[build] Added the modified build script based on an old version of https://github...

[casparcg] / dependencies64 / ffmpeg / ffmpeg-build-linux / fetchurl

diff --git a/dependencies64/ffmpeg/ffmpeg-build-linux/fetchurl b/dependencies64/ffmpeg/ffmpeg-build-linux/fetchurl
new file mode 100755 (executable)
index 0000000..da6d8e3
--- /dev/null
+++ b/dependencies64/ffmpeg/ffmpeg-build-linux/fetchurl
@@ -0,0 +1,123 @@
+#!/bin/sh
+#
+# Small utility to fetch and unpack archives on the web (with cache)
+#
+# Depends on : curl, tar
+#
+
+set -e
+set +u
+
+# ENV vars, inherited from external
+CACHE=${CACHE:-1}
+UNPACK=${UNPACK:-1}
+VERBOSE=${VERBOSE:-0}
+
+EXTRACT_DIR=${EXTRACT_DIR:-`pwd`}
+if [ -n "$HOME" ]; then
+  CACHE_DIR=${CACHE_DIR:-$HOME/.cache/fetchurl}
+else
+  CACHE_DIR=${CACHE_DIR:-}
+fi
+TMP_DIR=${TMP_DIR:-/tmp}
+
+URL=$1
+
+set -u
+
+stderr () {
+  echo $@ 1>&2
+}
+
+sh () {
+  echo $ $@
+  if [ "$VERBOSE" -ne 0 ]; then
+    $@
+  else
+    $@ >/dev/null 2>&1
+  fi
+}
+
+expand_path() {
+       here=`pwd`
+       cd $1
+       echo `pwd -P`
+       cd "$here"
+}
+
+usage() {
+  echo "Usage: fetchurl url"
+  echo "CACHE=${CACHE}"
+  echo "UNPACK=${UNPACK}"
+  echo "VERBOSE=${VERBOSE}"
+
+  echo "EXTRACT_DIR=${EXTRACT_DIR}"
+  echo "CACHE_DIR=${CACHE_DIR}"
+  echo "TMP_DIR=${TMP_DIR}"
+
+  echo "URL=${URL}"
+  exit 1
+}
+
+if [ -z "$URL" ]; then
+  stderr "ERROR: missing url"
+  usage
+fi
+
+if [ -z "$CACHE_DIR" ] && [ "$CACHE" -ne 0 ]; then
+  stderr "ERROR: missing cache dir"
+  usage
+fi
+
+filename=`basename "$URL" | sed 's/\?.*//'`
+tmp_file="$TMP_DIR/$filename"
+cache_file="$CACHE_DIR/$filename"
+
+mkdir -p "$CACHE_DIR"
+
+# Fetch
+if [ "$CACHE" -eq 0 ] || [ ! -f "$cache_file" ]; then
+  rm -rf "$tmp_file"
+  sh curl -L -o "$tmp_file" "$URL"
+  sh mv "$tmp_file" "$cache_file"
+fi
+
+# TODO: checksums
+
+# Unpack
+if [ "$UNPACK" -ne 0 ]; then
+
+  if [ "$filename" != "${filename%.tar.gz}" ]; then
+    extname=.tar.gz
+  elif [ "$filename" != "${filename%.tgz}" ]; then
+    extname=.tgz
+  elif [ "$filename" != "${filename%.tar.bz2}" ]; then
+    extname=.tar.bz2
+  elif [ "$filename" != "${filename%.tar.xz}" ]; then
+    extname=.tar.xz
+  else
+    stderr extension of $filename is not supported
+    exit 1
+  fi
+
+  target_dir=`expand_path "$EXTRACT_DIR"`
+  mkdir -p "$target_dir"
+  sh cd "$target_dir"
+  
+  case "$extname" in
+    .tar.gz|.tgz)    
+      sh tar xzvf "$cache_file"
+    ;;
+    .tar.bz2)
+      sh tar xjvf "$cache_file"
+    ;;
+    .tar.xz)
+      sh tar xJvf "$cache_file"
+    ;;
+    *)
+      stderr BUG, this should not happen
+      exit 1
+    ;;
+  esac
+fi
+