Simplify and abstract from "$tmp"

- Add input and write to basic.sh to no longer need to know "$tmp" in
  the calling scripts.

Also,
- make runnable from outside the directory containing the scripts,
- simplify chained grep and sed commands.

4 files changed, 42 insertions, 12 deletions

diff --git a/TODO b/TODO
index 1d246f1..9a8a3a8 100644
--- a/TODO
+++ b/TODO
@@ -6,6 +6,7 @@ TODO file for aur-fd-scripts
 * Use the provided sample.* instead of relying them to be in the destination
   directories.
 * [consider] Unify the different sample.PKGBUILDs.
+* Split off a (bash) configuration file.
 
 [FEATURES]
 * Notify on checksum change.
diff --git a/basic.sh b/basic.sh
index 77d893b..891d9c5 100644
--- a/basic.sh
+++ b/basic.sh
@@ -47,6 +47,20 @@ function init
 	tmp_="$tmp_d/b"
 }
 
+# $1: file to treat as input: filename
+# requires: init to be run
+function input
+{
+	cp "$1" "$tmp"
+}
+
+# $1: file to write to: filename
+# requires: init and input to be run
+function write
+{
+	cp "$tmp" "$1"
+}
+
 function cleanup
 {
 	rm -rf "$tmp_d"
diff --git a/make_install.sh b/make_install.sh
index 0a3098c..6a3468d 100755
--- a/make_install.sh
+++ b/make_install.sh
@@ -20,7 +20,10 @@
 # along with aur-fd-scripts.  If not, see <https://www.gnu.org/licenses/>.
 #
 
-. basic.sh
+script_path="$(realpath "$0")"
+script_dir="${script_path%/*}"
+. "${script_dir}/basic.sh"
+
 
 function main
 {
@@ -54,14 +57,16 @@ function main
 	fi
 }
 
+
 function make_install
 {
 	pkgname=dict-freedict-${lang}${ext}
 
-	cp ../sample.install "$tmp"
+	input ../sample.install
 	replace "%LANG%" "$lang"
 	replace "%SUFFIX%" "$ext"
-	mv "$tmp" ${pkgname}/${pkgname}.install
+	write ${pkgname}/${pkgname}.install
 }
 
+
 main "$@"
diff --git a/update.sh b/update.sh
index e15d41b..6e06e00 100755
--- a/update.sh
+++ b/update.sh
@@ -29,12 +29,18 @@
 #     -ua:  Update all that are out of date.
 #     -uaf: Update all, even if they appear up to date.
 
+script_path="$(realpath "$0")"
+script_dir="${script_path%/*}"
+
+
+# Long names table.
 typeset -A long
 long[fra]=French
 long[deu]=German
 long[eng]=English
 long[spa]=Spanish
 
+# Contributors for some specific PKGBUILDs.
 typeset -A contrs
 contrs[deu-eng-bin]=\
 '# Contributor: akane <grangerspit@gmail.com> <xmpp:heiß@neko.im>'$'\n'
@@ -45,6 +51,7 @@ contrs[fra-eng-bin]=\
 contrs[eng-fra-bin]=\
 '# Contributor: Benjamin Vanderford <hazor_at_swrpg_dot_info>'$'\n'
 
+# prepare functions.
 typeset -A prepare
 prepare[deu-fra]=\
 'prepare()
@@ -58,7 +65,8 @@ prepare[deu-fra]=\
 }
 '
 
-. basic.sh
+
+. "${script_dir}/basic.sh"
 
 function main
 {
@@ -82,7 +90,6 @@ function main
 	fi
 
 
-
 	init
 	if [[ "$type" == src ]]
 	then
@@ -99,6 +106,7 @@ function main
 	fi
 }
 
+
 # $1 source type: (normal|vcs)
 # requires: $PWD == <base directory>/<type>
 function update
@@ -110,7 +118,7 @@ function update
 	lang_a="${long[${lang%-*}]}"
 	lang_b="${long[${lang#*-}]}"
 
-	cp ../sample.PKGBUILD "$tmp"
+	input ../sample.PKGBUILD
 
 	replace '%LANG%' "$lang"
 	replace '%LANG_A%' "$lang_a"
@@ -122,16 +130,17 @@ function update
 
 	if [[ "$ver" == "$convver" ]]
 	then
-		delete_line '^_pkgver=\${pkgver\/\/_\/-}$'
+		delete_line '^_pkgver=\$\{pkgver\/\/_\/-\}$'
 		replace '_pkgver' 'pkgver'
 	fi
 
 	replace_line '%PREPARE%' "${prepare[${lang}${ext}]}" rm-plus-one
 
-	mv "$tmp" PKGBUILD
+	write PKGBUILD
 	makepkg --printsrcinfo > .SRCINFO
 }
 
+
 # $1 type: (src|bin)
 # $2 suffix: (|-bin)
 # $3 platform: (src|dictd)
@@ -152,7 +161,7 @@ function handle_all
 	do
 		cd dict-freedict-${lang}${ext} || exit 1
 		$nopull || git pull -q
-		pkgver="$(grep pkgver .SRCINFO | sed -E 's/\s*pkgver\s*=\s*(.+)\s*/\1/')"
+		pkgver="$(sed -En 's/\s*pkgver\s*=\s*(.+)\s*/\1/p' .SRCINFO)"
 		data="$(jq -r ".[] | select(.name == \"${lang}\") | .releases[] | select(.platform==\"$platform\")" ../../freedict-database.json)"
 		ver="$(jq -r '.version' <<< "$data")"
 		url="$(jq -r '.URL' <<< "$data")"
@@ -185,6 +194,7 @@ function handle_all
 	cd ..
 }
 
+
 # $1 type: (svn)
 # $2 suffix: (-svn)
 # ${@:3} args: $@
@@ -201,10 +211,10 @@ function handle_all_vcs
 	do
 		cd dict-freedict-${lang}${ext} || exit 1
 		$nopull || git pull -q
-		pkgver="$(grep pkgver .SRCINFO | sed -E 's/\s*pkgver\s*=\s*(.+)\s*/\1/')"
+		pkgver="$(sed -En 's/\s*pkgver\s*=\s*(.+)\s*/\1/p' .SRCINFO)"
 		makepkg --nobuild --nodeps > /dev/null 2>&1
-		ver="$(makepkg --printsrcinfo | grep pkgver \
-			| sed -E 's/\s*pkgver\s*=\s*(.+)\s*/\1/')"
+		ver="$(makepkg --printsrcinfo \
+			| sed -En 's/\s*pkgver\s*=\s*(.+)\s*/\1/p')"
 		convver="$ver"
 
 		if [[ "$1" == "-u" && "$2" == "$lang" ]] || [[ "$1" == "-uaf" ]]