chiark / gitweb /
reflect TopGit remote handling and slight changes to the process
[topgit.git] / tg-export.sh
index 4ce54cd1e96a903a72781eb90af0e63c9ff831cf..654b38bf50805c182f67f189ce4cf5cfecda3fc0 100644 (file)
@@ -18,7 +18,7 @@ while [ -n "$1" ]; do
        --collapse)
                driver=collapse;;
        -*)
-               echo "Usage: tg export ([--collapse] NEWBRANCH | --quilt DIRECTORY)" >&2
+               echo "Usage: tg [...] export ([--collapse] NEWBRANCH | --quilt DIRECTORY)" >&2
                exit 1;;
        *)
                [ -z "$output" ] || die "output already specified ($output)"
@@ -32,7 +32,7 @@ base_rev="$(git rev-parse --short --verify "refs/top-bases/$name" 2>/dev/null)"
        die "not on a TopGit-controlled branch"
 
 
-playground="$(mktemp -d)"
+playground="$(mktemp -d -t tg-export.XXXXXX)"
 trap 'rm -rf "$playground"' EXIT
 
 
@@ -122,11 +122,10 @@ collapse()
 
        else
                # First time hitting this dep; the common case
+               echo "Collapsing $_dep"
                commit="$(collapsed_commit "$_dep")"
-
                mkdir -p "$playground/$(dirname "$_dep")"
                echo "$commit" >"$playground/$_dep"
-               echo "Collapsed $_dep"
        fi
 
        # Propagate our work through the dependency chain
@@ -150,10 +149,10 @@ quilt()
                return
        fi
 
+       echo "Exporting $_dep"
        mkdir -p "$(dirname "$filename")"
-       tg patch "$_dep" >"$filename"
+       $tg patch "$_dep" >"$filename"
        echo "$_dep.diff -p1" >>"$output/series"
-       echo "Exported $_dep"
 }
 
 
@@ -162,7 +161,7 @@ quilt()
 if [ "$driver" = "collapse" ]; then
        [ -n "$output" ] ||
                die "no target branch specified"
-       ! git rev-parse --verify "$output" >/dev/null 2>&1 ||
+       ! ref_exists "$output"  ||
                die "target branch '$output' already exists; first run: git branch -D $output"
 
 elif [ "$driver" = "quilt" ]; then
@@ -191,7 +190,7 @@ recurse_deps driver "$name"
 
 
 if [ "$driver" = "collapse" ]; then
-       git update-ref "refs/heads/$output" "$(cat "$playground/$name")"
+       git update-ref "refs/heads/$output" "$(cat "$playground/$name")" ""
 
        depcount="$(cat "$playground/^ticker" | wc -l)"
        echo "Exported topic branch $name (total $depcount topics) to branch $output"