andrep / git-svn-clone-externals
watch download tarball
public
Forks10Right
Watchers63Right
Description: Simple shell script to import svn:externals into a local git-svn repository
Homepage:
Clone URL: git://github.com/andrep/git-svn-clone-externals.git
git-svn-clone-externals / git-svn-clone-externals
100755 120 lines (97 sloc) 2.582 kb
raw blame history 
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

#!/bin/bash
 
set -e
 
toplevel_directory="$(git rev-parse --show-cdup)"
[ -n "$toplevel_directory" ] && { echo "please run from the toplevel directory"; exit 1; }
 
 
function call()
{
	cmd="$@"
	echo "$cmd"
	eval "$cmd"
	return "$?"
}
 
function do_clone()
{
	test -d .git_externals || return 1
	module=`echo $remote_url|sed 's,\(.*\)\(/trunk\|/branch.*\|/tag.*\),\1,'`
	branch=`echo $remote_url|sed 's,\(.*\)\(/trunk\|/branch.*\|/tag.*\),\2,'|sed 's,^/,,'`
	if [[ $branch = $remote_url ]]; then
		branch=""
	fi
 	(
		cd .git_externals
		if [ -d "$local_directory" ]; then
			(
				cd "$local_directory"
				call git svn fetch --all
			)
		else
			tags="tags"
			brch="branches"
			branchpath=$(echo $branch|cut -f1 -d/)
			echo $tags|grep $branchpath >/dev/null 2>&1 && tags=$branchpath
			echo $brch|grep $branchpath >/dev/null 2>&1 && brch=$branchpath
 
			if [ "$module" = "$remote_url" ]; then
				# URL does not contains any trunk, branches or tags part, so we dont need
				# additional options for git-svn
				call git svn clone "$revision" "$module" "$local_directory"
			else
				call git svn clone "$revision" "$module" -T trunk -b $brch -t $tags "$local_directory"
			fi
 
		fi
		(
			branch="$(echo ${branch}|sed 's,/$,,')"
			if [ -n "$branch" ]; then
				cd "$local_directory"
				call git reset --hard $branch
			fi
		)
	)
}
 
function do_link()
{
	dir="$1"
	base="$(dirname $dir)"
	(
		mkdir -p "$base"
		cd $base
		rel=$(git rev-parse --show-cdup)
		ln -sf ${rel}.git_externals/"$dir"
	)
}
 
function do_excludes()
{
	dir="$1"
	git_excludes_path=.git/info/exclude
	if ! grep -q '^.git_externals$' "$git_excludes_path"
	then
		echo .git_externals >> "$git_excludes_path"
	fi
 
	if ! grep -q '^'"$dir"'$' "$git_excludes_path"
	then
		echo "$dir" >> "$git_excludes_path"
	fi
}
 
 
git svn show-externals|grep -vE '#|^$'|while read -a words
do
	[ -z "${words[*]}" ] && continue
 
	local_directory="$(echo ${words[0]}|sed 's,^/,,')"
	revision=""
	remote_url="${words[1]}"
 
	if [ -n "${words[2]}" ]; then
		revision="${words[1]}"
		remote_url="${words[2]}"
	fi
 
    if [ -n "$USE_SSH" ]; then
        echo "Rewriting url to use SVN+SSH."
        shopt -s extglob
        remote_url="${remote_url/+(http|https)/svn+ssh}"
    fi
 
    [ -z "${remote_url}" ] && continue
 
	export local_directory revision remote_url
 
	echo "$local_directory -> $remote_url"
 
	dir=`dirname $local_directory`
	[ -d ".git_externals/$dir" ] || mkdir -p ".git_externals/$dir"
 
	do_clone "$revision" "$remote_url" "$local_directory" || exit
	do_link "$local_directory"
	do_excludes "$local_directory"
 
done