diff options
Diffstat (limited to 'eclass/scm-git.eclass')
| -rw-r--r-- | eclass/scm-git.eclass | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/eclass/scm-git.eclass b/eclass/scm-git.eclass new file mode 100644 index 0000000..c027085 --- /dev/null +++ b/eclass/scm-git.eclass @@ -0,0 +1,186 @@ +# 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) -- +} + |