diff options
author | isaacs <i@izs.me> | 2011-01-09 10:57:11 +0300 |
---|---|---|
committer | isaacs <i@izs.me> | 2011-01-09 10:57:11 +0300 |
commit | 2aa9747b4795fc216b06a86450ecdd736534fe68 (patch) | |
tree | 357ab4b4da41f398df6de1703c3ac51b52344db5 /bin | |
parent | 1424fb379939625dd03ce15ca617fbb8244e5564 (diff) |
Use the package.json data in the installation
So to verify the version of node in use. Note that this install.sh
can't be deployed until AFTER this node is published.
Diffstat (limited to 'bin')
-rw-r--r-- | bin/read-package-json.js | 18 | ||||
-rw-r--r-- | bin/semver.js | 62 |
2 files changed, 80 insertions, 0 deletions
diff --git a/bin/read-package-json.js b/bin/read-package-json.js new file mode 100644 index 000000000..84944df72 --- /dev/null +++ b/bin/read-package-json.js @@ -0,0 +1,18 @@ +var argv = process.argv +if (argv.length < 3) { + console.error("Usage: read-package.json <file> [<fields> ...]") + process.exit(1) +} +var fs = require("fs") + , file = argv[2] + , data = JSON.parse(fs.readFileSync(file, "utf8")) + +if (argv.length === 3) console.log(data) +else argv.slice(3).forEach(function (field) { + field = field.split(".") + var val = data + field.forEach(function (f) { + val = val[f] + }) + console.log(val) +}) diff --git a/bin/semver.js b/bin/semver.js new file mode 100644 index 000000000..5261de134 --- /dev/null +++ b/bin/semver.js @@ -0,0 +1,62 @@ +// Standalone semver comparison program. +// Exits successfully and prints matching version(s) if +// any supplied version is valid and passes all tests. + +var argv = process.argv.slice(2) + , versions = [] + , range = [] + , gt = [] + , lt = [] + , eq = [] + , semver = require("../lib/utils/semver") + +main() + +function main () { + if (!argv.length) return help() + while (argv.length) { + switch (argv.shift()) { + case "-v": case "--version": + versions.push(argv.shift()) + break + case "-r" : case "--range": + range.push(argv.shift()) + break + default: + return help() + } + } + versions = versions.filter(semver.valid) + for (var i = 0, l = range.length; i < l ; i ++) { + versions = versions.filter(function (v) { + return semver.satisfies(v, range[i]) + }) + if (!versions.length) return fail() + } + return success(versions) +} + +function fail () { process.exit(1) } + +function success () { + versions.sort(semver.compare).forEach(function (v,i,_) { console.log(v) }) +} + +function help () { + console.log(["Usage: semver -v <version> [-r <range>]" + ,"Test if version(s) satisfy the supplied range(s)," + ,"and sort them." + ,"" + ,"Multiple versions or ranges may be supplied." + ,"" + ,"Program exits successfully if all versions satisfy all" + ,"ranges and are valid, and prints all satisfying versions." + ,"If no versions are valid, or ranges are not satisfied," + ,"then exits failure." + ,"" + ,"Versions are printed in ascending order, so supplying" + ,"multiple versions to the utility will just sort them." + ].join("\n")) +} + + |