tg remote: New command

[topgit.git] / tg-remote.sh

diff --git a/tg-remote.sh b/tg-remote.sh
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+++ b/tg-remote.sh
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+#!/bin/sh
+# TopGit - A different patch queue manager
+# (c) Petr Baudis <pasky@suse.cz>  2008
+# GPLv2
+
+populate= # Set to 1 if we shall seed local branches with this
+name=
+
+
+## Parse options
+
+while [ -n "$1" ]; do
+       arg="$1"; shift
+       case "$arg" in
+       --populate)
+               populate=1;;
+       -*)
+               echo "Usage: tg remote [--populate] REMOTE" >&2
+               exit 1;;
+       *)
+               name="$arg";;
+       esac
+done
+
+git config "remote.$name.url" >/dev/null || die "unknown remote '$name'"
+
+
+## Configure the remote
+
+git config --add "remote.$name.fetch" "+refs/top-bases/*:refs/remotes/$name/top-bases/*"
+git config --add "remote.$name.push" "+refs/top-bases/*:refs/top-bases/*"
+git config --add "remote.$name.push" "+refs/heads/*:refs/heads/*"
+
+info "Remote $name can now follow TopGit topic branches."
+if [ -z "$populate" ]; then
+       info "Next, do: git fetch $name"
+       exit
+fi
+
+
+## Populate local branches
+
+info "Populating local topic branches from remote '$name'..."
+
+git fetch "$name"
+git for-each-ref "refs/remotes/$name/top-bases" |
+       while read rev type ref; do
+               branch="${ref#refs/remotes/$name/top-bases/}"
+               if git rev-parse "$branch" >/dev/null 2>&1; then
+                       git rev-parse "refs/top-bases/$branch" >/dev/null 2>&1 ||
+                               git update-ref "refs/top-bases/$branch" "$rev"
+                       info "Skipping branch $branch: Already exists"
+                       continue
+               fi
+               info "Adding branch $branch..."
+               git update-ref "refs/top-bases/$branch" "$rev"
+               git update-ref "refs/heads/$branch" "$(git rev-parse "$name/$branch")"
+       done
+
+git config "topgit.remote" "$name"
+info "The remote '$name' is now the default source of topic branches."