diff: restrict when prefetching occurs
[git] / Documentation / install-doc-quick.sh
1 #!/bin/sh
2 # This requires git-manpages and/or git-htmldocs repositories
3
4 repository=${1?repository}
5 destdir=${2?destination}
6 GIT_MAN_REF=${3?master}
7
8 GIT_DIR=
9 for d in "$repository/.git" "$repository"
10 do
11         if GIT_DIR="$d" git rev-parse "$GIT_MAN_REF" >/dev/null 2>&1
12         then
13                 GIT_DIR="$d"
14                 export GIT_DIR
15                 break
16         fi
17 done
18
19 if test -z "$GIT_DIR"
20 then
21         echo >&2 "Neither $repository nor $repository/.git is a repository"
22         exit 1
23 fi
24
25 GIT_WORK_TREE=$(pwd)
26 GIT_INDEX_FILE=$(pwd)/.quick-doc.$$
27 export GIT_INDEX_FILE GIT_WORK_TREE
28 rm -f "$GIT_INDEX_FILE"
29 trap 'rm -f "$GIT_INDEX_FILE"' 0
30
31 git read-tree "$GIT_MAN_REF"
32 git checkout-index -a -f --prefix="$destdir"/
33
34 if test -n "$GZ"
35 then
36         git ls-tree -r --name-only "$GIT_MAN_REF" |
37         xargs printf "$destdir/%s\n" |
38         xargs gzip -f
39 fi
40 rm -f "$GIT_INDEX_FILE"