build: Retry downloads to avoid transient CI issues.

Author: Maxwell175

build.mac.sh

@@ -76,8 +76,18 @@ fi
 mkdir -p dep-build
 cd dep-build
 
+download_file() {
+  local url="$1"
+  local filename="$2"
+  for i in {1..5}; do
+    curl -L "$url" -o "$filename" && return 0 || sleep 5
+  done
+  echo "Failed to download '$url' to '$filename' after 5 retries."
+  return 1
+}
+
 if [ ! -d ncurses-6.4 ]; then
-curl https://ftp.gnu.org/gnu/ncurses/ncurses-6.4.tar.gz -o ncurses.tar.gz
+download_file https://ftp.gnu.org/gnu/ncurses/ncurses-6.4.tar.gz ncurses.tar.gz
 tar -xf ncurses.tar.gz
 cd ncurses-6.4
 ./configure --prefix=${PREFIX} --disable-shared --enable-termcap --enable-widec --enable-getcap
@@ -90,7 +100,7 @@ cd ..
 fi
 
 if [ ! -d editline-1.17.1 ]; then
-curl -L https://github.com/troglobit/editline/releases/download/1.17.1/editline-1.17.1.tar.gz -o editline.tar.gz
+download_file https://github.com/troglobit/editline/releases/download/1.17.1/editline-1.17.1.tar.gz editline.tar.gz
 tar -xf editline.tar.gz
 cd editline-1.17.1
 ./configure --prefix=${PREFIX} --disable-shared
@@ -100,7 +110,7 @@ cd ..
 fi
 
 if [ ! -d sqlite-autoconf-3440000 ]; then
-curl https://sqlite.org/2023/sqlite-autoconf-3440000.tar.gz -o sqlite.tar.gz
+download_file https://sqlite.org/2023/sqlite-autoconf-3440000.tar.gz sqlite.tar.gz
 tar -xf sqlite.tar.gz
 cd sqlite-autoconf-3440000
 ./configure --prefix=${PREFIX} --disable-shared
@@ -110,7 +120,7 @@ cd ..
 fi
 
 if [ ! -d openssl-3.1.8 ]; then
-curl -L https://www.openssl.org/source/openssl-3.1.8.tar.gz -o openssl.tar.gz
+download_file https://www.openssl.org/source/openssl-3.1.8.tar.gz openssl.tar.gz
 tar -xf openssl.tar.gz
 cd openssl-3.1.8
 export "CPPINCLUDES=$PYTHON_BASE/Include"
@@ -127,15 +137,15 @@ cd ..
 fi
 
 if [ ! -d bzip2-1.0.8 ]; then
-curl -L https://gitlab.com/bzip2/bzip2/-/archive/bzip2-1.0.8/bzip2-bzip2-1.0.8.tar.gz -o bzip2.tar.gz
+download_file https://gitlab.com/bzip2/bzip2/-/archive/bzip2-1.0.8/bzip2-bzip2-1.0.8.tar.gz bzip2.tar.gz
 tar -xf bzip2.tar.gz
 cd bzip2-bzip2-1.0.8
 make install "PREFIX=$PREFIX" -j$(sysctl -n hw.ncpu)
 cd ..
 fi
 
 if [ ! -d xz-5.4.5 ]; then
-curl -L https://downloads.sourceforge.net/project/lzmautils/xz-5.4.5.tar.gz -o xz.tar.gz
+download_file https://downloads.sourceforge.net/project/lzmautils/xz-5.4.5.tar.gz xz.tar.gz
 tar -xf xz.tar.gz
 cd xz-5.4.5
 ./configure --prefix=${PREFIX} --disable-shared
@@ -145,7 +155,7 @@ cd ..
 fi
 
 if [ ! -d libffi-3.4.6 ]; then
-curl -L https://github.com/libffi/libffi/releases/download/v3.4.6/libffi-3.4.6.tar.gz -o libffi.tar.gz
+download_file https://github.com/libffi/libffi/releases/download/v3.4.6/libffi-3.4.6.tar.gz libffi.tar.gz
 tar -xf libffi.tar.gz
 cd libffi-3.4.6
 ./configure --prefix=${PREFIX} --disable-shared
@@ -155,7 +165,7 @@ cd ..
 fi
 
 if [ ! -d zlib-latest ]; then
-curl -L https://www.zlib.net/current/zlib.tar.gz -o zlib.tar.gz
+download_file https://www.zlib.net/current/zlib.tar.gz zlib.tar.gz
 tar -xf zlib.tar.gz
 mv zlib-* zlib-latest
 cd zlib-latest
@@ -166,7 +176,7 @@ cd ..
 fi
 
 if [ ! -d libxcrypt-4.4.36 ]; then
-curl -L https://github.com/besser82/libxcrypt/releases/download/v4.4.36/libxcrypt-4.4.36.tar.xz -o libxcrypt.tar.xz
+download_file https://github.com/besser82/libxcrypt/releases/download/v4.4.36/libxcrypt-4.4.36.tar.xz libxcrypt.tar.xz
 tar -xf libxcrypt.tar.xz
 cd libxcrypt-4.4.36
 ./configure --prefix=${PREFIX} --disable-shared
@@ -176,7 +186,7 @@ cd ..
 fi
 
 if [ ! -d libpng-1.6.39 ]; then
-curl -L http://downloads.sourceforge.net/project/libpng/libpng16/1.6.39/libpng-1.6.39.tar.xz -o libpng.tar.gz
+download_file http://downloads.sourceforge.net/project/libpng/libpng16/1.6.39/libpng-1.6.39.tar.xz libpng.tar.gz
 tar -xf libpng.tar.gz
 cd libpng-1.6.39
 ./configure --prefix=${PREFIX} --disable-shared --with-zlib-prefix=${PREFIX}
@@ -188,7 +198,7 @@ cd ..
 fi
 
 if [ ! -d harfbuzz-8.3.0 ]; then
-curl -L https://github.com/harfbuzz/harfbuzz/releases/download/8.3.0/harfbuzz-8.3.0.tar.xz -o harfbuzz.tar.gz
+download_file https://github.com/harfbuzz/harfbuzz/releases/download/8.3.0/harfbuzz-8.3.0.tar.xz harfbuzz.tar.gz
 tar -xf harfbuzz.tar.gz
 cd harfbuzz-8.3.0
 ./configure --prefix=${PREFIX} --disable-shared
@@ -198,7 +208,7 @@ cd ..
 fi
 
 if [ ! -d freetype-2.13.2 ]; then
-curl -L https://download.savannah.gnu.org/releases/freetype/freetype-2.13.2.tar.gz -o freetype.tar.gz
+download_file https://download.savannah.gnu.org/releases/freetype/freetype-2.13.2.tar.gz freetype.tar.gz
 tar -xf freetype.tar.gz
 cd freetype-2.13.2
 ./configure --prefix=${PREFIX} --disable-shared --with-brotli=no
@@ -216,7 +226,7 @@ cd ..
 fi
 
 if [ ! -d tcl8.6.15 ]; then
-curl -L http://downloads.sourceforge.net/project/tcl/Tcl/8.6.15/tcl8.6.15-src.tar.gz -o tcl.tar.gz
+download_file http://downloads.sourceforge.net/project/tcl/Tcl/8.6.15/tcl8.6.15-src.tar.gz tcl.tar.gz
 tar -xf tcl.tar.gz
 cd tcl8.6.15/unix
 ./configure --prefix=${PREFIX} --enable-shared=no --enable-threads
@@ -226,7 +236,7 @@ cd ../..
 fi
 
 if [ ! -d expat-2.5.0 ]; then
-curl -L https://github.com/libexpat/libexpat/releases/download/R_2_5_0/expat-2.5.0.tar.gz -o expat.tar.gz
+download_file https://github.com/libexpat/libexpat/releases/download/R_2_5_0/expat-2.5.0.tar.gz expat.tar.gz
 tar -xf expat.tar.gz
 cd expat-2.5.0
 ./configure --prefix=${PREFIX} --disable-shared
@@ -236,7 +246,7 @@ cd ..
 fi
 
 if [ ! -d tk8.6.15 ]; then
-curl -L http://downloads.sourceforge.net/project/tcl/Tcl/8.6.15/tk8.6.15-src.tar.gz -o tk.tar.gz
+download_file http://downloads.sourceforge.net/project/tcl/Tcl/8.6.15/tk8.6.15-src.tar.gz tk.tar.gz
 tar -xf tk.tar.gz
 cd tk8.6.15/unix
 ./configure --prefix=${PREFIX} --enable-shared=no --enable-threads --with-tcl=${PREFIX}/lib --enable-aqua
@@ -246,7 +256,7 @@ cd ../..
 fi
 
 if [ ! -d mpdecimal-4.0.0 ]; then
-curl -L https://www.bytereef.org/software/mpdecimal/releases/mpdecimal-4.0.0.tar.gz -o mpdecimal.tar.gz
+download_file https://www.bytereef.org/software/mpdecimal/releases/mpdecimal-4.0.0.tar.gz mpdecimal.tar.gz
 tar -xf mpdecimal.tar.gz
 cd mpdecimal-4.0.0
 ./configure --prefix=${PREFIX} --disable-shared
@@ -256,7 +266,7 @@ cd ..
 fi
 
 if [ ! -d libb2-0.98.1 ]; then
-curl -L https://github.com/BLAKE2/libb2/releases/download/v0.98.1/libb2-0.98.1.tar.gz -o libb2.tar.gz
+download_file https://github.com/BLAKE2/libb2/releases/download/v0.98.1/libb2-0.98.1.tar.gz libb2.tar.gz
 tar -xf libb2.tar.gz
 cd libb2-0.98.1
 ./configure --prefix=${PREFIX} --disable-shared