Merge pull request rust-lang#3033 from rbtcollins/end-of-snap

Remove snapcraft build and runtime support entirely

.github/workflows/linux-builds-on-master.yaml

@@ -33,7 +33,8 @@ jobs:
           - target: armv7-unknown-linux-gnueabihf
             #snap_arch: armhf
     steps:
-      - uses: actions/checkout@v2
+      - name: Clone repo
+        uses: actions/checkout@v2
         with:
           # v2 defaults to a shallow checkout, but we need at least to the previous tag
           fetch-depth: 0
@@ -145,25 +146,6 @@ jobs:
           AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
           AWS_DEFAULT_REGION: us-west-1
         if: github.event_name == 'push' && github.ref == 'refs/heads/stable'
-      - name: Build a snapcraft configuration file
-        run: |
-          bash ci/snapcraft.bash
-        if: matrix.snap_arch != ''
-        env:
-          DO_SNAP: 1
-          SNAP_ARCH: ${{ matrix.snap_arch }}
-          SNAP_EDGE: 1 # skip-stable
-      - uses: snapcore/action-build@v1
-        id: snapcraftbuild
-        with:
-          path: snapcraft
-        if: matrix.snap_arch != ''
-      - uses: snapcore/action-publish@v1
-        with:
-          store_login: ${{ secrets.SNAPCRAFT_TOKEN }}
-          snap: ${{ steps.snapcraftbuild.outputs.snap }}
-          release: edge # skip-pr skip-stable
-        if: matrix.snap_arch != '' # skip-pr
       - name: Clear the cargo caches
         run: |
           cargo install cargo-cache --no-default-features --features ci-autoclean

.github/workflows/linux-builds-on-pr.yaml

@@ -26,7 +26,8 @@ jobs:
           - target: armv7-unknown-linux-gnueabihf
             #snap_arch: armhf
     steps:
-      - uses: actions/checkout@v2
+      - name: Clone repo
+        uses: actions/checkout@v2
         with:
           # v2 defaults to a shallow checkout, but we need at least to the previous tag
           fetch-depth: 0
@@ -138,24 +139,6 @@ jobs:
           AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
           AWS_DEFAULT_REGION: us-west-1
         if: github.event_name == 'push' && github.ref == 'refs/heads/stable'
-      - name: Build a snapcraft configuration file
-        run: |
-          bash ci/snapcraft.bash
-        if: matrix.snap_arch != ''
-        env:
-          DO_SNAP: 1
-          SNAP_ARCH: ${{ matrix.snap_arch }}
-          SNAP_EDGE: 1 # skip-stable
-      - uses: snapcore/action-build@v1
-        id: snapcraftbuild
-        with:
-          path: snapcraft
-        if: matrix.snap_arch != ''
-      - uses: snapcore/action-publish@v1
-        with:
-          store_login: ${{ secrets.SNAPCRAFT_TOKEN }}
-          snap: ${{ steps.snapcraftbuild.outputs.snap }}
-        if: matrix.snap_arch == 'not-for-prs' # skip-master skip-stable
       - name: Clear the cargo caches
         run: |
           cargo install cargo-cache --no-default-features --features ci-autoclean

.github/workflows/linux-builds-on-stable.yaml

@@ -56,7 +56,8 @@ jobs:
           - target: s390x-unknown-linux-gnu # skip-pr skip-master
             #snap_arch: s390x # skip-pr skip-master
     steps:
-      - uses: actions/checkout@v2
+      - name: Clone repo
+        uses: actions/checkout@v2
         with:
           # v2 defaults to a shallow checkout, but we need at least to the previous tag
           fetch-depth: 0
@@ -168,24 +169,6 @@ jobs:
           AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
           AWS_DEFAULT_REGION: us-west-1
         if: github.event_name == 'push' && github.ref == 'refs/heads/stable'
-      - name: Build a snapcraft configuration file
-        run: |
-          bash ci/snapcraft.bash
-        if: matrix.snap_arch != ''
-        env:
-          DO_SNAP: 1
-          SNAP_ARCH: ${{ matrix.snap_arch }}
-      - uses: snapcore/action-build@v1
-        id: snapcraftbuild
-        with:
-          path: snapcraft
-        if: matrix.snap_arch != ''
-      - uses: snapcore/action-publish@v1
-        with:
-          store_login: ${{ secrets.SNAPCRAFT_TOKEN }}
-          snap: ${{ steps.snapcraftbuild.outputs.snap }}
-          release: beta # skip-pr skip-master
-        if: matrix.snap_arch != '' # skip-pr
       - name: Clear the cargo caches
         run: |
           cargo install cargo-cache --no-default-features --features ci-autoclean

ci/actions-templates/linux-builds-template.yaml

@@ -64,7 +64,8 @@ jobs:
           - target: s390x-unknown-linux-gnu # skip-pr skip-master
             #snap_arch: s390x # skip-pr skip-master
     steps:
-      - uses: actions/checkout@v2
+      - name: Clone repo
+        uses: actions/checkout@v2
         with:
           # v2 defaults to a shallow checkout, but we need at least to the previous tag
           fetch-depth: 0
@@ -176,27 +177,6 @@ jobs:
           AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
           AWS_DEFAULT_REGION: us-west-1
         if: github.event_name == 'push' && github.ref == 'refs/heads/stable'
-      - name: Build a snapcraft configuration file
-        run: |
-          bash ci/snapcraft.bash
-        if: matrix.snap_arch != ''
-        env:
-          DO_SNAP: 1
-          SNAP_ARCH: ${{ matrix.snap_arch }}
-          SNAP_EDGE: 1 # skip-stable
-      - uses: snapcore/action-build@v1
-        id: snapcraftbuild
-        with:
-          path: snapcraft
-        if: matrix.snap_arch != ''
-      - uses: snapcore/action-publish@v1
-        with:
-          store_login: ${{ secrets.SNAPCRAFT_TOKEN }}
-          snap: ${{ steps.snapcraftbuild.outputs.snap }}
-          release: edge # skip-pr skip-stable
-          release: beta # skip-pr skip-master
-        if: matrix.snap_arch != '' # skip-pr
-        if: matrix.snap_arch == 'not-for-prs' # skip-master skip-stable
       - name: Clear the cargo caches
         run: |
           cargo install cargo-cache --no-default-features --features ci-autoclean

doc/src/basics.md

@@ -33,7 +33,7 @@ info: downloading self-updates
 If your `rustup` was built with the [no-self-update feature](https://github.com/rust-lang/rustup/blob/master/Cargo.toml#L25), it can not update
 itself. This is not the default, and only versions of `rustup` built with
 `--no-default-features`, or obtained from a third-party distributor who has
-disabled it (such as the Ubuntu snap store).
+disabled it (such as Nixos).
 
 Otherwise Rustup can update itself. It is possible to control Rustup's automatic
 self update mechanism with the `auto-self-update` configuration variable. This

src/cli/common.rs

@@ -292,23 +292,6 @@ pub(crate) fn self_update_permitted(explicit: bool) -> Result<SelfUpdatePermissi
         Ok(SelfUpdatePermission::Permit)
     } else {
         // Detect if rustup is not meant to self-update
-        match process().var("SNAP") {
-            Ok(_) => {
-                // We're running under snappy so don't even bother
-                // trying to self-update
-                // TODO: Report this to the user?
-                // TODO: Maybe ask snapd if there's an update and report
-                //       that to the user instead?
-                debug!("Skipping self-update because SNAP was detected");
-                if explicit {
-                    return Ok(SelfUpdatePermission::HardFail);
-                } else {
-                    return Ok(SelfUpdatePermission::Skip);
-                }
-            }
-            Err(env::VarError::NotPresent) => {}
-            Err(e) => return Err(e).context("Could not interrogate SNAP environment variable"),
-        }
         let current_exe = env::current_exe()?;
         let current_exe_dir = current_exe.parent().expect("Rustup isn't in a directory‽");
         if let Err(e) = tempfile::Builder::new()

src/cli/self_update/test.rs

@@ -29,7 +29,7 @@ fn restore_path(p: Option<RegValue>) {
         .open_subkey_with_flags("Environment", KEY_READ | KEY_WRITE)
         .unwrap();
     if let Some(p) = p.as_ref() {
-        environment.set_raw_value("PATH", &p).unwrap();
+        environment.set_raw_value("PATH", p).unwrap();
     } else {
         let _ = environment.delete_value("PATH");
     }