Verify using device and inode (not file realpath).

[cydia.git] / pngcrush.sh

diff --git a/pngcrush.sh b/pngcrush.sh
index 69715fbf335c69025419ba5de6e137fe1451b73e..685a6af3cb47836797ced9ab2ccf2c4d90a53223 100755 (executable)
--- a/pngcrush.sh
+++ b/pngcrush.sh
@@ -1,32 +1,45 @@
 #!/bin/bash
 
 png=$1
+out=$2
+
 steps=()
 
+src=${out}.src.png
+dst=${out}.dst.png
+
+copy=("${src}" "${dst}")
+
 function step() {
     "$@"
-    mv -f {_,}_.png
-    steps+=($(stat -f "%z" _.png))
+    mv -f "${dst}" "${src}"
+    steps+=($(stat -f "%z" "${src}"))
 }
 
-pngcrush=/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/pngcrush
+pngcrush=$(xcode-select --print-path)/Platforms/iPhoneOS.platform/Developer/usr/bin/pngcrush
+
+if grep CgBI "${png}" &>/dev/null; then
+    if [[ ${png} != ${out} ]]; then
+        cp -a "${png}" "${out}"
+    fi
 
-grep CgBI "${png}" &>/dev/null && exit 0
+    exit 0
+fi
 
-step cp -fa "${png}" __.png
+step cp -fa "${png}" "${dst}"
 
-#step "${pngcrush}" -q -rem alla -reduce -brute -iphone {,_}_.png
+#step "${pngcrush}" -q -rem alla -reduce -brute -iphone "${copy[@]}"
 
-#step "${pngcrush}" -q -rem alla -reduce -brute {,_}_.png
-#step pincrush {,_}_.png
+#step "${pngcrush}" -q -rem alla -reduce -brute "${copy[@]}"
+#step pincrush "${copy[@]}"
 
-step "${pngcrush}" -q -rem alla -reduce -iphone {,_}_.png
+step "${pngcrush}" -q -rem alla -reduce -iphone "${copy[@]}"
 
 #"${pngcrush}" -q -rem alla -reduce -brute -iphone "${png}" 1.png
 #"${pngcrush}" -q -iphone _.png 2.png
 #ls -la 1.png 2.png
 
-mv -f _.png "${png}"
+mv -f "${src}" "${out}"
 
 echo -n "${png##*/} "
 for ((i = 0; i != ${#steps[@]}; ++i)); do