fossil-package.mk: Add draft

[Kamil Rytarowski <n54%gmx.com@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Kamil Rytarowski <n54%gmx.com@localhost>
Pushed By:	kamil
Date:		Tue Oct 25 23:20:18 2016 +0200
Changeset:	0a54f193c9f0b9dcaa39712a2e276281e335697b

Added Files:
	mk/fossil-package.mk

Log Message:
fossil-package.mk: Add draft

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=0a54f193c9f0b9dcaa39712a2e276281e335697b

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 mk/fossil-package.mk | 122 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 122 insertions(+)

diffs:
diff --git a/mk/fossil-package.mk b/mk/fossil-package.mk
new file mode 100644
index 0000000..71c100f
--- /dev/null
+++ b/mk/fossil-package.mk
@@ -0,0 +1,122 @@
+# This file provides simple access to git repositories, so that packages
+# can be created from git instead of from released tarballs.
+#
+# A package using this file shall define the following variables:
+#
+#	FOSSIL_REPOSITORIES
+#		A list of unique identifiers /id/ for which appropriate
+#		FOSSIL_REPO must be defined.
+#
+#	FOSSIL_REPO.${id}
+#		The fossil repository
+#
+# It may define the following variables:
+#
+#	FOSSIL_BRANCH.${id}
+#		The branch to check out.
+#
+#	FOSSIL_REVISION.${id}
+#		The revision to check out.
+#
+#	FOSSIL_TAG.${id}
+#		Overridable FOSSIL tag for a repository.
+#
+#	FOSSIL_ENV.${id}
+#		The environment for fossil, to set e.g. FOSSIL_SSL_NO_VERIFY=true
+
+.if !defined(_PKG_MK_FOSSIL_PACKAGE_MK)
+_PKG_MK_FOSSIL_PACKAGE_MK=	# defined
+
+BUILD_DEPENDS+=		fossil-[0-9]*:../../devel/fossil
+
+#
+# defaults for user-visible input variables
+#
+
+DISTFILES?=		# empty
+PKGREVISION?=		${_FOSSIL_PKGVERSION:S/.//g}
+
+#
+# End of the interface part. Start of the implementation part.
+#
+
+#
+# Input validation
+#
+
+.if !defined(FOSSIL_REPOSITORIES)
+PKG_FAIL_REASON+=	"[fossil-package.mk] FOSSIL_REPOSITORIES must be set."
+FOSSIL_REPOSITORIES?=	# none
+.endif
+
+.for _repo_ in ${FOSSIL_REPOSITORIES}
+.  if !defined(FOSSIL_REPO.${_repo_})
+PKG_FAIL_REASON+=	"[fossil-package.mk] FOSSIL_REPO."${_repo_:Q}" must be set."
+.  endif
+.endfor
+
+#
+# Internal variables
+#
+
+USE_TOOLS+=		date pax
+
+_FOSSIL_CMD=		fossil
+_FOSSIL_PKGVERSION_CMD=	${DATE} -u +'%Y.%m.%d'
+_FOSSIL_PKGVERSION=	${_FOSSIL_PKGVERSION_CMD:sh}
+_FOSSIL_DISTDIR=	${DISTDIR}/fossil-packages
+
+#
+# Generation of repository-specific variables
+#
+
+.for repo in ${FOSSIL_REPOSITORIES}
+FOSSIL_MODULE.${repo}?=	${repo}
+_FOSSIL_ENV.${repo}=	${FOSSIL_ENV.${repo}}
+
+# Cache support:
+#   cache file name
+_FOSSIL_DISTFILE.${repo}=	${PKGBASE}-${FOSSIL_MODULE.${repo}}-fossilarchive.tar.gz
+
+#   command to extract cache file
+_FOSSIL_EXTRACT_CACHED.${repo}=	\
+	if [ -f ${_FOSSIL_DISTDIR}/${_FOSSIL_DISTFILE.${repo}:Q} ]; then		\
+	  ${STEP_MSG} "Extracting cached FOSSIL archive "${_FOSSIL_DISTFILE.${repo}:Q}"."; \
+	  gzip -d -c ${_FOSSIL_DISTDIR}/${_FOSSIL_DISTFILE.${repo}:Q} | pax -r;	\
+	fi
+
+#   create cache archive
+_FOSSIL_CREATE_CACHE.${repo}=	\
+	${STEP_MSG} "Creating cached FOSSIL archive "${_FOSSIL_DISTFILE.${repo}:Q}"."; \
+	${MKDIR} ${_FOSSIL_DISTDIR:Q};					\
+	pax -w ${FOSSIL_MODULE.${repo}:Q} | gzip > ${_FOSSIL_DISTDIR}/${_FOSSIL_DISTFILE.${repo}:Q}.tmp;	\
+	${MV} '${_FOSSIL_DISTDIR}/${_FOSSIL_DISTFILE.${repo}:Q}.tmp' '${_FOSSIL_DISTDIR}/${_FOSSIL_DISTFILE.${repo}:Q}'
+
+#   fetch fossil repo or update cached one
+_FOSSIL_FETCH_REPO.${repo}=	\
+	if [ ! -d ${FOSSIL_MODULE.${repo}:Q} ]; then				\
+	  ${STEP_MSG} "Cloning FOSSIL archive "${FOSSIL_MODULE.${repo}:Q}".";	\
+	  ${SETENV} ${_FOSSIL_ENV.${repo}} ${_FOSSIL_CMD}			\
+	    clone ${_FOSSIL_CLONE_FLAGS.${repo}}				\
+	    ${FOSSIL_REPO.${repo}:Q} ${FOSSIL_MODULE.${repo}:Q};		\
+	fi;									\
+	${STEP_MSG} "Fetching remote repo of "${_FOSSIL_FLAG.${repo}:Q}".";	\
+	( cd ${FOSSIL_MODULE.${repo}:Q} && ${_FOSSIL_CMD} pull )
+.endfor
+
+pre-extract: do-fossil-extract
+
+.PHONY: do-fossil-extract
+do-fossil-extract:
+.for _repo_ in ${FOSSIL_REPOSITORIES}
+	${RUN} cd ${WRKDIR};							\
+	if [ ! -d ${_FOSSIL_DISTDIR:Q} ]; then 					\
+		mkdir -p ${_FOSSIL_DISTDIR:Q};					\
+	fi;									\
+	${_FOSSIL_EXTRACT_CACHED.${_repo_}};					\
+	${_FOSSIL_FETCH_REPO.${_repo_}};					\
+	${_FOSSIL_CREATE_CACHE.${_repo_}};
+
+.endfor
+
+.endif