diff --git a/.travis.yml b/.travis.yml
index 25765bb7..f624cdc4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,10 +13,10 @@ before_script:
 - export RUST_BACKTRACE=full
 script:
 - cargo clean
-- if [ "$TRAVIS_PULL_REQUEST" = "true" ]; then cargo build; fi
-- if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then docker run --rm -v $PWD:/volume -w /volume -t clux/muslrust cargo build --release; fi
-- if [ "$TRAVIS_PULL_REQUEST" = "true" ]; then cargo test; fi
-- if [ "$TRAVIS_PULL_REQUEST" = "true" ]; then cargo doc --no-deps; fi
+- if [ "$TRAVIS_EVENT_TYPE" = "pull_request" ]; then cargo build; fi
+- if [ "$TRAVIS_EVENT_TYPE" = "push" ]; then docker run --rm -v $PWD:/volume -w /volume -t clux/muslrust cargo build --release; fi
+- if [ "$TRAVIS_EVENT_TYPE" = "pull_request" ]; then cargo test; fi
+- if [ "$TRAVIS_EVENT_TYPE" = "pull_request" ]; then cargo doc --no-deps; fi
 notifications:
   email:
     on_success: change
@@ -41,7 +41,7 @@ deploy:
   api_key:
     secure: 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
 after_script: |
-  if [ "$TRAVIS_PULL_REQUEST" = "false" ] && [[ "$TRAVIS_RUST_VERSION" == stable ]]; then
+  if [ "$TRAVIS_EVENT_TYPE" = "push" ] && [[ "$TRAVIS_RUST_VERSION" == stable ]]; then
     bash <(curl -sSL https://raw.githubusercontent.com/xd009642/tarpaulin/master/travis-install.sh)
     sudo chown -R $USER:$USER target
     cargo tarpaulin --ciserver travis-ci --coveralls $TRAVIS_JOB_ID
diff --git a/lal.complete.sh b/lal.complete.sh
index 6b0eedf6..bce61533 100644
--- a/lal.complete.sh
+++ b/lal.complete.sh
@@ -7,7 +7,7 @@ _lal()
 
     local -r subcommands="build clean configure export fetch help init script run ls
                           query remove rm shell stash save status update upgrade verify
-                          publish env list-components list-dependencies
+                          publish env list-components list-supported-environments list-dependencies
                           list-environments list-configurations propagate"
 
     local has_sub
@@ -77,7 +77,7 @@ _lal()
                 [[ $in_lal_repo ]] || return 0
                 local -r env_subs="set reset update help -h --help"
                 if [[ $prev = "set" ]]; then
-                    local -r envs="$(lal list-environments)"
+                    local -r envs="$(lal list-supported-environments)"
                     COMPREPLY=($(compgen -W "$envs" -- "$cur"))
                 else
                     COMPREPLY=($(compgen -W "$env_subs" -- "$cur"))
diff --git a/src/list.rs b/src/list.rs
index fdac4d0e..cf1534c5 100644
--- a/src/list.rs
+++ b/src/list.rs
@@ -11,6 +11,14 @@ pub fn buildables(manifest: &Manifest) -> LalResult<()> {
     Ok(())
 }
 
+/// Print the supported environments from the `Manifest`
+pub fn supported_environments(manifest: &Manifest) -> LalResult<()> {
+    for env in &manifest.supportedEnvironments {
+        println!("{}", env);
+    }
+    Ok(())
+}
+
 /// Print the available configurations for a buildable Component
 pub fn configurations(component: &str, manifest: &Manifest) -> LalResult<()> {
     let component_settings = match manifest.components.get(component) {
diff --git a/src/main.rs b/src/main.rs
index f1bbcbf8..7dab4c2b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -64,6 +64,8 @@ fn handle_environment_agnostic_cmds(args: &ArgMatches, mf: &Manifest, backend: &
                     a.is_present("time"))
     } else if args.subcommand_matches("list-components").is_some() {
         lal::list::buildables(mf)
+    } else if args.subcommand_matches("list-supported-environments").is_some() {
+        lal::list::supported_environments(mf)
     } else if let Some(a) = args.subcommand_matches("list-configurations") {
         lal::list::configurations(a.value_of("component").unwrap(), mf)
     } else if let Some(a) = args.subcommand_matches("list-dependencies") {
@@ -508,6 +510,9 @@ fn main() {
         .subcommand(SubCommand::with_name("list-components")
             .setting(AppSettings::Hidden)
             .about("list components that can be used with lal build"))
+        .subcommand(SubCommand::with_name("list-supported-environments")
+            .setting(AppSettings::Hidden)
+            .about("list supported environments from the manifest"))
         .subcommand(SubCommand::with_name("list-environments")
             .setting(AppSettings::Hidden)
             .about("list environments that can be used with lal build"))