=$(git symbolic-ref -q HEAD) && + [ "$origin" = "$default" ] && + echo $(git for-each-ref --format='%(upstream)' $curr_branch) + ;; + *) + repo=$1 + shift + ref=$1 + # FIXME: It should return the tracking branch + # Currently only works with the default mapping + case "$ref" in + +*) + ref=$(expr "z$ref" : 'z+\(.*\)') + ;; + esac + expr "z$ref" : 'z.*:' >/dev/null || ref="${ref}:" + remote=$(expr "z$ref" : 'z\([^:]*\):') + case "$remote" in + '' | HEAD ) remote=HEAD ;; + heads/*) remote=${remote#heads/} ;; + refs/heads/*) remote=${remote#refs/heads/} ;; + refs/* | tags/* | remotes/* ) remote= + esac + [ -n "$remote" ] && case "$repo" in + .) + echo "refs/heads/$remote" + ;; + *) + echo "refs/remotes/$repo/$remote" + ;; + esac + esac +} + +error_on_missing_default_upstream () { + cmd="$1" + op_type="$2" + op_prep="$3" # FIXME: op_prep is no longer used + example="$4" + branch_name=$(git symbolic-ref -q HEAD) + display_branch_name="${branch_name#refs/heads/}" + # If there's only one remote, use that in the suggestion + remote="$(gettext "<remote>")" + branch="$(gettext "<branch>")" + if test $(git remote | wc -l) = 1 + then + remote=$(git remote) + fi + + if test -z "$branch_name" + then + gettextln "You are not currently on a branch." + else + gettextln "There is no tracking information for the current branch." + fi + case "$op_type" in + rebase) + gettextln "Please specify which branch you want to rebase against." + ;; + merge) + gettextln "Please specify which branch you want to merge with." + ;; + *) + echo >&2 "BUG: unknown operation type: $op_type" + exit 1 + ;; + esac + eval_gettextln "See git-\${cmd}(1) for details." + echo + echo " $example" + echo + if test -n "$branch_name" + then + gettextln "If you wish to set tracking information for this branch you can do so with:" + echo + echo " git branch --set-upstream-to=$remote/$branch $display_branch_name" + echo + fi + exit 1 +} |