[TopGit PATCH 07/10] tg-files: list files changed by the topic branch

[Bert Wesarg <bert.wesarg@googlemail.com>]

this could also be a --name-only option to tg-patch. But I Like the
similarity to 'quilt files'.

Signed-off-by: Bert Wesarg <bert.wesarg@googlemail.com>
---
 .gitignore                 |    2 ++
 README                     |    8 ++++++++
 contrib/tg-completion.bash |    1 +
 tg-files.sh                |   43 +++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 54 insertions(+), 0 deletions(-)
 create mode 100644 tg-files.sh

diff --git a/.gitignore b/.gitignore
index 3298889..2a4d165 100644 .gitignore
--- a/.gitignore
+++ b/.gitignore
@@ -22,6 +22,8 @@
 /tg-depend.txt
 /tg-export
 /tg-export.txt
+/tg-files
+/tg-files.txt
 /tg-import
 /tg-import.txt
 /tg-info
diff --git a/README b/README
index c96dc5a..552a2f1 100644 README
--- a/README
+++ b/README
@@ -532,6 +532,14 @@ tg log
 ~~~~~~
 	Prints the git log of the named topgit branch.
 
+tg files
+~~~~~~~~
+	List files changed by the current or specified topic branch.
+
+	Options:
+	  -i		list files based on index instead of branch
+	  -w		list files based on working tree instead of branch
+
 TODO: tg rename
 
 
diff --git a/contrib/tg-completion.bash b/contrib/tg-completion.bash
index 6a1e182..eff85ee 100755 contrib/tg-completion.bash
--- a/contrib/tg-completion.bash
+++ b/contrib/tg-completion.bash
@@ -486,6 +486,7 @@ _tg ()
 	delete)      _tg_delete ;;
 	depend)      _tg_depend ;;
 	export)      _tg_export ;;
+	files)       _tg_patch ;;
 	help)        _tg_help ;;
 	import)      _tg_import ;;
 	info)        _tg_info ;;
diff --git a/tg-files.sh b/tg-files.sh
new file mode 100644
index 0000000..ab97624 tg-files.sh
--- /dev/null
+++ b/tg-files.sh
@@ -0,0 +1,43 @@
+#!/bin/sh
+# TopGit - A different patch queue manager
+# (c) Petr Baudis <pasky@suse.cz>  2008
+# GPLv2
+
+name=
+head_from=
+
+
+## Parse options
+
+while [ -n "$1" ]; do
+	arg="$1"; shift
+	case "$arg" in
+	-i|-w)
+		[ -z "$head_from" ] || die "-i and -w are mutually exclusive"
+		head_from="$arg";;
+	-*)
+		echo "Usage: tg [...] files [-i | -w] [NAME]" >&2
+		exit 1;;
+	*)
+		[ -z "$name" ] || die "name already specified ($name)"
+		name="$arg";;
+	esac
+done
+
+
+head="$(git symbolic-ref HEAD)"
+head="${head#refs/heads/}"
+
+[ -n "$name" ] ||
+	name="$head"
+base_rev="$(git rev-parse --short --verify "refs/top-bases/$name" 2>/dev/null)" ||
+	die "not a TopGit-controlled branch"
+
+if [ -n "$head_from" ] && [ "$name" != "$head" ]; then
+	die "$head_from makes only sense for the current branch"
+fi
+
+b_tree=$(pretty_tree "$name" -b)
+t_tree=$(pretty_tree "$name" $head_from)
+
+git diff-tree --name-only -r $b_tree $t_tree
-- 
1.7.1.1067.g5aeb7