name=
+topic=
+diff_opts=
+diff_committed_only=yes # will be unset for index/worktree
+
## Parse options
while [ -n "$1" ]; do
arg="$1"; shift
case "$arg" in
+ -i)
+ topic='(i)'
+ diff_opts="$diff_opts --cached";
+ diff_committed_only=;;
+ -w)
+ topic='(w)'
+ diff_committed_only=;;
-*)
- echo "Usage: tg [...] patch [NAME]" >&2
+ echo "Usage: tg [...] patch [-i | -w] [NAME]" >&2
exit 1;;
*)
[ -z "$name" ] || die "name already specified ($name)"
esac
done
+
+[ -n "$name" -a -z "$diff_committed_only" ] &&
+ die "-i/-w are mutually exclusive with NAME"
+
[ -n "$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"
-git cat-file blob "$name:.topmsg"
+# if not index/worktree, topic is current branch
+[ -z "$topic" ] && topic="$name"
+
+
+
+setup_pager
+
+cat_file "$topic:.topmsg"
echo
-[ -n "$(git grep '^[-]--' "$name" -- ".topmsg")" ] || echo '---'
+[ -n "$(git grep $diff_opts '^[-]--' ${diff_committed_only:+"$name"} -- ".topmsg")" ] || echo '---'
# Evil obnoxious hack to work around the lack of git diff --exclude
git_is_stupid="$(mktemp -t tg-patch-changes.XXXXXX)"
-git diff-tree --name-only "$base_rev" "$name" |
+git diff --name-only $diff_opts "$base_rev" ${diff_committed_only:+"$name"} -- |
fgrep -vx ".topdeps" |
fgrep -vx ".topmsg" >"$git_is_stupid" || : # fgrep likes to fail randomly?
if [ -s "$git_is_stupid" ]; then
- cat "$git_is_stupid" | xargs git diff --patch-with-stat "$base_rev" "$name" --
+ cat "$git_is_stupid" | xargs git diff --patch-with-stat $diff_opts "$base_rev" ${diff_committed_only:+"$name"} --
else
echo "No changes."
fi
rm "$git_is_stupid"
echo '-- '
-echo "tg: ($base_rev..) $name (depends on: $(git cat-file blob "$name:.topdeps" | paste -s -d' '))"
+echo "tg: ($base_rev..) $name (depends on: $(cat_file "$topic:.topdeps" | paste -s -d' '))"
branch_contains "$name" "$base_rev" ||
echo "tg: The patch is out-of-date wrt. the base! Run \`$tg update\`."
+
+# vim:noet