put shebang in scripts

packages/dropbear/build.sh

@@ -12,7 +12,8 @@ TERMUX_PKG_EXTRA_MAKE_ARGS="MULTI=1"
 TERMUX_PKG_BUILD_IN_SRC="yes"
 
 termux_step_create_debscripts () {
-        echo "mkdir -p $TERMUX_PREFIX/etc/dropbear" >> postinst
+        echo "#!$TERMUX_PREFIX/bin/sh" > postinst
+	echo "mkdir -p $TERMUX_PREFIX/etc/dropbear" >> postinst
         echo "for a in rsa dss ecdsa; do" >> postinst
         echo "    KEYFILE=$TERMUX_PREFIX/etc/dropbear/dropbear_\${a}_host_key" >> postinst
         echo "    test ! -f \$KEYFILE && dropbearkey -t \$a -f \$KEYFILE" >> postinst

packages/graphviz/build.sh

@@ -43,7 +43,8 @@ termux_step_post_make_install() {
 }
 
 termux_step_create_debscripts () {
-	echo "dot -c" > postinst
+	echo "#!$TERMUX_PREFIX/bin/sh" > postinst
+	echo "dot -c" >> postinst
 	echo "exit 0" >> postinst
 	chmod 0755 postinst
 }

packages/man/build.sh

@@ -24,7 +24,8 @@ termux_step_pre_configure () {
 
 termux_step_create_debscripts () {
 	echo "interest-noawait $TERMUX_PREFIX/share/man" > triggers
-
-	echo "makewhatis -Q" > postinst
+	
+	echo "#!$TERMUX_PREFIX/bin/sh" >> postinst
+	echo "makewhatis -Q" >> postinst
 	echo "exit 0" >> postinst
 }

packages/mlocate/build.sh

@@ -10,7 +10,8 @@ termux_step_pre_configure() {
 }
 
 termux_step_create_debscripts () {
-        echo "mkdir -p $TERMUX_PREFIX/var/mlocate/" > postinst
+	echo "#!$TERMUX_PREFIX/bin/sh" > postinst
+	echo "mkdir -p $TERMUX_PREFIX/var/mlocate/" >> postinst
         echo "exit 0" >> postinst
         chmod 0755 postinst
 }

packages/mpd/build.sh

@@ -59,5 +59,6 @@ termux_step_make_install () {
 }
 
 termux_step_create_debscripts() {
+	echo "#!$TERMUX_PREFIX/bin/sh" > postinst
 	echo 'mkdir -p $HOME/.mpd/playlists' >> postinst
 }

packages/openssh/build.sh

@@ -70,7 +70,8 @@ termux_step_post_make_install () {
 }
 
 termux_step_create_debscripts () {
-	echo "mkdir -p \$HOME/.ssh" > postinst
+	echo "#!$TERMUX_PREFIX/bin/sh" > postinst
+	echo "mkdir -p \$HOME/.ssh" >> postinst
 	echo "touch \$HOME/.ssh/authorized_keys" >> postinst
 	echo "chmod 700 \$HOME/.ssh" >> postinst
 	echo "chmod 600 \$HOME/.ssh/authorized_keys" >> postinst

packages/python/build.sh

@@ -70,7 +70,8 @@ termux_step_post_massage () {
 
 termux_step_create_debscripts () {
 	## POST INSTALL:
-	echo 'echo "Setting up pip..."' > postinst
+	echo "#!$TERMUX_PREFIX/bin/sh" > postinst
+	echo 'echo "Setting up pip..."' >> postinst
 	# Fix historical mistake which removed bin/pip but left site-packages/pip-*.dist-info,
 	# which causes ensurepip to avoid installing pip due to already existing pip install:
 	echo "if [ ! -f $TERMUX_PREFIX/bin/pip -a -d $TERMUX_PREFIX/lib/python${_MAJOR_VERSION}/site-packages/pip-*.dist-info ]; then rm -Rf $TERMUX_PREFIX/lib/python${_MAJOR_VERSION}/site-packages/pip-*.dist-info ; fi" >> postinst
@@ -78,8 +79,9 @@ termux_step_create_debscripts () {
 	echo "$TERMUX_PREFIX/bin/python -m ensurepip --upgrade --default-pip" >> postinst
 
 	## PRE RM:
-	# Avoid running on update:
-	echo 'if [ $1 != "remove" ]; then exit 0; fi' > prerm
+	# Avoid running on update
+	echo "#!$TERMUX_PREFIX/bin/sh" > prerm:
+	echo 'if [ $1 != "remove" ]; then exit 0; fi' >> prerm
 	# Uninstall everything installed through pip:
 	echo "pip freeze 2> /dev/null | xargs pip uninstall -y > /dev/null 2> /dev/null" >> prerm
 	# Cleanup __pycache__ folders:

packages/python2/build.sh

@@ -77,7 +77,8 @@ termux_step_post_massage () {
 
 termux_step_create_debscripts () {
 	## POST INSTALL:
-	echo "echo 'Setting up pip2...'" > postinst
+	echo "#!$TERMUX_PREFIX/bin/sh" > postinst
+	echo "echo 'Setting up pip2...'" >> postinst
 	# Fix historical mistake which removed bin/pip2 but left site-packages/pip-*.dist-info,
 	# which causes ensurepip to avoid installing pip due to already existing pip install:
 	echo "if [ ! -f $TERMUX_PREFIX/bin/pip2 -a -d $TERMUX_PREFIX/lib/python${_MAJOR_VERSION}/site-packages/pip-*.dist-info ]; then rm -Rf $TERMUX_PREFIX/lib/python${_MAJOR_VERSION}/site-packages/pip-*.dist-info ; fi" >> postinst
@@ -85,8 +86,9 @@ termux_step_create_debscripts () {
 	echo "$TERMUX_PREFIX/bin/python2 -m ensurepip --upgrade --no-default-pip" >> postinst
 
 	## PRE RM:
-	# Avoid running on update:
-	echo 'if [ $1 != "remove" ]; then exit 0; fi' > prerm
+	# Avoid running on update
+	echo "#!$TERMUX_PREFIX/bin/sh" > prerm:
+	echo 'if [ $1 != "remove" ]; then exit 0; fi' >> prerm
 	# Uninstall everything installed through pip:
 	echo "pip2 freeze 2> /dev/null | xargs pip2 uninstall -y > /dev/null 2> /dev/null" >> prerm
 	# Cleanup __pycache__ folders

packages/texlive/build.sh

@@ -56,15 +56,17 @@ termux_step_make() {
 
 termux_step_create_debscripts () {
 	# Clean texlive's folder if needed (run on upgrade)
-	echo "if [ ! -f $TERMUX_PREFIX/opt/texlive/2016/install-tl -a ! -f $TERMUX_PREFIX/opt/texlive/2017/install-tl ]; then exit 0; else echo 'Removing residual files from old version of TeX Live for Termux'; fi" > preinst
+	echo "#!$TERMUX_PREFIX/bin/sh" > preinst
+	echo "if [ ! -f $TERMUX_PREFIX/opt/texlive/2016/install-tl -a ! -f $TERMUX_PREFIX/opt/texlive/2017/install-tl ]; then exit 0; else echo 'Removing residual files from old version of TeX Live for Termux'; fi" >> preinst
 	echo "rm -rf $TERMUX_PREFIX/etc/profile.d/texlive.sh" >> preinst
 	echo "rm -rf $TERMUX_PREFIX/opt/texlive/2016" >> preinst
 	# Let's not delete the previous texmf-dist so that people who have installed a full distribution won't need to download everything again
 	echo "rm -rf $TERMUX_PREFIX/opt/texlive/2017/!(texmf-dist)" >> preinst
 	echo "exit 0" >> preinst
 	chmod 0755 preinst
-
-	echo "mkdir -p $TL_ROOT/{tlpkg/{backups,tlpobj},texmf-var/{web2c,tex/generic/config}}" > postinst
+	
+	echo "#!$TERMUX_PREFIX/bin/sh" > postinst
+	echo "mkdir -p $TL_ROOT/{tlpkg/{backups,tlpobj},texmf-var/{web2c,tex/generic/config}}" >> postinst
 	echo "export PATH=\$PATH:$TL_BINDIR" >> postinst
 	echo "echo Updating tlmgr" >> postinst
 	echo "tlmgr update --self" >> postinst
@@ -84,7 +86,8 @@ termux_step_create_debscripts () {
 	chmod 0755 postinst
 
 	# Remove all files installed through tlmgr on removal
-	echo 'if [ $1 != "remove" ]; then exit 0; fi' > prerm
+	echo "#!$TERMUX_PREFIX/bin/sh" > prerm
+	echo 'if [ $1 != "remove" ]; then exit 0; fi' >> prerm
 	#echo "tlmgr remove --dry-run "
 	echo "echo Running texlinks --unlink" >> prerm
 	echo "texlinks --unlink" >> prerm

packages/zsh/build.sh

@@ -44,7 +44,8 @@ termux_step_post_make_install () {
 
 termux_step_create_debscripts () {
 	# For already installed packages:
-	echo "chmod 700 $TERMUX_PREFIX/share/zsh" > postinst
+	echo "#!$TERMUX_PREFIX/bin/sh" > postinst
+	echo "chmod 700 $TERMUX_PREFIX/share/zsh" >> postinst
 	echo "exit 0" >> postinst
 	chmod 0755 postinst
 }