blob: de13dd1812170ca76eb5706aefb7f59d22be6d48 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
#!/bin/sh
# Copyright (c) 2007, Nanako Shiraishi
USAGE='[ | list | show | apply | clear]'
SUBDIRECTORY_OK=Yes
. git-sh-setup
require_work_tree
TMP="$GIT_DIR/.git-stash.$$"
trap 'rm -f "$TMP-*"' 0
ref_stash=refs/stash
no_changes () {
git diff-index --quiet --cached HEAD &&
git diff-files --quiet
}
clear_stash () {
logfile="$GIT_DIR/logs/$ref_stash" &&
mkdir -p "$(dirname "$logfile")" &&
: >"$logfile"
}
save_stash () {
stash_msg="$1"
if no_changes
then
echo >&2 'No local changes to save'
exit 0
fi
test -f "$GIT_DIR/logs/$ref_stash" ||
clear_stash || die "Cannot initialize stash"
# state of the base commit
if b_commit=$(git rev-parse --verify HEAD)
then
head=$(git log --abbrev-commit --pretty=oneline -n 1 HEAD)
else
die "You do not have the initial commit yet"
fi
if branch=$(git symbolic-ref -q HEAD)
then
branch=${branch#refs/heads/}
else
branch='(no branch)'
fi
msg=$(printf '%s: %s' "$branch" "$head")
# state of the index
i_tree=$(git write-tree) &&
i_commit=$(printf 'index on %s' "$msg" |
git commit-tree $i_tree -p $b_commit) ||
die "Cannot save the current index state"
# state of the working tree
w_tree=$( (
rm -f "$TMP-index" &&
cp -p ${GIT_INDEX_FILE-"$GIT_DIR/index"} "$TMP-index" &&
GIT_INDEX_FILE="$TMP-index" &&
export GIT_INDEX_FILE &&
git read-tree -m $i_tree &&
git add -u &&
git write-tree &&
rm -f "$TMP-index"
) ) ||
die "Cannot save the current worktree state"
# create the stash
if test -z "$stash_msg"
then
stash_msg=$(printf 'WIP on %s' "$msg")
else
stash_msg=$(printf 'On %s: %s' "$branch" "$stash_msg")
fi
w_commit=$(printf '%s\n' "$stash_msg" |
git commit-tree $w_tree -p $b_commit -p $i_commit) ||
die "Cannot record working tree state"
git update-ref -m "$stash_msg" $ref_stash $w_commit ||
die "Cannot save the current status"
printf >&2 'Saved "%s"\n' "$stash_msg"
}
have_stash () {
git rev-parse --verify $ref_stash >/dev/null 2>&1
}
list_stash () {
have_stash || return 0
git log --pretty=oneline -g "$@" $ref_stash |
sed -n -e 's/^[.0-9a-f]* refs\///p'
}
show_stash () {
flags=$(git rev-parse --no-revs --flags "$@")
if test -z "$flags"
then
flags=--stat
fi
s=$(git rev-parse --revs-only --no-flags --default $ref_stash "$@")
w_commit=$(git rev-parse --verify "$s") &&
b_commit=$(git rev-parse --verify "$s^") &&
git diff $flags $b_commit $w_commit
}
apply_stash () {
git diff-files --quiet ||
die 'Cannot restore on top of a dirty state'
unstash_index=
case "$1" in
--index)
unstash_index=t
shift
esac
# current index state
c_tree=$(git write-tree) ||
die 'Cannot apply a stash in the middle of a merge'
s=$(git rev-parse --revs-only --no-flags --default $ref_stash "$@") &&
w_tree=$(git rev-parse --verify "$s:") &&
b_tree=$(git rev-parse --verify "$s^:") ||
die "$*: no valid stashed state found"
test -z "$unstash_index" || {
git diff --binary $s^2^..$s^2 | git apply --cached
test $? -ne 0 &&
die 'Conflicts in index. Try without --index.'
unstashed_index_tree=$(git-write-tree) ||
die 'Could not save index tree'
git reset
}
eval "
GITHEAD_$w_tree='Stashed changes' &&
GITHEAD_$c_tree='Updated upstream' &&
GITHEAD_$b_tree='Version stash was based on' &&
export GITHEAD_$w_tree GITHEAD_$c_tree GITHEAD_$b_tree
"
if git-merge-recursive $b_tree -- $c_tree $w_tree
then
# No conflict
a="$TMP-added" &&
git diff --cached --name-only --diff-filter=A $c_tree >"$a" &&
git read-tree --reset $c_tree &&
git update-index --add --stdin <"$a" ||
die "Cannot unstage modified files"
git-status
rm -f "$a"
test -z "$unstash_index" || git read-tree $unstashed_index_tree
else
# Merge conflict; keep the exit status from merge-recursive
status=$?
test -z "$unstash_index" || echo 'Index was not unstashed.' >&2
exit $status
fi
}
# Main command set
case "$1" in
list)
shift
if test $# = 0
then
set x -n 10
shift
fi
list_stash "$@"
;;
show)
shift
show_stash "$@"
;;
apply)
shift
apply_stash "$@"
;;
clear)
clear_stash
;;
help | usage)
usage
;;
*)
if test $# -gt 0 && test "$1" = save
then
shift
fi
save_stash "$*" && git-reset --hard
;;
esac
|
