lib: get the base of WORK_PATH from app.ini

instead of hardcoding forgejo-work-path to be the base of WORK_PATH
relative to DIR, read it from the app.ini file. It will allow
multiple Forgejo instances to run simultaneously, each using a
different directory.

actions/default-app.ini

@@ -1,5 +1,5 @@
 RUN_MODE = prod
-WORK_PATH = ${WORK_PATH}
+WORK_PATH = forgejo-work-path
 
 [server]
 APP_DATA_PATH = ${WORK_PATH}/data

lib/lib.sh

@@ -52,7 +52,7 @@ function dependencies() {
 
     if ! which make curl daemon git-lfs jq sqlite3 > /dev/null ; then
         $SUDO apt-get update -qq
-        $SUDO apt-get install -y -qq make curl daemon git-lfs jq sqlite3 gettext-base
+        $SUDO apt-get install -y -qq make curl daemon git-lfs jq sqlite3
     fi
 
     if ! test -f /usr/local/bin/mc || ! test -f /usr/local/bin/minio ; then
@@ -247,10 +247,18 @@ function start() {
 
 function reset_forgejo() {
     local config=$1
-    local work_path=$DIR/forgejo-work-path
+    local work_path_base=$(sed -n -e 's/^WORK_PATH *= *\(.*\)/\1/p' < $config)
+    if test -z "$work_path_base" ; then
+	echo "no line found starting with WORK_PATH = in the file $config"
+	return 1
+    fi
+    local work_path=$DIR/$work_path_base
     rm -fr $work_path
     mkdir -p $work_path
-    IP=$IP WORK_PATH=$work_path envsubst < $config > $work_path/app.ini
+    sed -e "s/\${IP}/$IP/g" \
+	-e "s|\${WORK_PATH}|$work_path|g" \
+	-e "s|^WORK_PATH = .*|WORK_PATH = $work_path|" \
+        < $config > $work_path/app.ini
 }
 
 function reset_minio() {

packages/alpine-app.ini

@@ -1,5 +1,5 @@
 RUN_MODE = prod
-WORK_PATH = ${WORK_PATH}
+WORK_PATH = forgejo-work-path
 
 [server]
 APP_DATA_PATH = ${WORK_PATH}/data

storage/default-app.ini

@@ -1,5 +1,5 @@
 RUN_MODE = prod
-WORK_PATH = ${WORK_PATH}
+WORK_PATH = forgejo-work-path
 
 [server]
 APP_DATA_PATH = ${WORK_PATH}/data

storage/specific-app.ini

@@ -1,5 +1,5 @@
 RUN_MODE = prod
-WORK_PATH = ${WORK_PATH}
+WORK_PATH = forgejo-work-path
 
 [server]
 APP_DATA_PATH = ${WORK_PATH}/elsewhere

storage/stable-s3-app.ini

@@ -1,5 +1,5 @@
 RUN_MODE = prod
-WORK_PATH = ${WORK_PATH}
+WORK_PATH = forgejo-work-path
 
 [server]
 APP_DATA_PATH = ${WORK_PATH}/elsewhere

upgrade/default-app.ini

@@ -1,5 +1,5 @@
 RUN_MODE = prod
-WORK_PATH = ${WORK_PATH}
+WORK_PATH = forgejo-work-path
 
 [server]
 APP_DATA_PATH = ${WORK_PATH}/data