Merge branch 'master' of feistymeow.org:feisty_meow

[feisty_meow.git] / scripts / archival / unpack.sh

diff --git a/scripts/archival/unpack.sh b/scripts/archival/unpack.sh
index 4fbe182039940a232039ff3e4a0b9427ae65eb90..b67ac9788a56eaabbf00af64ac58bc3e2e35cdad 100644 (file)
--- a/scripts/archival/unpack.sh
+++ b/scripts/archival/unpack.sh
@@ -11,25 +11,26 @@
 ##############
 #
 # An arbitrary format archive unpacker, although really we are mainly supporting
-# tar and zip currently, including compressed formats.
+# tar, zip, 7z, and rar at this time.
 
-unpack_file="$1"; shift
-if [ -z "$unpack_file" ]; then
+archive_file="$1"; shift
+if [ -z "$archive_file" ]; then
   echo "This script takes one archive name (in .tar.gz, .zip, etc. formats) and"
   echo "unpacks the archive with the appropriate tool."
   exit 1
 fi
-if [ ! -f "$unpack_file" ]; then
-  echo "The file specified for unpacking cannot be located: $unpack_file"
+if [ ! -f "$archive_file" ]; then
+  echo "The file specified cannot be located: $archive_file"
   exit 1
 fi
 unpack_dir="$1"; shift
 if [ -z "$unpack_dir" ]; then
-  unpack_dir=$(echo unpacked_$(basename $unpack_file) | sed -e 's/^\([^\.]*\)\..*/\1/')
+  all_but_last="$(echo "$(basename "$archive_file")" | sed -e 's/\([\^.]*\)\.[^\.]*$/\1/')"
+  unpack_dir="arch_${all_but_last}"
 fi
 
 if [ ! -d "$unpack_dir" ]; then
-  mkdir "$unpack_dir"
+  mkdir -p "$unpack_dir"
   if [ $? -ne 0 ]; then
     echo "Could not create the unpacking directory: $unpack_dir"
     exit 1
@@ -41,42 +42,61 @@ ORIGINATING_FOLDER="$( \pwd )"
 
 pushd "$unpack_dir" &>/dev/null
 
-if [ ! -f "$unpack_file" ]; then
+if [ ! -f "$archive_file" ]; then
   # we're assuming we left it behind in our previous directory.
-  unpack_file="$ORIGINATING_FOLDER/$unpack_file"
-  if [ ! -f "$unpack_file" ]; then
+  archive_file="$ORIGINATING_FOLDER/$archive_file"
+  if [ ! -f "$archive_file" ]; then
     echo "Could not find file to unpack after shifting directories.  Sorry."
-    echo "Tried to locate it as: $unpack_file"
+    echo "Tried to locate it as: $archive_file"
     exit 1
   fi
 fi
 
-if [[ $unpack_file =~ .*\.tar$ \
-    || $unpack_file =~ .*\.tar\.gz$ \
-    || $unpack_file =~ .*\.tar\.bz2$ \
-    || $unpack_file =~ .*\.iar$ \
-    || $unpack_file =~ .*\.oar$ \
-    || $unpack_file =~ .*\.tgz$ \
+#hmmm: we could log to a file and spew the file if there's a failure, then
+#  remove the file after spewing or after successful run.
+#  this is a really commonly repeated pattern that would be nice to support
+#  in general.
+
+# record what happened.
+save_err=1
+if [[ "$archive_file" =~ .*\.tar$ \
+    || "$archive_file" =~ .*\.tar\.gz$ \
+    || "$archive_file" =~ .*\.tar\.bz2$ \
+    || "$archive_file" =~ .*\.tar\.xz$ \
+    || "$archive_file" =~ .*\.iar$ \
+    || "$archive_file" =~ .*\.oar$ \
+    || "$archive_file" =~ .*\.tbz$ \
+    || "$archive_file" =~ .*\.tgz$ \
+    || "$archive_file" =~ .*\.txz$ \
+    || "$archive_file" =~ .*\.ova$ \
+    || "$archive_file" =~ .*\.snarf$ \
     ]]; then
-  tar -xf $unpack_file &>/dev/null
-elif [[ $unpack_file =~ .*\.zip$ \
-    || $unpack_file =~ .*\.epub$ \
-    || $unpack_file =~ .*\.odt$ \
-    || $unpack_file =~ .*\.jar$ \
-    || $unpack_file =~ .*\.war$ \
+  tar -xf "$archive_file" &>/dev/null
+  save_err=$?
+elif [[ "$archive_file" =~ .*\.zip$ \
+    || "$archive_file" =~ .*\.epub$ \
+    || "$archive_file" =~ .*\.odt$ \
+    || "$archive_file" =~ .*\.jar$ \
+    || "$archive_file" =~ .*\.war$ \
     ]]; then
-  unzip $unpack_file &>/dev/null
+  unzip "$archive_file" &>/dev/null
+  save_err=$?
+elif [[ "$archive_file" =~ .*\.7z$ ]]; then
+  7z x "$archive_file" &>/dev/null
+  save_err=$?
+elif [[ "$archive_file" =~ .*\.rar$ ]]; then
+  unrar x "$archive_file" &>/dev/null
+  save_err=$?
 fi
-save_err=$?
 
 popd &>/dev/null
 
 if [ $save_err -ne 0 ]; then
-  echo "There was a failure reported while unpacking: $unpack_file"
+  echo "There was a failure reported while unpacking: $archive_file"
   echo "into the directory: $unpack_dir"
   exit 1
 else
-  echo "Unpacked file $(basename $unpack_file) into folder: $unpack_dir"
+  echo "Unpacked file $(basename "$archive_file") into folder: $unpack_dir"
 fi