147 lines
3.3 KiB
Bash
Executable File
147 lines
3.3 KiB
Bash
Executable File
#!/bin/sh
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CS_URL="$1" # url
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CS_BRA="$2" # branch name
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CS_TIP="$3" # tip commit
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CS_REV="$4" # revert
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CS_ARCHIVE="$5" # download archived tip
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CS_DEPTH_CLONE=512
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git_assert() {
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git --help > /dev/null 2>&1
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if [ $? != 0 ]; then
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echo "ERROR: Cannot find git command in PATH"
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if [ "$1" = check ]; then
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return 1
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fi
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exit 1
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fi
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return 0
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}
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fatal_msg() {
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echo "[capstone] $1"
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exit 1
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}
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patch_capstone() {
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echo "[capstone] Applying patches..."
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if [ "$CS_BRA" = next ]; then
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CV=v5
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else
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CV=v4
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fi
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for patchfile in ../capstone-patches/$CV/*.patch ; do
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echo "Patch $patchFile"
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patch -p 1 < "${patchfile}"
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done
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}
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parse_capstone_tip() {
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if [ -n "${CS_REV}" ]; then
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HEAD="$(git rev-parse --verify HEAD^)"
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else
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HEAD="$(git rev-parse --verify HEAD)"
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fi
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BRANCH="$(git rev-parse --abbrev-ref HEAD)"
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}
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download_archive() {
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echo '[capstone] Downloading capstone snapshot...' >&2
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wget --help > /dev/null 2>&1
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if [ $? = 0 ]; then
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DLBIN="wget -O"
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else
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DLBIN="curl -o"
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fi
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${DLBIN} .cs_tmp.zip "$CS_ARCHIVE" || fatal_msg 'Cannot download archived capstone'
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unzip .cs_tmp.zip || exit 1
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mv "capstone-$CS_TIP" capstone
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}
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git_clone() {
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git_assert
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echo '[capstone] Cloning capstone from git...' >&2
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git clone --quiet --single-branch --branch "${CS_BRA}" \
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--depth "$CS_DEPTH_CLONE" "${CS_URL}" capstone \
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|| fatal_msg 'Cannot clone capstone from git'
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}
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get_capstone() {
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if [ -d capstone ]; then
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return
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fi
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if [ -f capstone ]; then
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rm -f capstone
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fi
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git_clone || fatal_msg 'Clone failed'
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cd capstone || fatal_msg 'Failed to chdir'
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parse_capstone_tip
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cd ..
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}
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update_capstone_git() {
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cd capstone || fatal_msg 'Failed to chdir'
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git checkout "${CS_BRA}" || fatal_msg "Cannot checkout to branch $CS_BRA"
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# if [ -n "${CS_TIP}" ]; then
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# # if our shallow clone not contains CS_TIP, clone until it
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# # contain that commit.
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# cur_depth="$CS_DEPTH_CLONE"
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# until git cat-file -e "${CS_TIP}^${commit}"; do
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# cur_depth=$(( cur_depth + 10 ))
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# git pull --depth="$cur_depth"
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# done
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# git reset --hard "${CS_TIP}"
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# fi
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if ! git show --oneline "${CS_TIP}" &>/dev/null ; then
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git fetch
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fi
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git reset --hard "${CS_TIP}"
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if [ -n "${CS_REV}" ]; then
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if ! git config user.name ; then
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git config user.name "radare"
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git config user.email "radare@radare.org"
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fi
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export EDITOR=cat git revert --no-edit "${CS_REV}"
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fi
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cd ..
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}
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### MAIN ###
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pkg-config --cflags capstone > /dev/null 2>&1
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if [ $? = 0 ]; then
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echo "Warning: You have system-wide capstone installation, but im gonna clone a new copy of it"
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echo "Warning: Use ./configure --with-syscapstone # in case you prefer to use system one"
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# exit 0
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fi
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if [ -n "${CS_ARCHIVE}" ]; then
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echo "CS_ARCHIVE=${CS_ARCHIVE}"
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else
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echo
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echo "Run 'make CS_COMMIT_ARCHIVE=1' to download capstone with wget/curl instead of git"
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echo
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fi
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if [ -z "${CS_ARCHIVE}" ]; then
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git_assert check
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if [ $? != 0 ]; then
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export CS_ARCHIVE="https://github.com/aquynh/capstone/archive/$3.zip"
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fi
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fi
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if [ -d capstone -a ! -d capstone/.git ] || [ "$(git --git-dir capstone/.git rev-parse --verify HEAD > /dev/null 2>&1)" = "${CS_TIP}" ]; then
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echo "[capstone] Nothing to do"
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exit 0
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fi
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if [ -n "${CS_ARCHIVE}" ]; then
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download_archive
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else
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git_assert
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get_capstone
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[ -d capstone/.git ] && update_capstone_git
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fi
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cd capstone || fatal_msg 'Cannot change working directory'
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patch_capstone
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cd -
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