contrib: rename some shell scripts to have ".sh" extension

The extension gives formatting hints to some editors. (especially if they support .editorconfig)

.cirrus.yml

@@ -177,7 +177,7 @@ task:
     cpu: 2
     memory: 2G
   build_script:
-    - ./contrib/android/make_apk kivy arm64-v8a debug
+    - ./contrib/android/make_apk.sh kivy arm64-v8a debug
   binaries_artifacts:
     path: "dist/*"
 
@@ -190,7 +190,7 @@ task:
   install_script:
     - git fetch --all --tags
   build_script:
-    - ./contrib/osx/make_osx
+    - ./contrib/osx/make_osx.sh
   sum_script:
     - ls -lah dist
     - shasum -a 256 dist/*.dmg

contrib/add_cosigner

@@ -8,7 +8,7 @@
 # - BUILDER creates a PR against https://github.com/spesmilo/electrum-signatures/
 #   to add their sigs for a given release, which then gets merged
 # - SFTPUSER runs `$ electrum/contrib/add_cosigner $BUILDER`
-# - SFTPUSER runs `$ SSHUSER=$SFTPUSER electrum/contrib/upload`
+# - SFTPUSER runs `$ SSHUSER=$SFTPUSER electrum/contrib/upload.sh`
 # - SFTPUSER runs `$ electrum/contrib/make_download $WWW_DIR`
 # -     $ (cd $WWW_DIR; git commit -a -m "add_cosigner"; git push)
 # - SFTPUSER runs `$ electrum-web/publish.sh $SFTPUSER`

contrib/android/Readme.md

@@ -40,7 +40,7 @@ repository.
    Make sure you don't build in `debug` mode,
    instead use either of `release` or `release-unsigned`.
    If you build in `release` mode, the apk will be signed, which requires a keystore
-   that you need to create manually (see source of `make_apk` for an example).
+   that you need to create manually (see source of `make_apk.sh` for an example).
 2. Note that the binaries are not going to be byte-for-byte identical, as the official
    release is signed by a keystore that only the project maintainers have.
    You can use the `apkdiff.py` python script (written by the Signal developers) to compare
@@ -102,7 +102,7 @@ If you just follow the instructions above, you will build the apk
 in debug mode. The most notable difference is that the apk will be
 signed using a debug keystore. If you are planning to upload
 what you build to e.g. the Play Store, you should create your own
-keystore, back it up safely, and run `./contrib/make_apk release`.
+keystore, back it up safely, and run `./contrib/make_apk.sh release`.
 
 See e.g. [kivy wiki](https://github.com/kivy/kivy/wiki/Creating-a-Release-APK)
 and [android dev docs](https://developer.android.com/studio/build/building-cmdline#sign_cmdline).

contrib/android/build.sh

@@ -74,7 +74,7 @@ docker run -it --rm \
     $DOCKER_RUN_FLAGS \
     --workdir /home/user/wspace/electrum \
     electrum-android-builder-img \
-    ./contrib/android/make_apk "$@"
+    ./contrib/android/make_apk.sh "$@"
 
 # make sure resulting binary location is independent of fresh_clone
 if [ ! -z "$ELECBUILD_COMMIT" ] ; then

contrib/android/make_apk.sh

@@ -15,7 +15,7 @@ LOCALE="$PROJECT_ROOT"/electrum/locale/
 export ELEC_APK_GUI=$1
 
 if [ ! -d "$PACKAGES" ]; then
-  "$CONTRIB"/make_packages || fail "make_packages failed"
+  "$CONTRIB"/make_packages.sh || fail "make_packages failed"
 fi
 
 pushd "$PROJECT_ROOT"

contrib/build-linux/sdist/make_sdist.sh

@@ -16,12 +16,12 @@ python3 --version || fail "python interpreter not found"
 break_legacy_easy_install
 
 # upgrade to modern pip so that it knows the flags we need.
-# (make_packages will later install a pinned version of pip in a venv)
+# (make_packages.sh will later install a pinned version of pip in a venv)
 python3 -m pip install --upgrade pip
 
 rm -rf "$PROJECT_ROOT/packages/"
 if ([ "$OMIT_UNCLEAN_FILES" != 1 ]); then
-  "$CONTRIB"/make_packages || fail "make_packages failed"
+  "$CONTRIB"/make_packages.sh || fail "make_packages failed"
 fi
 
 git submodule update --init

contrib/osx/README.md

@@ -103,17 +103,17 @@ $ hdiutil detach "/Volumes/Command Line Developer Tools"
 #### 2. Build Electrum
 
     cd electrum
-    ./contrib/osx/make_osx
+    ./contrib/osx/make_osx.sh
 
 This creates both a folder named Electrum.app and the .dmg file.
 
 If you want the binaries codesigned for MacOS and notarised by Apple's central server,
-provide these env vars to the `make_osx` script:
+provide these env vars to the `make_osx.sh` script:
 
     CODESIGN_CERT="Developer ID Application: Electrum Technologies GmbH (L6P37P7P56)" \
     APPLE_ID_USER="me@email.com" \
     APPLE_ID_PASSWORD="1234" \
-    ./contrib/osx/make_osx
+    ./contrib/osx/make_osx.sh
 
 
 ## Verifying reproducibility and comparing against official binary

contrib/release.sh

@@ -240,7 +240,7 @@ if [ -z "$RELEASEMANAGER" ] ; then
         gpg --sign --armor --detach $PUBKEY --output "$PROJECT_ROOT/dist/sigs/$signame" "$fname"
     done
     # upload sigs
-    ELECBUILD_UPLOADFROM="$PROJECT_ROOT/dist/sigs/" "$CONTRIB/upload"
+    ELECBUILD_UPLOADFROM="$PROJECT_ROOT/dist/sigs/" "$CONTRIB/upload.sh"
 
 else
     # ONLY release manager
@@ -262,7 +262,7 @@ else
     if test -f dist/uploaded; then
         info "files already uploaded"
     else
-        ./contrib/upload
+        ./contrib/upload.sh
         touch dist/uploaded
     fi