Get checksum from specific file

Before, the source file was downloaded and the checksum calculated from
it.

Additionally, the code's documentation was marginally improved and a
--nopull option added.

1 files changed, 23 insertions, 5 deletions

diff --git a/update.sh b/update.sh
index aa2a395..31e0265 100755
--- a/update.sh
+++ b/update.sh
@@ -1,5 +1,12 @@
 #!/bin/bash
-# usage: $0 dir type [-u xyz-uvw|-ua|-uaf]
+# usage: $0 dir type [--nopull] [-u xyz-uvw|-ua|-uaf]
+# $1 base directory: string
+# $2 type: (src|bin|svn)
+# $4 option: --nopull {can be omitted}
+# ${4,5} update force mode: (-u lang1-lang2|-ua|-uaf) {can be omitted}
+#     -u x: Update x, even if it appears up to date.
+#     -ua:  Update all that are out of date.
+#     -uaf: Update all, even if they appear up to date.
 
 typeset -A long
 long[fra]=French
@@ -49,7 +56,14 @@ function main
 
 	type="$2"
 
-	shift 2
+	if [ "$3" = "--nopull" ]
+	then
+		nopull=true
+		shift 3
+	else
+		nopull=false
+		shift 2
+	fi
 
 
 
@@ -70,6 +84,7 @@ function main
 }
 
 # $1 source type: (normal|vcs)
+# requires: $PWD == <base directory>/<type>
 function update
 {
 	src_type=$1
@@ -81,7 +96,8 @@ function update
 
 	if [[ $src_type != vcs ]]
 	then
-		checksum="$(wget -qO - "$url" | sha512sum | sed -E 's/\s*-$//')"
+		#checksum="$(wget -qO - "$url" | sha512sum | sed -E 's/\s*-$//')"
+		checksum="$(wget -qO - "${url}.sha512" | cut -d ' ' -f 1)"
 	fi
 
 	cp ../sample.PKGBUILD "$tmp"
@@ -110,6 +126,7 @@ function update
 # $2 suffix: (|-bin)
 # $3 platform: (src|dictd)
 # ${@:4} args: $@
+# requires: $PWD == <base directory>
 function handle_all
 {
 	type="$1"
@@ -124,7 +141,7 @@ function handle_all
 	for lang in ${langs[@]}
 	do
 		cd dict-freedict-${lang}${ext} || exit 1
-		git pull -q
+		$nopull || git pull -q
 		pkgver="$(grep pkgver .SRCINFO | sed -E 's/\s*pkgver\s*=\s*(.+)\s*/\1/')"
 		ver="$(jq -r ".[] | select(.name == \"${lang}\") | .releases[] | select(.platform==\"$platform\") | .version" ../../freedict-database.json)"
 		url="$(jq -r ".[] | select(.name == \"${lang}\") | .releases[] | select(.platform==\"$platform\") | .URL" ../../freedict-database.json)"
@@ -160,6 +177,7 @@ function handle_all
 # $1 type: (svn)
 # $2 suffix: (-svn)
 # ${@:3} args: $@
+# requires: $PWD == <base directory>
 function handle_all_vcs
 {
 	type="$1"
@@ -171,7 +189,7 @@ function handle_all_vcs
 	for lang in ${vcs_langs[@]}
 	do
 		cd dict-freedict-${lang}${ext} || exit 1
-		git pull -q
+		$nopull || git pull -q
 		pkgver="$(grep pkgver .SRCINFO | sed -E 's/\s*pkgver\s*=\s*(.+)\s*/\1/')"
 		makepkg --nobuild --nodeps > /dev/null 2>&1
 		ver="$(makepkg --printsrcinfo | grep pkgver \