doc-diff: add --clean mode to remove temporary working gunk

As part of its operation, doc-diff creates a bunch of temporary working files and holds onto them in order to speed up subsequent invocations. These files are never deleted. Moreover, it creates a temporary working tree (via git-wortkree) which likewise never gets removed. Without knowing the implementation details of the tool, a user may not know how to clean up manually afterward. Worse, the user may find it surprising and alarming to discover a working tree which s/he did not create explicitly. To address these issues, add a --clean mode which removes the temporary working tree and deletes all generated files. Signed-off-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Eric Sunshine committed Aug 31, 2018 at 02:33 UTC ad51743007d408ba6f1f670126d57722bb397ce6
1 file changed +16 -3
Documentation/doc-diff
+16 -3
@@ -10,20 +10,25 @@
10
11 OPTIONS_SPEC="\
12 doc-diff [options] <from> <to> [-- <diff-options>]
13 +doc-diff (-c|--clean)
14 --
15 j=n parallel argument to pass to make
16 f force rebuild; do not rely on cached results
17 +c,clean cleanup temporary working files
18 "
19 SUBDIRECTORY_OK=1
20 . "$(git --exec-path)/git-sh-setup"
21
22 parallel=
23 force=
24 +clean=
25 while test $# -gt 0
26 do
27 case "$1" in
28 -j)
29 parallel=$2; shift ;;
30 + -c|--clean)
31 + clean=t ;;
32 -f)
33 force=t ;;
34 --)
@@ -34,6 +39,17 @@ do
39 shift
40 done
41
42 +cd_to_toplevel
43 +tmp=Documentation/tmp-doc-diff
44 +
45 +if test -n "$clean"
46 +then
47 + test $# -eq 0 || usage
48 + git worktree remove --force "$tmp/worktree" 2>/dev/null
49 + rm -rf "$tmp"
50 + exit 0
51 +fi
52 +
53 if test -z "$parallel"
54 then
55 parallel=$(getconf _NPROCESSORS_ONLN 2>/dev/null)
@@ -50,9 +66,6 @@ to=$1; shift
66 from_oid=$(git rev-parse --verify "$from") || exit 1
67 to_oid=$(git rev-parse --verify "$to") || exit 1
68
53 -cd_to_toplevel
54 -tmp=Documentation/tmp-doc-diff
55 -
69 if test -n "$force"
70 then
71 rm -rf "$tmp"