die()
{
- info "fatal: $*"
+ info "fatal: $*" >&2
exit 1
}
arg="$1"
case "$arg" in
'(w):'*)
- arg=$(echo "$arg" | tail --bytes=+5)
- cat "$arg"
- return
+ cat "${arg#(w):}"
;;
'(i):'*)
# ':file' means cat from index
- arg=$(echo "$arg" | tail --bytes=+5)
- git cat-file blob ":$arg"
+ git cat-file blob "${arg#(i)}"
;;
*)
git cat-file blob "$arg"
+ ;;
esac
}
+# get tree for the committed topic
+get_tree_()
+{
+ echo "$1"
+}
+
+# get tree for the base
+get_tree_b()
+{
+ echo "refs/top-bases/$1"
+}
+
+# get tree for the index
+get_tree_i()
+{
+ git write-tree
+}
+
+# get tree for the worktree
+get_tree_w()
+{
+ i_tree=$(git write-tree)
+ (
+ # the file for --index-output needs to sit next to the
+ # current index file
+ : ${GIT_INDEX_FILE:="$git_dir/index"}
+ TMP_INDEX="$(mktemp "${GIT_INDEX_FILE}-tg.XXXXXX")"
+ git read-tree -m $i_tree --index-output="$TMP_INDEX" &&
+ GIT_INDEX_FILE="$TMP_INDEX" &&
+ export GIT_INDEX_FILE &&
+ git diff --name-only -z HEAD |
+ git update-index -z --add --remove --stdin &&
+ git write-tree &&
+ rm -f "$TMP_INDEX"
+ )
+}
+
+# pretty_tree NAME [-b | -i | -w]
+# Output tree ID of a cleaned-up tree without tg's artifacts.
+# NAME will be ignored for -i and -w, but needs to be present
+pretty_tree()
+{
+ name=$1
+ source=${2#?}
+ git ls-tree --full-tree "$(get_tree_$source "$name")" |
+ awk -F ' ' '$2 !~ /^.top/' |
+ git mktree
+}
+
# setup_hook NAME
setup_hook()
{
else
hook_call="exec $hook_call"
fi
+ # Don't call hook if tg is not installed
+ hook_call="if which \"$tg\" > /dev/null; then $hook_call; fi"
# Insert call into the hook
{
echo "#!/bin/sh"
test "$(git rev-parse "$mb^{tree}")" = "$(git rev-parse "$_name^{tree}")";
}
+# is_sha1 REF
+# Whether REF is a SHA1 (compared to a symbolic name).
+is_sha1()
+{
+ [ "$(git rev-parse "$1")" = "$1" ]
+}
+
# recurse_deps CMD NAME [BRANCHPATH...]
# Recursively eval CMD on all dependencies of NAME.
# CMD can refer to $_name for queried branch name,
[ -z "$(git diff-tree "refs/top-bases/$1" "$1" -- | fgrep -v " .top")" ]
}
+# list_deps
+list_deps()
+{
+ git for-each-ref refs/top-bases |
+ while read rev type ref; do
+ name="${ref#refs/top-bases/}"
+ if branch_annihilated "$name"; then
+ continue;
+ fi
+
+ git cat-file blob "$name:.topdeps" | while read dep; do
+ dep_is_tgish=true
+ ref_exists "refs/top-bases/$dep" ||
+ dep_is_tgish=false
+ if ! "$dep_is_tgish" || ! branch_annihilated $dep; then
+ echo "$name $dep"
+ fi
+ done
+ done
+}
+
# switch_to_base NAME [SEED]
switch_to_base()
{