has_remote(): Introduce to check if branch has remote counterpart

diff --git a/tg-update.sh b/tg-update.sh
index 912c968dbdce2b3ce35f08f2adfcbf82164fbff0..34fa6dcb10f59799e0df977e98544483cff3fc30 100644 (file)
--- a/tg-update.sh
+++ b/tg-update.sh
@@ -100,8 +100,8 @@ 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

diff --git a/tg.sh b/tg.sh
index 0eec4d4dc3158bbc40645da742323c08beb62236..b2b9191c0ae847952be9217fa11d7061fca33f12 100644 (file)
--- a/tg.sh
+++ b/tg.sh
@@ -87,6 +87,13 @@ ref_exists()
        git rev-parse --verify "$@" >/dev/null 2>&1
 }
 
+# has_remote BRANCH
+# Whether BRANCH has a remote equivalent (accepts top-bases/ too)
+has_remote()
+{
+       [ -n "$base_remote" ] && ref_exists "remotes/$base_remote/$1"
+}
+
 # recurse_deps CMD NAME [BRANCHPATH...]
 # Recursively eval CMD on all dependencies of NAME.
 # CMD can refer to $_name for queried branch name,
@@ -106,9 +113,8 @@ recurse_deps()
        _depsfile="$(mktemp -t tg-depsfile.XXXXXX)"
        # Check also our base against remote base. Checking our head
        # against remote head has to be done in the helper.
-       _remotebase="refs/remotes/$base_remote/top-bases/$_name"
-       if [ -n "$base_remote" ] && ref_exists "$_remotebase"; then
-               echo "$_remotebase" >>"$_depsfile"
+       if has_remote "top-bases/$_name"; then
+               echo "refs/remotes/$base_remote/top-bases/$_name" >>"$_depsfile"
        fi
        git cat-file blob "$_name:.topdeps" >>"$_depsfile"
 
@@ -147,7 +153,7 @@ branch_needs_update()
 {
        _dep_base_update=
        if [ -n "$_dep_is_tgish" ]; then
-               if [ -n "$base_remote" ] && ref_exists "refs/remotes/$base_remote/$_dep"; then
+               if has_remote "$_dep"; then
                        branch_contains "$_dep" "refs/remotes/$base_remote/$_dep" || _dep_base_update=%
                fi
                # This can possibly override the remote check result;