1 #!/bin/sh
2 
3 die() {
4 	ec=$1
5 	shift
6 	echo "$@" >&2
7 	exit "$ec"
8 }
9 
10 usage() {
11 	die 1 "Usage: got-archive [-afsV] [-o outdir] [-t tmpdir] repo [ref...]"
12 }
13 
14 args=$(getopt afo:st:V $*)
15 [ $? -ne 0 ] && usage
16 
17 set -- $args
18 
19 strip=0
20 force=0
21 outdir=.
22 tmpdir="/tmp/got-archive"
23 
24 while [ $# -ne 0 ]; do
25 	case "$1" in
26 	-a)
27 		all=1
28 		shift
29 		;;
30 	-f)
31 		force=1
32 		shift
33 		;;
34 	-o)
35 		outdir=$2
36 		shift
37 		shift
38 		;;
39 	-s)
40 		strip=1
41 		shift
42 		;;
43 	-t)
44 		tmpdir=$2
45 		shift
46 		shift
47 		;;
48 	-V)
49 		echo "got-archive-@VERSION@"
50 		exit 1
51 		;;
52 	--)
53 		shift
54 		break
55 		;;
56 	esac
57 done
58 
59 [ $# -lt 1 ] && usage
60 
61 repo=$1
62 name=$(basename "$repo" .git)
63 mkdir -p "$tmpdir"
64 shift
65 [ -d "$repo" ] || die 2 "Error: invalid repo: $repo"
66 
67 # $1 - ref
68 # $2 - name
69 gen() {
70 	cdir="$tmpdir/$2"
71 	tarfile="$outdir/$2.tgz"
72 
73 	[ -e "$tarfile" ] && [ "$force" = 0 ] && return
74 
75 	rm -rf "$cdir"
76 	got checkout -q -c "$1" "$repo" "$cdir" || die 3 "Error: $2: failed to checkout: $2"
77 	rm -rf "$cdir/.got"
78 	tar -czf "$tarfile" -C "$tmpdir" "$2" || die 4 "Error: $2: failed to create tarball: $tarfile"
79 	rm -rf "$cdir"
80 }
81 
82 if [ "$all" = 1 ]; then
83 	[ $# -ne 0 ] && die 1 "Error: Can't combine -a and explicit refs" 
84 
85 	tags=$(find "$repo/refs/tags" -type f -exec basename {} \; 2>/dev/null)
86 	[ $? -ne 0 ] && exit 0
87 	set -- $tags
88 fi
89 
90 mkdir -p "$outdir"
91 
92 if [ $# -gt 0 ]; then
93 	while [ $# -ne 0 ]; do
94 		if [ "$strip" = 1 ]; then
95 			ref=$(echo "$1" | sed 's/^v//g')
96 		else
97 			ref=$1
98 		fi
99 		gen "$1" "$name-$ref"
100 		shift
101 	done
102 else
103 	gen "HEAD" "$name"
104 fi
105