由于网络原因,直接使用cabal update不成功,只能自己写脚本直接从网上拖包下来,自己安装。
但是这样做的缺点是需要手动处理dependency,当然,也可以把脚本写的复杂些,自动来处理dependency。
cabal.sh
1 cat<<EOF > .tmp_sed_script
2 s/<\/[^>]*>/&\n/g
3 s/></>\n</g
4 s/a href="\([^"]*\)"/\n[URL: \1 ]\n/g
5 EOF
6
7 home_url="https://hackage.haskell.org"
8
9 item_url=$home_url/"package/"$1
10
11 target_dir=""
12
13 curl $item_url 1> .tmp_page_content 2> /dev/null
14
15 for link in $(sed -f .tmp_sed_script .tmp_page_content | grep URL | awk ‘{print $2}‘)
16 do
17 if [[ $link == /*.tar.gz ]]
18 then
19 full_link=$home_url$link
20 echo "wget " $full_link " --no-check-certificate ......"
21 wget $full_link --no-check-certificate
22 archive_file=$(basename $full_link)
23 if [ -f $archive_file ]
24 then
25 tar -xvzf $archive_file 2>&1 > /dev/null
26 fi
27 target_dir=$(tar tzf $archive_file | awk ‘NR==1{print}‘)
28 fi
29 done
30
31 rm .tmp_*
32 rm *.tar.gz*
33
34 cd $target_dir
35 sudo cabal configure
36 sudo cabal install
37 cd ..
不过好像必须要处理dependency了,这样才能真正自动化。
ghc-pkg list | sed -e ‘/[\/(]/d‘ | awk ‘BEGIN{FS="-"}{print $1}‘ | sed -e ‘/Cabal/d‘ | awk ‘NF!=0{print}‘ | sed ‘s/ //g‘ > .installed_pkgs
if [ ! -f .tmp_sed_script ]
then
cat<<EOF > .tmp_sed_script
s/<\/[^>]*>/&\n/g
s/></>\n</g
s/a href="\([^"]*\)"/\n[URL: \1 ]\n/g
EOF
fi
if [ ! -f .tmp_installed_pkgs ]
then
ghc-pkg list | sed -e ‘/[\/(]/d‘ | awk ‘BEGIN{FS="-"}{print $1}‘ | sed -e ‘/Cabal/d‘ | awk ‘NF!=0{print}‘ | sed ‘s/ //g‘ > .tmp_installed_pkgs
fi
home_url="https://hackage.haskell.org"
item_url=$home_url/"package/"$1
target_dir=""
if [ ! -f $.tmp_page_content_"$1" ]
then
curl $item_url 1> .tmp_page_content_"$1" 2> /dev/null
fi
sed -f .tmp_sed_script .tmp_page_content_"$1" | grep "URL: /package/" | sed -e "/$1/d" > .tmp_dependency_"$1"
# we should make sure that all the package in .tmp_dependency_XXX file should be installed first than this package
#
#
for dependency in $(cat .tmp_dependency_"$1")
do
if [[ $dependency == /package/* ]]
then
#echo $dependency
dep=$(echo $dependency | cut -b 10-)
b_installed=false
for installed in $(cat .tmp_installed_pkgs)
do
if [[ $installed == $dep ]]
then
b_installed=true
fi
done
#echo $b_installed " for " $dep
if [[ $b_installed == "false" ]]
then
echo "$1 depends on $dep"
echo "$dep" >> .tmp_installed_pkgs
bash cabal_ex.sh $dep
fi
fi
done
但是这种以脚本为单位的recursion效率又有点问题,所以最好将其写成一个函数。
原文地址:http://www.cnblogs.com/long123king/p/3848894.html