Change plugins to not do anything if tool isn't available

Don't even echo error messages, simply skip the plugin to do anything
when the respective tool(s) isn't available on the system.

diff --git a/plugins/5_dev_env/5_dev_env.plugin.zsh b/plugins/5_dev_env/5_dev_env.plugin.zsh
index 2977ff87e2ead1d09d2e7e48382ceb86a19f963a..9e4cd26f62c606be52e7903796c5d231d55eaf64 100644 (file)
--- a/plugins/5_dev_env/5_dev_env.plugin.zsh
+++ b/plugins/5_dev_env/5_dev_env.plugin.zsh
@@ -15,10 +15,14 @@ done
 unset ssh_wrapper
 
 # pip
-export PIP_REQUIRE_VIRTUALENV="true"
+if (( $+commands[pip] )); then
+       export PIP_REQUIRE_VIRTUALENV="true"
+fi
 
 # virtualenv[wrapper]
-export WORKON_HOME="$XDG_CACHE_HOME/virtualenvs"
-[ -d "$LOCAL_HOME/Develop" ] \
-        && export PROJECT_HOME="$LOCAL_HOME/Develop" \
-        || export PROJECT_HOME="$HOME/Develop"
+if (( $+commands[virtualenv] )); then
+       export WORKON_HOME="$XDG_CACHE_HOME/virtualenvs"
+       [ -d "$LOCAL_HOME/Develop" ] \
+               && export PROJECT_HOME="$LOCAL_HOME/Develop" \
+               || export PROJECT_HOME="$HOME/Develop"
+fi

diff --git a/plugins/boot2docker/boot2docker.plugin.zsh b/plugins/boot2docker/boot2docker.plugin.zsh
index 9813acdb487943a97b10475169cf3d531f3fb281..8a63173ea4d893769fbfce2acb185391e72f790d 100644 (file)
--- a/plugins/boot2docker/boot2docker.plugin.zsh
+++ b/plugins/boot2docker/boot2docker.plugin.zsh
@@ -1,8 +1,10 @@
 # boot2docker.plugin.zsh
 
-boot2docker status | fgrep "running" >/dev/null
-if [ $? -eq 0 ]; then
-       # boot2docker VM is running
-       eval `boot2docker shellinit 2>/dev/null`
-       DOCKER_HOST_IPA=${(z)${(s.:.)DOCKER_HOST#tcp://}[1]}
+if (( $+commands[boot2docker] )); then
+       boot2docker status | fgrep "running" >/dev/null
+       if [ $? -eq 0 ]; then
+               # boot2docker VM is running
+               eval `boot2docker shellinit 2>/dev/null`
+               DOCKER_HOST_IPA=${(z)${(s.:.)DOCKER_HOST#tcp://}[1]}
+       fi
 fi

diff --git a/plugins/keychain/keychain.plugin.zsh b/plugins/keychain/keychain.plugin.zsh
index c1c6fbbc20a104e080340ce03e46eaaa53a2e9c5..e01f9ae6cf0881f4aae0ef6fb36ec9ec05f29a35 100644 (file)
--- a/plugins/keychain/keychain.plugin.zsh
+++ b/plugins/keychain/keychain.plugin.zsh
@@ -1,3 +1,5 @@
 # keychain.plugin.zsh
 
-eval $(keychain --agents ssh --eval --quick --quiet)
+if (( $+commands[keychain] )); then
+       eval $(keychain --agents ssh --eval --quick --quiet)
+fi

diff --git a/plugins/thefuck/thefuck.plugin.zsh b/plugins/thefuck/thefuck.plugin.zsh
index 4042544c7173256d1ec4c3e02f84621d6aa6812a..754d342168bb94615b0d5f50fa717736c30150ba 100644 (file)
--- a/plugins/thefuck/thefuck.plugin.zsh
+++ b/plugins/thefuck/thefuck.plugin.zsh
@@ -1,3 +1,5 @@
 # thefuck.plugin.zsh
 
-alias fuck='eval $(thefuck $(fc -ln -1 | tail -n 1)); fc -R'
+if (( $+commands[thefuck] )); then
+       alias fuck='eval $(thefuck $(fc -ln -1 | tail -n 1)); fc -R'
+fi