assets - How to add pngs from svg to XCode project with a shell script? -

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is there way update assets of project tools/scripts external xcode?

i draw icons in inkscape. i've discovered simple script this:

#!/bin/sh  tail=$(basename "$1") name="${tail%.*}"  /applications/inkscape.app/contents/resources/bin/inkscape -d 135 --export-png ${name}@3x.png   ${name}.svg  /applications/inkscape.app/contents/resources/bin/inkscape -d 90 --export-png ${name}@2x.png ${name}.svg  /applications/inkscape.app/contents/resources/bin/inkscape -d 45 --export-png ${name}.png ${name}.svg

i can auto generate 3 different pngs appropriate name @ resolutions. easier point-n-click interactive route.

what love do, add end of script automatically inject 3 pngs assets of xcode project. don't know how/where xcode manages those.

full script

the full script, derived @matthias 's answer (my svg directory sits sibling project directory)...

#!/bin/sh  tail=$(basename "$1") name="${tail%.*}" projectname=myvalve  target=../${projectname}/images.xcassets/${name}.imageset mkdir -p ${target}  /applications/inkscape.app/contents/resources/bin/inkscape -d 135 --export-png ${target}/${name}@3x.png ${name}.svg /applications/inkscape.app/contents/resources/bin/inkscape -d 90 --export-png ${target}/${name}@2x.png ${name}.svg /applications/inkscape.app/contents/resources/bin/inkscape -d 45 --export-png ${target}/${name}.png ${name}.svg  cat > ${target}/contents.json << __eof__ {  "images" : [   {    "idiom" : "universal",    "scale" : "1x",    "filename" : "${name}.png"   },   {    "idiom" : "universal",    "scale" : "2x",    "filename" : "${name}@2x.png"   },   {    "idiom" : "universal",    "scale" : "3x",    "filename" : "${name}@3x.png"   }  ],  "info" : {   "version" : 1,   "author" : "xcode"  } } __eof__

i don't have copy & paste solution, can provide starting point.

i added 3 images , file structure looks quite easy. file diff in git:

new file:   objctest/images.xcassets/image123.imageset/contents.json new file:   objctest/images.xcassets/image123.imageset/image123.png new file:   objctest/images.xcassets/image123.imageset/image123@2x.png new file:   objctest/images.xcassets/image123.imageset/image123@3x.png

so don't have touch xml stuff project.
, contents.json isn't complicated either:

{   "images" : [     {       "idiom" : "universal",       "scale" : "1x",       "filename" : "image123.png"     },     {       "idiom" : "universal",       "scale" : "2x",       "filename" : "image123@2x.png"     },     {       "idiom" : "universal",       "scale" : "3x",       "filename" : "image123@3x.png"     }   ],   "info" : {     "version" : 1,     "author" : "xcode"   } }

xcode 6 has couple of options can set in asset editor. if need those, change them , see how contents.json changes.


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