dotfiles/root/private_dot_config/mr/sh.d/git-remotes at main · nandalopes/dotfiles · GitHub

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# -*- mode: sh -*-

# Utilities for ensuring that a git repository has the right remotes
# set.
#
# Sample usage from within an .mrconfig file:
#
#   [repo]
#   checkout = git clone ...
#   remotes = git_add_remotes "
#       remote1  git@github.com:$MY_GITHUB_USERNAME/$MR_NAME.git
#       mydomain ssh://foo@REMOTE.com/path/to/git/repo
#       ...
#       "
#
# or even
#
#   [repo]
#   checkout = git clone ...
#   fixups = git_add_remotes "..."

git_add_new_remote () {
    remote="$1"
    url="$2"
    if git remote add "$remote" "$url"; then
        echo "+ Added remote $remote -> $url"
        return 0
    else
        error "! Failed to add remote $remote"
        return 1
    fi
}

git_set_remote () {
    remote="$1"
    url="$2"
    existing_url="$3"
    if git remote set-url "$remote" "$url"; then
        info "+ Repointed remote $remote -> $url (was $existing_url)"
        return 0
    else
        error "! Failed to repoint remote $remote"
        return 1
    fi
}

# git_add_remote REMOTE-NAME URL
git_add_remote () {
    remote="$1"
    url="$2"
    existing_url=$( git config "remote.$remote.url" ) || true
    if [ -n "$existing_url" ]; then
        if [ "$url" = "$existing_url" ]; then
            #info ". Remote $remote already points to $url"
            return
        fi

        if [ -n "$MR_OVERWRITE_REMOTES" ]; then
            git_set_remote "$remote" "$url" "$existing_url"
            return
        else
            warning "! Remote $remote already points to $existing_url not $url"
            warning "! Use MR_OVERWRITE_REMOTES=y to rewrite URL."
            return
        fi
    fi

    git_add_new_remote "$remote" "$url"
}

# git_add_remotes REMOTES
#
# REMOTES is a multi-line string where each line is
#
#   REMOTE URL [EXCEPTION]
#
# Invokes git_add_remote for each line,
# substituting 'REMOTE' for REMOTE in URL,
# except for lines where localhost nickname equals EXCEPTION
git_add_remotes () {
    cd "$MR_REPO"

    echo "$*" | while read remote url; do
        if [ -z "$remote$url" ]; then
            # presumably got a blank line
            continue
        fi
        url=$( echo "$url" | sed "s/REMOTE/$remote/g" )

        if [ -z "$exception" ]; then
            exception="$remote"
        fi

        git_add_remote "$remote" "$url"
    done
}

# git_rm_remote REMOTE-NAME
git_rm_remote () {
    remote="$1"
    if git config remote."$remote".url >/dev/null; then
        if git remote remove "$remote"; then
            echo "- Removed remote $remote"
        else
            echo >&2 "WARNING: Failed to remove remote $remote"
        fi
    else
        echo ". $remote remote was already removed"
    fi
}

# git_rm_remotes REMOTES
#
# REMOTES is a multi-line string with one remote per line.
# Invokes git_rm_remote for each line.
git_rm_remotes () {
    cd "$MR_REPO"
    echo "$*" | while read remote; do
        if [ -z "$remote$url" ]; then
            # presumably got a blank line
            continue
        fi

        git_rm_remote "$remote"
    done
}