blob: c5828f6719d4c70a5a66df2330e761c2ff299aab (
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
|
#!/usr/bin/env bash
set -euo pipefail
app_name="git-stack"
die() {
echo "$app_name: $*" >&2
exit 1
}
in_repo() {
git rev-parse --git-dir >/dev/null 2>&1
}
require_repo() {
in_repo || die "not inside a Git repository"
}
git_path() {
git rev-parse --git-path "$1"
}
stack_file() {
local p
p="$(git_path "$app_name/messages")"
mkdir -p "$(dirname "$p")"
touch "$p"
printf '%s\n' "$p"
}
install_hook() {
local hooks_dir hook tmp
hooks_dir="$(git_path hooks)"
hook="$hooks_dir/pre-commit"
mkdir -p "$hooks_dir"
if [ -f "$hook" ] && ! grep -Fq "# managed-by: $app_name" "$hook"; then
return 0
fi
tmp="$(mktemp)"
cat >"$tmp" <<'EOF'
#!/usr/bin/env bash
# managed-by: git-stack
set -euo pipefail
stack_file="$(git rev-parse --git-path git-stack/messages)"
if [ -f "$stack_file" ] && [ -s "$stack_file" ]; then
echo "git-stack: commit blocked; message stack is not empty" >&2
echo "git-stack: pending messages:" >&2
nl -ba "$stack_file" >&2
echo "git-stack: clear with: git stack pop / git stack clear" >&2
exit 1
fi
EOF
chmod +x "$tmp"
mv "$tmp" "$hook"
}
ensure_ready() {
require_repo
install_hook
}
cmd_push() {
ensure_ready
[ "$#" -ge 1 ] || die 'usage: git stack push "message"'
local file msg
file="$(stack_file)"
msg="$*"
printf '%s\n' "$msg" >>"$file"
echo "$msg"
}
cmd_peek() {
ensure_ready
local file
file="$(stack_file)"
[ -s "$file" ] || die "stack is empty"
tail -n 1 "$file"
}
cmd_list() {
ensure_ready
local file
file="$(stack_file)"
[ -s "$file" ] || exit 0
nl -ba "$file"
}
cmd_pop() {
ensure_ready
local file last tmp
file="$(stack_file)"
[ -s "$file" ] || die "stack is empty"
last="$(tail -n 1 "$file")"
echo "$last"
tmp="$(mktemp)"
sed '$d' "$file" >"$tmp" || true
mv "$tmp" "$file"
}
cmd_clear() {
ensure_ready
: >"$(stack_file)"
}
cmd_install() {
ensure_ready
echo "hook installed in $(git_path hooks)/pre-commit"
}
usage() {
cat <<'EOF'
Usage:
git stack push "message"
git stack peek
git stack list
git stack pop
git stack clear
git stack install
EOF
}
main() {
[ "$#" -ge 1 ] || {
usage
exit 1
}
case "$1" in
push)
shift
cmd_push "$@"
;;
peek)
shift
cmd_peek "$@"
;;
list)
shift
cmd_list "$@"
;;
pop)
shift
cmd_pop "$@"
;;
clear)
shift
cmd_clear "$@"
;;
install)
shift
cmd_install "$@"
;;
*)
usage
exit 1
;;
esac
}
main "$@"
|
