dotfiles

commit 936b80cff9f92c8f143283e675512a6c67085e83
parent 59fc89f577226f8f663aa16be5cb72c9ed3dc9de
Author: Anders Damsgaard <anders@adamsgaard.dk>
Date:   Thu, 14 Mar 2019 14:57:24 +0100

Add fast and simple shell plugin manager `fffs`

Diffstat:
A
links/bin/fffs
 | 
149
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 149 insertions(+), 0 deletions(-)
diff --git a/links/bin/fffs b/links/bin/fffs
@@ -0,0 +1,149 @@
+#!/usr/bin/env bash
+
+set -e
+#set -v
+
+version='0.1.0'
+
+confsubdir=".config/fffs"
+confdir="$HOME/$confsubdir"
+plugindir="$confdir/lib"
+pluginfile="$confdir/plugins"
+
+function show_help {
+    echo "${0##*/} is a fast and simple manager for shell plugins"
+    echo "usage: ${0##*/} [OPTIONS] SHELL OPERATION"
+    echo "where SHELL can be 'bash' or 'zsh'."
+    echo "Valid COMMANDS are:"
+    echo "    init           clone repositories specified in pluginfile"
+    echo "    clean          remove all local plugin content"
+    echo "    update         update all local plugin content"
+    echo "OPTIONS are one or more of the following:"
+    echo "    -h, --help     show this message"
+    echo "    -v, --version  show version and license information"
+    echo "Set the plugin sources in $pluginfile-zsh or $pluginfile-bash"
+    echo
+    echo "Add the generated sources file in the shell-rc file. For ~/.zshrc:"
+    echo "    if [ -f \"\$HOME/.config/fffs/lib/zsh/sources\" ]; then"
+    echo "        . \"\$HOME/.config/fffs/lib/zsh/sources\""
+    echo "    else"
+    echo "        fffs zsh init"
+    echo "        . \"\$HOME/.config/fffs/lib/zsh/sources\""
+    echo "    fi"
+}
+
+function show_version {
+    echo "${0##*/} version $version"
+    echo "Licensed under the GNU Public License, v3+"
+    echo "written by Anders Damsgaard, anders@adamsgaard.dk"
+    echo "https://gitlab.com/admesg/fffs"
+}
+
+function die {
+    printf '%s\n' "$1" >&2
+    exit 1
+}
+
+function clone_repositories {
+    if [[ ! -f "$pluginfile-$shell" ||
+        $(wc -l <"$pluginfile-$shell") -lt 1 ]]; then
+        (>&2 echo "No plugins specified in $pluginfile-$shell" )
+    fi
+
+    # loop over all repositories in $configfile, and clone them if they do not
+    # exist in $plugindir
+    while read -r line; do
+        target="$plugindir/$shell/${line##*/}"
+        if [[ -d "$target" ]]; then
+            echo "$target already exists, skipping."
+        else
+            echo "$line > $target"
+            git clone "$line" "$target"
+        fi
+    done < "$pluginfile-$shell"
+}
+
+function update_repositories {
+    [[ ! -d "$plugindir/$shell" ]] && return
+
+    for dir in "$plugindir/$shell"/*/; do
+        echo "Updating $dir..."
+        (cd "$dir" && git pull)
+    done
+    init_sources
+}
+
+function check_if_source_in_shellrc {
+    if ! grep -r "$confsubdir/lib/$shell/sources" "$HOME/.${shell}rc" \
+        >/dev/null 2>&1; then
+        echo
+        echo "Make sure to source the following line in your ~/.${shell}rc:"
+        echo "  $plugindir/$shell/sources"
+    fi
+}
+
+function init_sources {
+    echo "Generating source file $plugindir/$shell/sources"
+    echo "#!/usr/bin/env $shell" > "$plugindir/$shell/sources"
+    find "$plugindir/$shell/" -maxdepth 2 -type f -iname '*.zsh' \
+        | sed 's/^/. /' >> "$plugindir/$shell/sources"
+
+    check_if_source_in_shellrc
+}
+
+function init {
+    clone_repositories
+    init_sources
+}
+
+function clean {
+    echo rm -rf "$plugindir"
+    rm -rf "$plugindir"
+}
+
+
+## Parse command-line arguments
+
+[[ $# -lt 1 ]] && (show_help && exit 1)
+
+shell=""
+while :; do
+    case "$1" in
+        zsh)
+            shell='zsh'
+            ;;
+        bash)
+            shell='bash'
+            ;;
+        init)
+            [[ "$shell" == "" ]] && die 'Error: No SHELL specified'
+            (init && exit 0)
+            ;;
+        update)
+            [[ "$shell" == "" ]] && die 'Error: No SHELL specified'
+            (update_repositories && exit 0)
+            ;;
+        upgrade)
+            die 'Did you mean "update"?'
+            ;;
+        clean)
+            [[ "$shell" == "" ]] && die 'Error: No SHELL specified'
+            (clean && exit 0)
+            ;;
+        clear)
+            die 'Did you mean "clean"?'
+            ;;
+        -h|-\?|--help)
+            (show_help && exit 0)
+            ;;
+        -v|--version)
+            (show_version && exit 0)
+            ;;
+        -?*)
+            die 'Error: Unknown option specified'
+            ;;
+        *)  # No more options
+            break
+    esac
+    shift
+done