void-packages/srcpkgs/gogs/files/gopm-lite

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#!/bin/sh
# gopm-lite
# a shell script to download, extract, and link
# dependencies from a .gopmfile
# requirements: curl, coreutils
# Needed environment variables:
# GOPATH - packages will be linked to $GOPATH/src/
# GOPMSTORE - where to store downloaded packages
# Optional environment variables
# MAXDEPTH - Maximum amount of attempts to recurse
# and download all packages
# Defaults to 5
# Needed arguments:
# 1 - path to a .gopmfile
if [ -z "$GOPATH" -o -z "$GOPMSTORE" ]; then
printf 'Need the following environment variables defined:\n'
printf 'GOPATH\n'
printf 'GOPMSTORE\n'
exit 1
fi
if [ -z "$1" ]; then
printf 'Usage: %s /path/to/.gopmfile\n' "$0"
exit 1
fi
if [ -z "$MAXDEPTH" ]; then
MAXDEPTH=5
fi
export MAXDEPTH
export GOPATH
export GOPMSTORE
mkdir -p "${GOPATH}/src"
mkdir -p "${GOPMSTORE}/archives"
mkdir -p "${GOPMSTORE}/repos"
indeps=""
curdepth=0
download_and_link() {
local gopmfile=$1
local extracted_counter=0
printf 'Downloading deps for %s\n' "$gopmfile" 1>&2
while read line; do
if [ "$line" = "[deps]" ]; then
indeps="deps"
continue
fi
if [ -z "$line" -a -n "$indeps" ]; then
break;
fi
if [ -z "$indeps" ]; then
continue;
fi
host=""
user=""
package=""
tagish=""
url=$(printf '%s' "$line" | cut -f1 -d'=' | sed 's/ //g');
version=$(printf '%s' "$line" | cut -f2 -d'=' | sed 's/ //g');
host=$(printf '%s' "$url" | cut -f1 -d'/')
user=$(printf '%s' "$url" | cut -f2 -d'/')
package=$(printf '%s' "$url" | cut -f3 -d'/')
if [ -z "$package" ]; then
package="${user}"
fi
if [ "$host" = "gopkg.in" ]; then
host="github.com"
if [ "$user" = "$package" ]; then
package=$(printf '%s' "$package" | cut -f1 -d'.')
user="go-$package"
else
package=$(printf '%s' "$package" | cut -f1 -d'.')
fi
fi
if [ "$host" = "golang.org" ]; then
host="github.com"
user="golang"
fi
if [ -n "$version" ]; then
tagish=$(printf '%s' "$version" | cut -f2 -d':')
else
tagish="master"
fi
if [ ! -e "$GOPMSTORE/archives/$host-$user-$package-$tagish.tar.gz" ]; then
curl --silent -R -L -o "$GOPMSTORE/archives/$host-$user-$package-$tagish.tar.gz" "https://$host/$user/$package/archive/$tagish.tar.gz"
fi
if [ ! -e "$GOPMSTORE/repos/$url.$tagish" ]; then
mkdir -p "$GOPMSTORE/repos/$url.$tagish"
tar xf "$GOPMSTORE/archives/$host-$user-$package-$tagish.tar.gz" -C "$GOPMSTORE/repos/$url.$tagish" --strip-components=1
fi
if [ ! -e "$GOPATH/src/$url" ]; then
mkdir -p "$GOPATH/src/$url"
rmdir "$GOPATH/src/$url"
ln -s "$GOPMSTORE/repos/$url.$tagish" "$GOPATH/src/$url"
extracted_counter=$((extracted_counter+1))
fi
done <"$gopmfile"
printf '%s' "$extracted_counter"
}
packages_processed=$(download_and_link $1)
printf 'Done with %s packages\n' "$packages_processed" 1>&2
curdepth=1
export -f download_and_link
while [ ! "$packages_processed" = "0" ]; do
if [ "$curdepth" = "$MAXDEPTH" ]; then
break
fi
packages_processed=$(find -L "$GOPATH/src" -name '.gopmfile' -exec bash -c 'download_and_link "$0"' {} \; | awk '{s+=$1} END {print s}')
curdepth=$((curdepth+1))
printf 'Done with %s packages\n' "$packages_processed" 1>&2
done
exit 0