Add snippets for Dockerfile, Fish shell, JavaScript, Perl, and Org

snippets/dockerfile-mode/alpine-dockerize

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+# -*- mode: snippet -*-
+# name: dockerize for Alpine Images
+# key: alpine-dockerize
+# expand-env: ((yas-indent-line 'fixed) (yas-wrap-around-region nil))
+# --
+ENV DOCKERIZE_VERSION ${1:v0.6.1}
+
+RUN apk update && \
+  apk --no-cache add openssl && \
+  wget https://github.com/jwilder/dockerize/releases/download/\${DOCKERIZE_VERSION}/dockerize-alpine-linux-amd64-\${DOCKERIZE_VERSION}.tar.gz && \
+  tar -C /usr/local/bin -xzvf dockerize-alpine-linux-amd64-\${DOCKERIZE_VERSION}.tar.gz && \
+  rm dockerize-alpine-linux-amd64-\${DOCKERIZE_VERSION}.tar.gz

snippets/fish-mode/bang

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+# -*- mode: snippet -*-
+# name: bang
+# key: !
+# --
+#!/usr/bin/env fish
+$0

snippets/fish-mode/block

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+# -*- mode: snippet -*-
+# name: begin ... end
+# key: block
+# --
+begin
+    $0
+end

snippets/fish-mode/bp

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+# -*- mode: snippet -*-
+# name: breakpoint
+# key: bp
+# --
+breakpoint
+$0

snippets/fish-mode/for

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+# -*- mode: snippet -*-
+# name: for loop
+# key: for
+# --
+for ${1:var} in ${2:stuff}
+    $0
+end

snippets/fish-mode/function

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+# -*- mode: snippet -*-
+# name: function
+# key: function
+# --
+function ${1:name}
+    $0
+end

snippets/fish-mode/if

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+# -*- mode: snippet -*-
+# name: if ... end
+# key: if
+# --
+if ${1:[ -f file ]}
+    ${2:do}
+end
+$0

snippets/fish-mode/ife

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+# -*- mode: snippet -*-
+# name: if ... ... else ... end
+# key: ife
+# --
+if ${1:cond}
+    ${2:stuff}
+else
+    ${3:other}
+end
+$0

snippets/fish-mode/sw

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+# -*- mode: snippet -*-
+# name: switch
+# key: sw
+# --
+switch ${1:condition}
+    case ${2:*}
+         ${0}
+end

snippets/fish-mode/while

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+# -*- mode: snippet -*-
+# name: while loop
+# key: while
+# --
+while ${1:cond}
+    $0
+end

snippets/js-mode/flow

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+# -*- mode: snippet -*-
+# name: /* @flow */
+# key: flow
+# --
+/* @flow */

snippets/org-mode/src

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+# -*- mode: snippet -*-
+# name: src
+# key: <src
+# --
+#+BEGIN_SRC $1
+  $0
+#+END_SRC

snippets/perl-mode/bang

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+# -*- mode: snippet -*-
+# name: bang
+# key: !
+# --
+#!/usr/bin/env perl
+$0

snippets/perl-mode/enc

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+# -*- mode: snippet -*-
+# name: encoding
+# key: enc
+# --
+binmode STDOUT, ':encoding(UTF-8)';
+binmode STDERR, ':encoding(UTF-8)';
+$0

snippets/perl-mode/strict

@@ -1,9 +1,8 @@
 # -*- mode: snippet -*-
-# name: use
-# key: use_
+# name: strict
+# key: strict
 # contributor: Spenser Truex
 # --
-#!/usr/bin/perl
 use warnings;
 use strict;
 $0