## 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: $missing_deps"
(
export TG_RECURSIVE="[$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
info "Updating base with $dep changes..."
if ! git merge "$dep"; then
if [ -z "$TG_RECURSIVE" ]; then
- resume='`tg update` again'
+ resume="\`git checkout $name && $tg update\` again"
else # subshell
resume='exit'
fi
exit 2
fi
done
-
- # Home, sweet home...
- git checkout -q "$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/$name"
if [ -z "$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