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# Copyright 2008 David Leverton <dleverton@exherbo.org>
# Distributed under the terms of the GNU General Public License v2
# Based in part upon git.exlib, which is:
# Copyright 2008 Fernando J. Pereda
# Based upon 'git.eclass' which is:
# Copyright 1999-2007 Gentoo Foundation
if [[ -z ${SCM_TYPE} ]]; then
SCM_TYPE=git
inherit scm
fi
scm-git_do_dependencies() {
local git='>=dev-vcs/git-1.6.0'
if [[ $(scm_get_var REPOSITORY) == https://* ]]; then
echo "${git}$(scm_usedeps curl) net-misc/curl$(scm_usedeps ssl)"
elif [[ $(scm_get_var REPOSITORY) == http://* || $(scm_get_var REPOSITORY) == ftp://* ]]; then
echo "${git}$(scm_usedeps curl)"
elif [[ $(scm_get_var REPOSITORY) == rsync://* ]]; then
echo "${git} net-misc/rsync"
elif [[ $(scm_get_var REPOSITORY) == ssh://* ]] ||
[[ $(scm_get_var REPOSITORY) != *://* && $(scm_get_var REPOSITORY) == *:* ]]; then
echo "${git} net-misc/openssh"
else
echo "${git}"
fi
if [[ -n $(scm_get_var TAG) ]]; then
local keys
scm_get_array GIT_TAG_SIGNING_KEYS keys
[[ ${#keys[@]} -gt 0 ]] && echo app-crypt/gnupg
fi
}
scm-git_do_check_vars() {
[[ -n $(scm_get_var TAG) && -n $(scm_get_var REVISION) ]] \
&& die "for git, $(scm_var_name TAG) must not be set at the same time as $(scm_var_name REVISION)"
[[ -z $(scm_get_var BRANCH) && -z $(scm_get_var REVISION) &&
-z $(scm_get_var TAG) ]] && scm_set_var BRANCH master
local rev=$(scm_get_var REVISION)
[[ -n ${rev} ]] && [[ ${rev} == *[^0123456789abcdef]* || ${#rev} -ne 40 ]] \
&& die "for git, $(scm_var_name REVISION) must be a 40-character lowercase hexadecimal SHA-1 sum"
[[ -n $(scm_get_var SUBPATH) ]] && die "for git, $(scm_var_name SUBPATH) must not be set"
scm_modify_var REPOSITORY scm_trim_slashes -scheme -trailing
}
scm-git_git() {
local echo=echo
if [[ ${1} == -q ]]; then
shift
echo=:
fi
local need_git_dir=yes global=( )
while [[ ${#} -gt 0 && ${1} == -* ]]; do
global+=( "${1}" )
[[ ${1} == --git-dir=* ]] && need_git_dir=
shift
done
[[ ${1} != clone && -n ${need_git_dir} ]] && global+=( --git-dir="$(scm_get_var CHECKOUT_TO)" )
${echo} git "${global[@]}" "${@}"
GIT_PAGER=cat git "${global[@]}" "${@}" || scm_die_unless_nonfatal "git ${1} failed"
}
scm-git_do_appraise() {
local dir=$(scm_get_var CHECKOUT_TO)
if ! scm_nonfatal scm-git_git -q rev-parse 2>/dev/null; then
echo "${dir} is not a git checkout"
return 3
fi
if [[ -n $(scm_get_var REVISION) ]]; then
if [[ -z $(scm_nonfatal scm-git_git -q cat-file -t $(scm_get_var REVISION) 2>/dev/null) ]]; then
echo "$(scm_get_var REVISION) is not present in ${dir}"
return 1
elif [[ $(scm-git_git -q cat-file -t $(scm_get_var REVISION)) == commit ]]; then
if [[ -n $(scm_get_var BRANCH) ]] && ! scm-git_git -q rev-list "refs/heads/$(scm_get_var BRANCH)" \
| grep -Fx $(scm_get_var REVISION) >/dev/null; then
echo "revision $(scm_get_var REVISION) is not part of branch $(scm_get_var BRANCH) of ${dir}"
return 1
fi
return 2
else
die "$(scm_get_var REVISION) is not a commit in ${dir}"
fi
fi
local origin=$(scm-git_git -q config remote.origin.url)
[[ -n ${origin} ]] || die "could not determine origin URL for ${dir}"
if [[ ${origin} != $(scm_get_var REPOSITORY) ]]; then
echo "${dir} is a clone of ${origin}, but wanted $(scm_get_var REPOSITORY)"
return 1
fi
if [[ -n $(scm_get_var TAG) ]]; then
if [[ -n $(scm-git_git -q for-each-ref "refs/tags/$(scm_get_var TAG)") ]]; then
if [[ -n $(scm_get_var BRANCH) ]] && ! scm-git_git -q rev-list "refs/heads/$(scm_get_var BRANCH)" \
| grep -Fx $(scm-git_git -q rev-parse "refs/tags/$(scm_get_var TAG)") >/dev/null; then
echo "tag $(scm_get_var TAG) is not part of branch $(scm_get_var BRANCH) of ${dir}"
return 1
fi
local keys
scm_get_array GIT_TAG_SIGNING_KEYS keys
if [[ ${#keys[@]} -gt 0 ]]; then
local gpghome=$(mktemp -d -p "${T}" gpg-XXXXXX)
[[ -n ${gpghome} ]] || die "mktemp failed"
cat >"${gpghome}/gpg" <<-EOF
#! /usr/bin/env bash
$(HOME=${gpghome} declare -p HOME)
$(gpg=$(type -P gpg); declare -p gpg)
errors=\$("\${gpg}" --keyserver-options no-auto-key-retrieve "\${@}" 2>&1 >/dev/null) && exit
status=\${?}
echo "\${errors}" >&2
exit \${status}
EOF
[[ ${?} -eq 0 ]] || die "create gpg wrapper failed"
chmod +x "${gpghome}/gpg" || die "chmod +x gpg wrapper failed"
PATH=${gpghome}:${PATH} gpg --import "${keys[@]}" || die "gpg --import ${keys[*]} failed"
PATH=${gpghome}:${PATH} scm-git_git -q verify-tag "$(scm_get_var TAG)" >/dev/null
fi
return 2
else
echo "${dir} does not contain the tag $(scm_get_var TAG)"
return 1
fi
fi
if [[ -n $(scm_get_var BRANCH) && -z $(scm-git_git -q for-each-ref "refs/heads/$(scm_get_var BRANCH)") ]]; then
echo "${dir} does not contain the branch $(scm_get_var BRANCH)"
return 1
fi
return 0
}
scm-git_do_checkout() {
scm-git_git clone --bare "$(scm_get_var REPOSITORY)" "$(scm_get_var CHECKOUT_TO)"
scm-git_git config remote.origin.url "$(scm_get_var REPOSITORY)"
scm-git_git gc --auto
}
scm-git_do_update() {
local old_origin=$(scm-git_git -q config remote.origin.url)
[[ -n ${old_origin} ]] || die "could not determine origin URL for $(scm_get_var CHECKOUT_TO)"
if [[ ${old_origin} != $(scm_get_var REPOSITORY) ]]; then
scm-git_git config remote.origin.url "$(scm_get_var REPOSITORY)"
eval "$(scm-git_git -q for-each-ref --shell --format "scm-git_git update-ref -d %(refname)" refs/{heads,tags}/\*)"
fi
local branch=$(scm_get_var BRANCH)
scm-git_git fetch -f -u origin "refs/heads/${branch:-*}:refs/heads/${branch:-*}"
scm-git_git gc --auto
[[ -n ${branch} ]] && scm_set_array FETCHED_BRANCHES "${branch}"
}
scm-git_do_revision() {
scm-git_git -q rev-parse $(
if [[ -n $(scm_get_var TAG) ]]; then
echo refs/tags/$(scm_get_var TAG)
elif [[ -n $(scm_get_var REVISION) ]]; then
scm_get_var REVISION
else
echo refs/heads/$(scm_get_var BRANCH)
fi)
}
scm-git_do_unpack() {
scm-git_git clone -s -n "$(scm_get_var CHECKOUT_TO)" "$(scm_get_var UNPACK_TO)"
scm-git_git --git-dir="$(scm_get_var UNPACK_TO)"/.git --work-tree="$(scm_get_var UNPACK_TO)" checkout -f $(
if [[ -n $(scm_get_var TAG) ]]; then
echo refs/tags/$(scm_get_var TAG)
elif [[ -n $(scm_get_var REVISION) ]]; then
scm_get_var REVISION
else
[[ -n $(scm-git_git -q --git-dir="$(scm_get_var UNPACK_TO)"/.git for-each-ref "refs/heads/$(scm_get_var BRANCH)") ]] \
|| echo -b $(scm_get_var BRANCH) refs/remotes/origin/$(scm_get_var BRANCH)
fi) --
}
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