#!/bin/bash

SCRIPT_NAME=0ドル

zprint(){
 if test x`uname` = x"Darwin"; then
echo -e $@
 else
echo -e $@
 fi
}

vercomp(){
 # returns: 1ドル > 2ドル: return 0
 # 2ドル < 1ドル: return 1
 # 1ドル = 2ドル: return 2
 echo -e 'test' | grep -- '-e' > /dev/null
 not_suuport_e=$?
 if [[ $not_support_e = 0 ]]; then
echo "1ドル\n2ドル" | sort --version-sort | head -n1 | grep 2ドル > /dev/null
 first_larger=$?
 echo "1ドル\n2ドル" | sort --version-sort | head -n1 | grep 1ドル > /dev/null
 second_larger=$?
 else
echo -e "1ドル\n2ドル" | sort --version-sort | head -n1 | grep 2ドル > /dev/null
 first_larger=$?
 echo -e "1ドル\n2ドル" | sort --version-sort | head -n1 | grep 1ドル > /dev/null
 second_larger=$?
 fi
 if [[ $first_larger = 0 ]]; then
 if [[ $second_larger = 0 ]]; then
 return 2
 else
 return 0
 fi
 fi
 return 1
}

gitconfig(){
 bold=$(tput bold)
 normal=$(tput sgr0)
 if test x2ドル = x; then
zprint "0円33[33mplease specify sub-command: init|clear|search\n0円33[0m"

 zprint "search which branches have commits related to ZSTACK-43023: "
 zprint "0円33[34m./$SCRIPT_NAME.sh git search ZSTACK-43023 0円33[0m"
 zprint "\nwill fetch remote by default, you can add --no-update to avoid update, like: "
 zprint "0円33[34m./$SCRIPT_NAME.sh git search ZSTACK-43023 --no-update 0円33[0m"
 zprint "\ninit git config(commit msg template and hook): just type:"
 zprint "0円33[34m./$SCRIPT_NAME.sh git init 0円33[0m"
 zprint "\nclear git config(commit msg template and hook): just type:"
 zprint "0円33[34m./$SCRIPT_NAME.sh git clear 0円33[0m"
 exit 1

 elif test x2ドル = x'search'; then
update="y"
 if test x3ドル = x; then
zprint "0円33[33mplease input commit message you want to search\n0円33[0m"
 zprint "search which branches have commits related to ZSTACK-43023: "
 zprint "0円33[34m./runMavenProfile git search ZSTACK-43023 0円33[0m"
 zprint "\nwill fetch remote by default, you can add --no-update to avoid update, like: "
 zprint "0円33[34m./runMavenProfile git search ZSTACK-43023 --no-update 0円33[0m"
 exit 1
 fi

 if test x4ドル = x"--no-update"; then
update="n"
 fi

zprint "============================"
 if test x$update = x'y'; then
zprint "updating repo zstack-utility ..."
 timeout 20 git fetch --all > /dev/null 2>&1
 fi

zprint "searching in repo zstack-utility ..."
 zprint "============================"
 sha1s=`git log --oneline --all --grep "3ドル" | cut -d" " -f1 | tr '\n' ' '`
 if test x`echo $sha1s|tr -d ' '` = x''; then
zprint "0円33[33mcan not find any related commits in repo zstack-utility0円33[0m"
 else
zprint "\n0円33[32mfind commits 0円33[34m$sha1s0円33[0mrelated to 0円33[34m3ドル0円33[0m 0円33[0m"
 for sha1 in $sha1s; do
br=`git branch --remote --contains $sha1 | grep -Eo '/[1-5]\.[0-9]+\.[0-9]+.*' | grep -Eo '[1-5].[0-9]+.[0-9]+.*' | grep -v '/'`
 zprint "\n0円33[32mrelase branches with commit 0円33[34m$sha10円33[0m:0円33[0m \n${bold}$br${normal}"
 done
 fi

 elif test x2ドル = x'init'; then
init_git_config
 
 elif test x2ドル = x'clear'; then
clear_git_config

 else
zprint "0円33[31mnot support ${bold}\"2ドル\"${normal}0円33[31myet0円33[0m"
 fi
}

init_git_config() {
 git config --global commit.verbose true

message_path=$(git rev-parse --show-toplevel)/.gitconfig/gitmessage
 hook_dir=$(git rev-parse --show-toplevel)/.gitconfig/hooks

 if [ ! -f $message_path ]; then
zprint "0円33[33mERROR: can not find git message template at $message_path0円33[0m"
 fi

 if [ ! -d $hook_dir ]; then
zprint "0円33[33mERROR: can not find git hook at $hook_dir0円33[0m"
 fi

curr_git_ver=`git version | awk '{print 3ドル}'`
 vercomp $curr_git_ver 2.9
 support_config_hook=$?

 if [ $support_config_hook -eq 1 ]; then
zprint "0円33[33mgit version older than 2.9, would replace git hook in .git rather than config hook path0円33[0m"
 mv $(git rev-parse --show-toplevel)/.git/hooks/prepare-commit-msg $(git rev-parse --show-toplevel)/.git/hooks/prepare-commit-msg.bak.`date +%s` 2>/dev/null
 mv $(git rev-parse --show-toplevel)/.git/hooks/commit-msg $(git rev-parse --show-toplevel)/.git/hooks/commit-msg.bak.`date +%s` 2>/dev/null

 cp $(git rev-parse --show-toplevel)/.gitconfig/hooks/* $(git rev-parse --show-toplevel)/.git/hooks/
 else
zprint "0円33[33mgit version newer than 2.9, would config hook path0円33[0m"
 git config core.hooksPath $(git rev-parse --show-toplevel)/.gitconfig/hooks
 fi

git config commit.template $(git rev-parse --show-toplevel)/.gitconfig/gitmessage

 zprint "0円33[32mconfig git commit msg template and hook success!0円33[0m"
}

clear_git_config() {
 curr_git_ver=`git version | awk '{print 3ドル}'`
 vercomp $curr_git_ver 2.9
 support_config_hook=$?

 if [ $support_config_hook -eq 1 ]; then
rm $(git rev-parse --show-toplevel)/.git/hooks/prepare-commit-msg 2> /dev/null
 rm $(git rev-parse --show-toplevel)/.git/hooks/commit-msg 2> /dev/null
 else
git config --unset core.hooksPath
 fi
git config --unset commit.template

 zprint "0円33[32mclear git commit msg template and hook success!0円33[0m"
}

run_profile() {
 if test x1ドル = x'git'; then
gitconfig $@
 else
usage
 fi
}

usage() {
 zprint "0円33[33mplease specify sub-command, only support git for now0円33[0m\n"
 zprint "for example: "
 zprint "0円33[34m0ドル git0円33[0m"
}

if [ "$#" -eq 0 ]; then
zprint "0円33[33mno sub-command specified, init git config automatically...0円33[0m\n"
 run_profile git init
 exit
fi

if test x1ドル = x'help'; then
usage
fi

run_profile $@