[build.sh] Rewritten to build help menus

[help/conditions] [help/general] [help/info] Initial version
[parser] Added support for help

build.sh

@@ -1,11 +1,40 @@
 #!/bin/bash
 
 EXEC=dam
+gen_help() {
+    for file in $(find help/ -type f -printf "%P\n"); do
+        echo -e "
+            # ${file} help
+            help_${file}() {
+                echo -e \""
+                cat help/${file} 
+        echo -e "\"
+            }"
+    done
 
-echo -e "#!/bin/bash\n" > ${EXEC}
+}
 
-for file in src/env $(find bunc/src -type f) $(find src/ -type f -not -name env -not -name parser) src/parser; do
-    awk '!/^ *#/ && NF' ${file} >> ${EXEC}
-done
+gen_env() {
+    echo -e "#!/bin/bash\n" 
+    echo "VERSION=$(git describe --tags)"
+    awk '!/^ *#/ && NF' src/env
+}
+
+gen_function() {
+    functionList=(${@})    
+    for function in ${functionList[@]}; do
+        awk '!/^ *#/ && NF' ${function} 
+    done
+}
+
+gen_parser() {
+    awk '!/^ *#/ && NF' src/parser
+}
+
+gen_env > ${EXEC}
+gen_help >> ${EXEC}
+gen_function $(find src/ -type f -not -name env -not -name parser) >> ${EXEC}
+gen_function $(find bunc/src/ -type f) >> ${EXEC}
+gen_parser >> ${EXEC}
 
 chmod +x ${EXEC}

help/conditions

@@ -0,0 +1,17 @@
+Conditions
+
+Note
+   Conditions are defined using the following format:
+   <metadatafield>=<value>
+   The metadta field can be anything that can be injected as metadta in a Vorbis tag.
+
+Example
+    You want to exclude everything from "GENRE" "Pop":
+    dam exclude "GENRE=Pop"
+    
+    ...but want to keep Lady Gaga, just because
+    dam include "ARTIST=Lady Gaga"
+
+    ...but not THAT album
+    dam exclude "ALBUM=THAT"
+

help/general

@@ -0,0 +1,19 @@
+Usage: dam [--help] [--info] [<options>] <command> <args>
+
+Options
+   --git-dir=</path/to/git/dir>
+      Defines path to git directory that contains the music collection. Defaults to current directory when not set.
+
+Commands
+   update </path/to/target>
+      Populates database present in target folder with new images.
+   deploy </path/to/target>
+      Deploys tracks to target folder, with applies metadata and cover image
+   exclude </path/to/target> <condition> [<additional condition>]
+      Exclude tracks based on conditions (see dam --help conditions for more information)
+   include </path/to/target> <condition> [<additional condition>]
+      Include tracks based on conditions (see dam --help conditions for more information)
+   du </path/to/target>
+      Prints total projected disk usage of currently selected tracks
+   fsck </path/to/target>
+      Does a series of tests on target's database file

help/info

@@ -0,0 +1,6 @@
+dam ${VERSION}
+Copyright (c) 2018 Antoine Martin <antoine.martin@protonmail.com>
+
+Distributed under the GNU Affero General Public License (AGPL v3)
+See LICENSE or http://www.gnu.org/licenses/agpl.html
+

src/parser

@@ -10,12 +10,15 @@ GIT_DIR="./"
 while true; do
 	case ${1} in
 		--help)
-			help
+            shift
+            HELP="${1}"
+            [[ -z "${HELP}" ]] && HELP=general
+			eval help_${HELP}
 			exit
 		;;
 
 		--info)
-			help info
+            help_info
 			exit
 		;;