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eclass/vcs-snapshot: Sync with Gentoo upstream

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Signed-off-by: Sayan Chowdhury <sayan.chowdhury2012@gmail.com>
This commit is contained in:
Sayan Chowdhury 2021-02-26 13:22:48 +00:00
parent 194ad24a04
commit aa52076a52
1 changed files with 49 additions and 20 deletions
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69
sdk_container/src/third_party/portage-stable/eclass/vcs-snapshot.eclass vendored
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@ -1,46 +1,49 @@
# Copyright 1999-2016 Gentoo Foundation # Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2 # Distributed under the terms of the GNU General Public License v2
# @ECLASS: vcs-snapshot.eclass # @ECLASS: vcs-snapshot.eclass
# @MAINTAINER: # @MAINTAINER:
# mgorny@gentoo.org # mgorny@gentoo.org
# @SUPPORTED_EAPIS: 0 1 2 3 4 5 6 # @SUPPORTED_EAPIS: 0 1 2 3 4 5 6 7
# @BLURB: support eclass for unpacking VCS snapshot tarballs # @BLURB: support eclass for unpacking VCS snapshot tarballs
# @DESCRIPTION: # @DESCRIPTION:
# THIS ECLASS IS NOT NECESSARY FOR MODERN GITHUB AND GITLAB SNAPSHOTS.
# THEIR DIRECTORY STRUCTURE IS ENTIRELY PREDICTABLE, SO UPDATE YOUR
# EBUILD TO USE /ARCHIVE/ URI AND SET S IF NECESSARY.
#
# This eclass provides a convenience src_unpack() which does unpack all # This eclass provides a convenience src_unpack() which does unpack all
# the tarballs in SRC_URI to locations matching their (local) names, # the tarballs in SRC_URI to locations matching their (local) names,
# discarding the original parent directory. # discarding the original parent directory.
# #
# The typical use case are VCS snapshots, coming from bitbucket # The typical use case are VCS tag snapshots coming from BitBucket
# and similar services. They have hash appended to the directory name # (but not GitHub or GitLab). They have hash appended to the directory
# which makes extracting them a painful experience. But if you just use # name which makes extracting them a painful experience. But if you are
# a SRC_URI arrow to rename it (which you're likely have to do anyway), # using a SRC_URI arrow to rename them (which quite likely you have to
# vcs-snapshot will just extract it into a matching directory. # do anyway), vcs-snapshot will just extract them into matching
# directories.
# #
# Please note that this eclass handles only tarballs (.tar, .tar.gz, # Please note that this eclass handles only tarballs (.tar, .tar.gz,
# .tar.bz2 & .tar.xz). For any other file format (or suffix) it will # .tar.bz2 & .tar.xz). For any other file format (or suffix) it will
# fall back to regular unpack. Support for additional formats may be # fall back to regular unpack. Support for additional formats may be
# added at some point so please keep your SRC_URIs clean. # added in the future if necessary.
#
# Note: this eclass is no longer needed with the new-style 'archive'
# GitHub URLs. They have sane directory names and stable contents,
# so you should really prefer them.
# #
# @EXAMPLE: # @EXAMPLE:
# #
# @CODE # @CODE
# EAPI=6 # EAPI=7
# inherit vcs-snapshot # inherit vcs-snapshot
# #
# SRC_URI="https://github.com/example/${PN}/tarball/v${PV} -> ${P}.tar.gz # SRC_URI="
# https://github.com/example/${PN}-otherstuff/tarball/v${PV} -> ${P}-otherstuff.tar.gz" # https://bitbucket.org/foo/bar/get/${PV}.tar.bz2 -> ${P}.tar.bz2
# https://bitbucket.org/foo/bar-otherstuff/get/${PV}.tar.bz2
# -> ${P}-otherstuff.tar.bz2"
# @CODE # @CODE
# #
# and however the tarballs were originally packed, all files will appear # and however the tarballs were originally packed, all files will appear
# in ${WORKDIR}/${P} and ${WORKDIR}/${P}-otherstuff respectively. # in ${WORKDIR}/${P} and ${WORKDIR}/${P}-otherstuff respectively.
case ${EAPI:-0} in case ${EAPI:-0} in
0|1|2|3|4|5|6) ;; 0|1|2|3|4|5|6|7) ;;
*) die "vcs-snapshot.eclass API in EAPI ${EAPI} not yet established." *) die "vcs-snapshot.eclass API in EAPI ${EAPI} not yet established."
esac esac
@ -55,6 +58,7 @@ EXPORT_FUNCTIONS src_unpack
vcs-snapshot_src_unpack() { vcs-snapshot_src_unpack() {
debug-print-function ${FUNCNAME} "${@}" debug-print-function ${FUNCNAME} "${@}"
local renamed_any=
local f local f
for f in ${A} for f in ${A}
@ -65,10 +69,25 @@ vcs-snapshot_src_unpack() {
debug-print "${FUNCNAME}: unpacking ${f} to ${destdir}" debug-print "${FUNCNAME}: unpacking ${f} to ${destdir}"
# XXX: check whether the directory structure inside is local l topdirs=()
# fine? i.e. if the tarball has actually a parent dir. while read -r l; do
topdirs+=( "${l}" )
done < <(tar -t -f "${DISTDIR}/${f}" | cut -d/ -f1 | sort -u)
if [[ ${#topdirs[@]} -gt 1 ]]; then
eerror "The archive ${f} contains multiple or no top directory."
eerror "It is impossible for vcs-snapshot to unpack this correctly."
eerror "Top directories found:"
local d
for d in "${topdirs[@]}"; do
eerror " ${d}"
done
die "${FUNCNAME}: Invalid directory structure in archive ${f}"
fi
[[ ${topdirs[0]} != ${f%.tar*} ]] && renamed_any=1
mkdir "${destdir}" || die mkdir "${destdir}" || die
# -o (--no-same-owner) to avoid restoring original owner # -o (--no-same-owner) to avoid restoring original owner
einfo "Unpacking ${f}"
tar -C "${destdir}" -x -o --strip-components 1 \ tar -C "${destdir}" -x -o --strip-components 1 \
-f "${DISTDIR}/${f}" || die -f "${DISTDIR}/${f}" || die
;; ;;
@ -80,4 +99,14 @@ vcs-snapshot_src_unpack() {
;; ;;
esac esac
done done
if [[ ! ${renamed_any} ]]; then
local w=eerror
[[ ${EAPI} == [0123456] ]] && w=eqawarn
"${w}" "${FUNCNAME} did not find any archives that needed renaming."
"${w}" "Please verify that its usage is really necessary, and remove"
"${w}" "the inherit if it is not."
[[ ${w} == eerror ]] && die "${FUNCNAME}: Unnecessary usage detected"
fi
} }