Re-organizing the build script

dist/build.sh

@@ -1,5 +1,15 @@
 #!/bin/bash
 
+# Import GPG key
+gpg --import "$TRAVIS_BUILD_DIR/dist/gpg_key.priv"
+echo -e '%_gpg_name Jiri Tyr (PKG) <[email protected]>\n%dist .el7' > ~/.rpmmacros
+
+# Create RPM infrastructure
+mkdir -p ~/rpmbuild/SOURCES
+echo -e '#!/usr/bin/expect -f\nspawn rpmsign --key-id CA67951CD2BBE8AAE4210B72FB90C91F64BED28C --addsign {*}$argv\nexpect -exact "Enter pass phrase: "\nsend -- "\\r"\nexpect eof' > ~/rpm-sign.exp
+chmod +x ~/rpm-sign.exp
+
+# Archs to build for
 declare -a PLATFORMS=(
     'darwin/amd64'
     'linux/amd64'
@@ -11,11 +21,10 @@ declare -a PLATFORMS=(
 NAME='gbt'
 VER="${TRAVIS_TAG:1}"
 TMP="/tmp/$NAME"
-rm -fr "$TMP"
 
-gpg --import "$TRAVIS_BUILD_DIR/dist/gpg_key.priv"
-echo -e '%_gpg_name Jiri Tyr (PKG) <[email protected]>\n%dist .el7' > ~/.rpmmacros
+rm -fr "$TMP"
 
+# Process build for each arch
 for P in "${PLATFORMS[@]}"; do
     echo "### Building $P"
 
@@ -27,6 +36,7 @@ for P in "${PLATFORMS[@]}"; do
 
     mkdir -p "$PTMP"
 
+    # Compile GBT
     if [ "$ARCH" == "$ARM" ]; then
         GOOS="$OS" GOARCH="$ARCH" CGO_ENABLED=0 go build -ldflags='-s -w' -o "$PTMP/$NAME" github.com/jtyr/gbt/cmd/gbt
     else
@@ -36,12 +46,14 @@ for P in "${PLATFORMS[@]}"; do
         GOOS="$OS" GOARCH="$ARCH" GOARM="$ARM" CGO_ENABLED=0 go build -ldflags='-s -w' -o "$PTMP/$NAME" github.com/jtyr/gbt/cmd/gbt
     fi
 
+    # Create .tar.gz package
     (
         cp -r "$TRAVIS_BUILD_DIR"/{README.md,LICENSE,themes,sources} "$PTMP"
         tar -C "$PTMP/.." -czf "$TMP/$PKG" ./
         cd "$TMP"
     )
 
+    # Create Linux distro packages
     if [ "$OS" = 'linux' ]; then
         # DEB
         (
@@ -54,7 +66,8 @@ for P in "${PLATFORMS[@]}"; do
             fi
 
             cd "$TRAVIS_BUILD_DIR/contrib"
-            ln -sf "$PTMP" "$TRAVIS_BUILD_DIR/contrib/$NAME"
+            rm -f "$TRAVIS_BUILD_DIR/contrib/$NAME"
+            ln -s "$PTMP" "$TRAVIS_BUILD_DIR/contrib/$NAME"
             m4 -DVER="$VER" -DDATE="$(date '+%a, %d %b %Y %H:%M:%S %z')" debian/changelog.m4 > debian/changelog
             dpkg-buildpackage -a$DEBARCH -tc -b -kCA67951CD2BBE8AAE4210B72FB90C91F64BED28C
         )
@@ -63,20 +76,18 @@ for P in "${PLATFORMS[@]}"; do
 
         # RPM
         if [ "$ARCH" = 'amd64' ]; then
-            mkdir -p ~/rpmbuild/SOURCES
             ln -sf "$TMP/$PKG" ~/rpmbuild/SOURCES/
             (
                 cd "$TRAVIS_BUILD_DIR/contrib/redhat"
                 m4 -DVER="$VER" -DDATE="$(date '+%a %b %d %Y')" gbt.spec.m4 > gbt.spec
                 rpmbuild -bb gbt.spec
             )
-            echo -e '#!/usr/bin/expect -f\nspawn rpmsign --key-id CA67951CD2BBE8AAE4210B72FB90C91F64BED28C --addsign {*}$argv\nexpect -exact "Enter pass phrase: "\nsend -- "\\r"\nexpect eof' > ~/rpm-sign.exp
-            chmod +x ~/rpm-sign.exp
             ~/rpm-sign.exp ~/rpmbuild/RPMS/x86_64/*.rpm
             mv ~/rpmbuild/RPMS/x86_64/*.rpm "$TMP"
         fi
     fi
 done
 
+# Create checksums
 cd "$TMP"
 sha256sum *.tar.gz *.deb *.rpm | sort -k2 > "$NAME-$VER-checksums-sha256.txt"