chiark / gitweb /
control: depend on git | git-core
[topgit.git] / tg-update.sh
index 912c968..73280c6 100644 (file)
@@ -9,7 +9,7 @@ name=
 ## Parse options
 
 if [ -n "$1" ]; then
-       echo "Usage: tg update" >&2
+       echo "Usage: tg [...] update" >&2
        exit 1
 fi
 
@@ -54,12 +54,12 @@ if [ -s "$depcheck" ]; then
                                (
                                export TG_RECURSIVE="[$dep] $TG_RECURSIVE"
                                export PS1="[$dep] $PS1"
-                               while ! tg update; do
+                               while ! $tg update; do
                                        # The merge got stuck! Let the user fix it up.
                                        info "You are in a subshell. If you abort the merge,"
                                        info "use \`exit 1\` to abort the recursive update altogether."
                                        if ! sh -i </dev/tty; then
-                                               info "Ok, you aborated the merge. Now, you just need to"
+                                               info "Ok, you aborted the merge. Now, you just need to"
                                                info "switch back to some sane branch using \`git checkout\`."
                                                exit 3
                                        fi
@@ -75,7 +75,7 @@ if [ -s "$depcheck" ]; then
                        info "Updating base with $dep changes..."
                        if ! git merge "$dep"; then
                                if [ -z "$TG_RECURSIVE" ]; then
-                                       resume='`tg update` again'
+                                       resume="\`git checkout $name && $tg update\` again"
                                else # subshell
                                        resume='exit'
                                fi
@@ -87,21 +87,23 @@ if [ -s "$depcheck" ]; then
                                exit 2
                        fi
                done
-
-       # Home, sweet home...
-       git checkout -q "$name"
 else
        info "The base is up-to-date."
 fi
 rm "$depcheck"
 
+# Home, sweet home...
+# (We want to always switch back, in case we were on the base from failed
+# previous merge.)
+git checkout -q "$name"
+
 merge_with="refs/top-bases/$name"
 
 
 ## Second, update our head with the remote branch
 
-rname="refs/remotes/$base_remote/$name"
-if [ -n "$base_remote" ] && ref_exists "$rname"; then
+if has_remote "$name"; then
+       rname="refs/remotes/$base_remote/$name"
        if branch_contains "$name" "$rname"; then
                info "The $name head is up-to-date wrt. its remote branch."
        else
@@ -133,10 +135,12 @@ if ! git merge "$merge_with"; then
        if [ -z "$TG_RECURSIVE" ]; then
                info "Please commit merge resolution. No need to do anything else"
                info "You can abort this operation using \`git reset --hard\` now"
-               info "and retry this merge later using \`tg update\`."
+               info "and retry this merge later using \`$tg update\`."
        else # subshell
                info "Please commit merge resolution and call exit."
                info "You can abort this operation using \`git reset --hard\`."
        fi
        exit 3
 fi
+
+# vim:noet