[print_imageid_du] Added to calculate disk usage of provided IMAGEIDs

[cmd_deploy] Now warns when target does not have sufficient space for deployable IDs

src/cmd_deploy

@@ -18,7 +18,15 @@ cmd_deploy() {
     [[ ! -f "${DB_FILE}" ]] && return 1
 
     [[ -z "${imageidList[@]}" ]] && local imageidList=($(awk 'BEGIN{FS="\t"}{if($1=="true"){print $2}}' ${DB_FILE} | awk '!seen[$0]++'))
+    
+    # Checks if target has enough space
+    local deployableidList=($(awk 'BEGIN{FS="\t"}{if($1=="true" && $4=="null"){print $2}}' ${DB_FILE} | awk '!seen[$0]++'))
+    local removableidList=($(awk 'BEGIN{FS="\t"}{if($1=="false" && $4!="null"){print $2}}' ${DB_FILE} | awk '!seen[$0]++'))
+    local DU="$(( $(print_imageid_du ${GIT_DIR} ${deployableidList[@]}) - $(print_imageid_du ${GIT_DIR} ${removableidList[@]}) ))"
+    local DF="$(df ${TARGET} --output=avail | tail -n -1)"
+    [[ ${DU} -ge ${DF} ]] && { _msg ECHO "Target does not have enough space for deployable IMAGEID. Need ${DU}, has ${DF}."; return 2; }
 
+    
     for imageid in ${imageidList[@]}; do
         _msg EXEC "Deploying ${imageid} to ${TARGET}"
         deploy_imageid ${GIT_DIR} ${TARGET} ${DB_FILE} ${imageid} >${STDERR} 2>&1

src/print_imageid_du

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# doc print_imageid_du
+#
+# DESCRIPTION
+#   print_imageid_du - Prints disk usage of IMAGEIds
+#
+# USAGE
+#   print_imageid_du </path/to/git/dir> <IMAGEID_1> [<IMAGEID_2> <...>]
+#
+# }
+
+print_imageid_du() {
+    local GIT_DIR="${1}"; shift
+    local imageidList=(${@})
+    [[ -z "${imageidList[@]}" ]] && echo 0
+    local bytesList=($(awk 'BEGIN{RS=",";FS=":"}{if($1=="\"size\""){print $2}}' <<<$(git -C "${GIT_DIR}" annex info --bytes --json $(printf "%s.flac\t" ${imageidList[@]}))))
+     dc <<< '[+]sa[z2!>az2!>b]sb'"$(sed 's/"//g' <<< "${bytesList[@]}")lbxp"
+}