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# $NetBSD: application.mk,v 1.2 2022/09/03 16:27:56 pho Exp $
#
# Generate shell completion scripts automatically.
#
# This mk fragment should be included in packages that install executables
# which parse command-line arguments using optparse-applicative. If the
# package installs a library too, and the library depends on
# optparse-applicative, the package should include both "application.mk"
# and "buildlink3.mk" so that pkgtools/createbuildlink works correctly.
#
# Package-settable variables:
#
# OPTPARSE_APPLICATIVE_EXECUTABLES
# A list of names of executables supporting automatic completor
# generation. These executables are assumed to be installed in
# ${PREFIX}/bin.
#
# Default value: ${PKGBASE}
#
# Keywords: haskell optparse-applicative
#
OPTPARSE_APPLICATIVE_EXECUTABLES?= ${PKGBASE}
.include "../../devel/hs-optparse-applicative/buildlink3.mk"
# Declarations for ../../mk/misc/show.mk
_VARGROUPS+= optparse-applicative
_PKG_VARS.optparse-applicative= \
OPTPARSE_APPLICATIVE_EXECUTABLES
_DEF_VARS.optparse-applicative= \
PRINT_PLIST_AWK \
GENERATE_PLIST \
OA.shell-types \
OA.generate-cmds
_USE_VARS.optparse-applicative= \
DESTDIR \
PKGBASE \
PREFIX \
WRKSRC
_IGN_VARS.optparse-applicative= \
OA.script.bash \
OA.script.fish \
OA.script.zsh
_LISTED_VARS.optparse-applicative= \
PRINT_PLIST_AWK \
GENERATE_PLIST \
OA.generate-cmds
_SORTED_VARS.optparse-applicative= \
OPTPARSE_APPLICATIVE_EXECUTABLES \
OA.shell-types
# A list of shell types currently supported by optparse-applicative.
OA.shell-types= bash fish zsh
# The paths to completion script for each shell. "@exec@" will be
# substituted later.
OA.script.bash= share/bash-completion/completions/@exec@
OA.script.fish= share/fish/completions/@exec@.fish
OA.script.zsh= share/zsh/site-functions/_@exec@
# Completion scripts should be excluded from PLIST files because the exact
# set of installed scripts can vary depending on the version of
# optparse-applicative. Note that we can't loop on
# ${OPTPARSE_APPLICATIVE_EXECUTABLES} with ".for" because ${PKGBASE} is not
# yet defined.
PRINT_PLIST_AWK+= \
${OPTPARSE_APPLICATIVE_EXECUTABLES:@.exec.@ \
${OA.shell-types:@.shell.@ \
/^${OA.script.${.shell.}:S/@exec@/${.exec.}/:S,/,\\/,g}$$/ \
{ next } \
@} \
@}
# Automatically insert completion scripts to PLIST.
GENERATE_PLIST+= \
${OPTPARSE_APPLICATIVE_EXECUTABLES:@.exec.@ \
${OA.shell-types:@.shell.@ \
${ECHO} ${OA.script.${.shell.}:S/@exec@/${.exec.}/:Q}; \
@} \
@}
# The post-install hook to generate completion scripts. We need to run the
# executables we just built in order to generate scripts. However, unlike
# cabal-install, the plain Cabal doesn't provide a convenient way to do
# it. So we have to resort to something fragile.
OA.generate-cmds= \
${OPTPARSE_APPLICATIVE_EXECUTABLES:@.exec.@ \
${STEP_MSG} "Generating shell completion scripts for ${.exec.}"; \
${OA.shell-types:@.shell.@ \
${INSTALL_DATA_DIR} ${DESTDIR:Q}${PREFIX:Q}/${OA.script.${.shell.}:S/@exec@/${.exec.}/:H:Q}; \
${PKGSRC_SETENV} LD_LIBRARY_PATH=${WRKSRC:Q}/dist/build \
${WRKSRC:Q}/dist/build/${.exec.:Q}/${.exec.:Q} \
--${.shell.:Q}-completion-script \
${PREFIX:Q}/bin/${.exec.:Q} \
> ${DESTDIR:Q}${PREFIX:Q}/${OA.script.${.shell.}:S/@exec@/${.exec.}/:Q}; \
@} \
@}
.PHONY: generate-optparse-applicative-shell-completion-scripts
post-install: generate-optparse-applicative-shell-completion-scripts
generate-optparse-applicative-shell-completion-scripts:
${RUN}${OA.generate-cmds}
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