From e6226251e5603810d2e8211cd46f16ec43e3339f Mon Sep 17 00:00:00 2001
From: "Haelwenn (lanodan) Monnier" <contact@hacktivis.me>
Date: Fri, 29 Oct 2021 19:43:53 +0200
Subject: test: Add shellcheck

---
 Makefile  |  1 +
 README.md |  1 +
 configure | 21 +++++++++++++++++++--
 3 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 0ff8b3d..9504203 100644
--- a/Makefile
+++ b/Makefile
@@ -55,6 +55,7 @@ uri_test: uri.o uri_test.o
 .PHONY: test
 test: $(EXE_test)
 	$(MANDOC) -Tlint -Wunsupp,error,warning ./badwolf.1
+	$(SHELLCHECK) ./configure
 
 .PHONY: install
 install: all
diff --git a/README.md b/README.md
index e5205e1..d8b088b 100644
--- a/README.md
+++ b/README.md
@@ -61,6 +61,7 @@ Dependencies are:
 - A pkg-config implementation (pkgconf is recommended)
 - (optional) gettext implementation (such as GNU Gettext)
 - (optional, test) [mandoc](https://mdocml.bsd.lv/) (the command) for linting the manpage
+- (optional, test) [shellcheck](https://www.shellcheck.net/) for linting the `./configure` script
 
 Compilation is done with `./configure && make`, install with `make install` (`DESTDIR` and `PREFIX` environment variables are supported, amongs other common ones). An example AppArmor profile is provided at `usr.bin.badwolf`, please do some long runtime checks before shipping it or a modified version, help can be provided but with no support.
 
diff --git a/configure b/configure
index b0a705e..aa2647c 100755
--- a/configure
+++ b/configure
@@ -26,6 +26,7 @@ Variables:
   CFLAGS=OPTIONS
   EXTRA_CFLAGS=OPTIONS
   MANDOC=BIN
+  SHELLCHECK=BIN
 
   WITH_WEBKITGTK=(4.0|4.1)
   WITH_URI_PARSER=(guri|libsoup2)
@@ -37,7 +38,8 @@ Dependencies:
 - libxml-2.0
 - webkit2gtk-4.1 version >=${min_webkitgtk} or webkit2gtk-4.0 version >=${min_webkitgtk}
 - libsoup-2.4 or glib-2.0 version >=${min_glib_guri}
-- mandoc: for linting the manual page (optionnal, test dep)
+- mandoc: for linting the manual page (optional, test dep)
+- shellcheck: for linting ./configure (optional, test dep)
 END
 }
 
@@ -73,6 +75,7 @@ INKSCAPE="${INKSCAPE:-inkscape}"
 CC="${CC:-cc}"
 CFLAGS="${CFLAGS:--g -O2 -pie -fPIE}"
 MANDOC="${MANDOC:-mandoc}"
+SHELLCHECK="${SHELLCHECK:-shellcheck}"
 
 
 # Also allow variables through arguments
@@ -111,6 +114,7 @@ APPSDIR="${APPSDIR:-${PREFIX}/share/applications}"
 CFLAGS="${CFLAGS} -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wall -Wextra -Wconversion -Wsign-conversion -Werror=implicit-function-declaration -Werror=implicit-int -Werror=vla ${EXTRA_CFLAGS}"
 
 ## System checks
+# commands
 printf 'Checking %s command existance ...' "${PKGCONFIG}"
 command -v "${PKGCONFIG}" >/dev/null ; required
 
@@ -122,10 +126,22 @@ if command -v "${MANDOC}" >/dev/null ; is_ok
 then
 	:
 else
+	printf 'Warning: Tests depending on mandoc disabled'
 	MANDOC="true"
 fi
 
+printf 'Checking %s command existance ...' "${SHELLCHECK}"
+if command -v "${SHELLCHECK}" >/dev/null ; is_ok
+then
+	:
+else
+	printf 'Warning: Tests depending on shellcheck disabled'
+	SHELLCHECK="true"
+fi
+
+echo
 
+# pkg-config
 for dep in ${DEPS}
 do
 	pkg_config_check --exists "$dep" || exit 1
@@ -209,7 +225,7 @@ required
 
 ## Configuration write
 
-printf 'Writing to config.mk ...'
+printf '\nWriting to config.mk ...'
 cat >config.mk <<EOF
 # Autogenerated by ./configure
 PACKAGE = Badwolf
@@ -229,6 +245,7 @@ INKSCAPE = ${INKSCAPE}
 MSGFMT = ${MSGFMT}
 DBG = ${DBG}
 MANDOC = ${MANDOC}
+SHELLCHECK = ${SHELLCHECK}
 
 CFLAGS = ${CFLAGS} -DDATADIR=\"\${DATADIR}\" -DPACKAGE=\"\${PACKAGE}\" -D_XOPEN_SOURCE=700 -D_POSIX_C_SOURCE=200809L -DVERSION=\"\${VERSION_FULL}\" ${DEPS_cflags}
 LIBS = ${DEPS_libs}
-- 
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