tg-export: use pretty_tree -b for base

[topgit.git] / tg-update.sh

diff --git a/tg-update.sh b/tg-update.sh
index 24615a641cb7d3fe18b687dafd7e0b34e105a021..5162c52b9d335f383a0bdb54ceb0c5929463b20f 100644 (file)
--- a/tg-update.sh
+++ b/tg-update.sh
@@ -8,20 +8,26 @@ name=
 
 ## Parse options
 
-if [ -n "$1" ]; then
-       echo "Usage: tg [...] update" >&2
-       exit 1
-fi
-
-
-name="$(git symbolic-ref HEAD | sed 's#^refs/\(heads\|top-bases\)/##')"
+while [ -n "$1" ]; do
+       arg="$1"; shift
+       case "$arg" in
+       -*)
+               echo "Usage: tg [...] update [NAME]" >&2
+               exit 1;;
+       *)
+               [ -z "$name" ] || die "name already specified ($name)"
+               name="$arg";;
+       esac
+done
+
+[ -n "$name" ] || name="$(git symbolic-ref HEAD | sed 's#^refs/\(heads\|top-bases\)/##')"
 base_rev="$(git rev-parse --short --verify "refs/top-bases/$name" 2>/dev/null)" ||
        die "not a TopGit-controlled branch"
 
 
 ## First, take care of our base
 
-depcheck="$(mktemp -t tg-depcheck.XXXXXX)"
+depcheck="$(get_temp tg-depcheck)"
 missing_deps=
 needs_update "$name" >"$depcheck" || :
 [ -z "$missing_deps" ] || die "some dependencies are missing: $missing_deps"
@@ -59,7 +65,7 @@ if [ -s "$depcheck" ]; then
                                        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
@@ -87,13 +93,14 @@ 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"
 
@@ -140,3 +147,5 @@ if ! git merge "$merge_with"; then
        fi
        exit 3
 fi
+
+# vim:noet