stop using cargo pkg version

One fewer thing to manage at release time.

.github/ISSUE_TEMPLATE/bug_report.md

@@ -25,7 +25,7 @@ If applicable, add screenshots to help explain your problem.
 
 **Server (please complete the following information):**
   - If using Docker: `docker ps` + `docker images`
-  - If building from git: `git describe --dirty` + `moonfire-nvr --version`
+  - If building from git: `moonfire-nvr --version`
   - Attach a [log file](https://github.com/scottlamb/moonfire-nvr/blob/master/guide/troubleshooting.md#viewing-moonfire-nvrs-logs). Run with the `RUST_BACKTRACE=1` environment variable set if possible.
 
 **Camera (please complete the following information):**

.github/workflows/ci.yml

@@ -17,10 +17,15 @@ jobs:
             extra_args: "--features nightly --benches"
           - rust: stable
             extra_components: rustfmt
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
+        with:
+          # `git describe` output gets baked into the binary for `moonfire-nvr --version`.
+          # Fetch all revs so it can see tag history.
+          fetch-depth: 0
+          filter: 'tree:0'
       - name: Cache
         uses: actions/cache@v2
         with:
@@ -62,9 +67,9 @@ jobs:
     strategy:
       matrix:
         node: [ "14", "16", "18" ]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node }}

README.md

@@ -35,10 +35,9 @@ There's no support yet for motion detection, no https/TLS support (you'll
 need a proxy server, as described [here](guide/secure.md)), and only a
 console-based (rather than web-based) configuration UI.
 
-Moonfire NVR is currently at version 0.7.7. Until version 1.0, there will be no
-compatibility guarantees: configuration and storage formats may change from
-version to version. There is an [upgrade procedure](guide/schema.md) but it is
-not for the faint of heart.
+Moonfire NVR is pre-1.0, with will be no compatibility guarantees:
+configuration and storage formats may change from version to version. There is
+an [upgrade procedure](guide/schema.md) but it is not for the faint of heart.
 
 I hope to add features such as video analytics. In time, we can build
 a full-featured hobbyist-oriented multi-camera NVR that requires nothing but

guide/build.md

@@ -141,10 +141,7 @@ Releases are currently a bit manual. From a completely clean git work tree,
 
 1.  manually verify the current commit is pushed to github's master branch and
     has a green checkmark indicating CI passed.
-2.  update versions:
-    *   update `server/Cargo.toml` version by hand; run `cargo test --workspace`
-        to update `Cargo.lock`.
-    *   ensure `README.md` and `CHANGELOG.md` refer to the new version.
+2.  update version in `CHANGELOG.md`.
 3.  run commands:
     ```bash
     VERSION=x.y.z

server/Cargo.lock

@@ -621,6 +621,28 @@ dependencies = [
  "wasi 0.11.0+wasi-snapshot-preview1",
 ]
 
+[[package]]
+name = "git-version"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6b0decc02f4636b9ccad390dcbe77b722a77efedfa393caf8379a51d5c61899"
+dependencies = [
+ "git-version-macro",
+ "proc-macro-hack",
+]
+
+[[package]]
+name = "git-version-macro"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fe69f1cbdb6e28af2bac214e943b99ce8a0a06b447d15d3e61161b0423139f3f"
+dependencies = [
+ "proc-macro-hack",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.107",
+]
+
 [[package]]
 name = "h2"
 version = "0.3.15"
@@ -1092,7 +1114,7 @@ dependencies = [
 
 [[package]]
 name = "moonfire-nvr"
-version = "0.7.7"
+version = "0.0.0"
 dependencies = [
  "base64",
  "blake3",
@@ -1104,6 +1126,7 @@ dependencies = [
  "flate2",
  "fnv",
  "futures",
+ "git-version",
  "h264-reader",
  "http",
  "http-serve",
@@ -1429,6 +1452,12 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c6fa0831dd7cc608c38a5e323422a0077678fa5744aa2be4ad91c4ece8eec8d5"
 
+[[package]]
+name = "proc-macro-hack"
+version = "0.5.20+deprecated"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc375e1527247fe1a97d8b7156678dfe7c1af2fc075c9a4db3690ecd2a148068"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.63"

server/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "moonfire-nvr"
-version = "0.7.7"
+version = "0.0.0"
 authors = ["Scott Lamb <slamb@slamb.org>"]
 edition = "2021"
 resolver = "2"
@@ -73,6 +73,7 @@ ulid = "1.0.0"
 url = "2.1.1"
 uuid = { version = "1.1.2", features = ["serde", "std", "v4"] }
 flate2 = "1.0.26"
+git-version = "0.3.5"
 
 [build-dependencies]
 blake3 = "1.0.0"

server/db/check.rs

@@ -54,7 +54,10 @@ pub fn run(conn: &mut rusqlite::Connection, opts: &Options) -> Result<i32, Error
         error!("Schema version is not as expected:\n{}", e);
         printed_error = true;
     } else {
-        info!("Schema at expected version {}.", db::EXPECTED_VERSION);
+        info!(
+            "Schema at expected version {}.",
+            db::EXPECTED_SCHEMA_VERSION
+        );
     }
 
     // Compare schemas.

server/db/db.rs

@@ -60,7 +60,7 @@ use tracing::{error, info, trace};
 use uuid::Uuid;
 
 /// Expected schema version. See `guide/schema.md` for more information.
-pub const EXPECTED_VERSION: i32 = 7;
+pub const EXPECTED_SCHEMA_VERSION: i32 = 7;
 
 /// Length of the video index cache.
 /// The actual data structure is one bigger than this because we insert before we remove.
@@ -2238,9 +2238,10 @@ pub fn init(conn: &mut rusqlite::Connection) -> Result<(), Error> {
 }
 
 /// Gets the schema version from the given database connection.
-/// A fully initialized database will return `Ok(Some(version))` where `version` is an integer that
-/// can be compared to `EXPECTED_VERSION`. An empty database will return `Ok(None)`. A partially
-/// initialized database (in particular, one without a version row) will return some error.
+/// A fully initialized database will return `Ok(Some(schema_version))` where `schema_version` is
+/// an integer that can be compared to `EXPECTED_SCHEMA_VERSION`. An empty database will return
+/// `Ok(None)`. A partially initialized database (in particular, one without a version row) will
+/// return some error.
 pub fn get_schema_version(conn: &rusqlite::Connection) -> Result<Option<i32>, Error> {
     let ver_tables: i32 = conn.query_row_and_then(
         "select count(*) from sqlite_master where name = 'version'",
@@ -2282,11 +2283,11 @@ pub(crate) fn check_schema_version(conn: &rusqlite::Connection) -> Result<(), Er
                 <https://github.com/scottlamb/moonfire-nvr/blob/master/guide/schema.md>."),
         )
     };
-    match ver.cmp(&EXPECTED_VERSION) {
+    match ver.cmp(&EXPECTED_SCHEMA_VERSION) {
         std::cmp::Ordering::Less => bail!(
             FailedPrecondition,
             msg(
-                "database schema version {ver} is too old (expected {EXPECTED_VERSION}); \
+                "database schema version {ver} is too old (expected {EXPECTED_SCHEMA_VERSION}); \
                 see upgrade instructions in guide/upgrade.md"
             ),
         ),
@@ -2294,7 +2295,7 @@ pub(crate) fn check_schema_version(conn: &rusqlite::Connection) -> Result<(), Er
         std::cmp::Ordering::Greater => bail!(
             FailedPrecondition,
             msg(
-                "database schema version {ver} is too new (expected {EXPECTED_VERSION}); \
+                "database schema version {ver} is too new (expected {EXPECTED_SCHEMA_VERSION}); \
                 must use a newer binary to match"
             ),
         ),

server/db/upgrade/mod.rs

@@ -6,7 +6,7 @@
 //!
 //! See `guide/schema.md` for more information.
 
-use crate::db::{self, EXPECTED_VERSION};
+use crate::db::{self, EXPECTED_SCHEMA_VERSION};
 use base::{bail, Error};
 use nix::NixPath;
 use rusqlite::params;
@@ -23,8 +23,6 @@ mod v4_to_v5;
 mod v5_to_v6;
 mod v6_to_v7;
 
-const UPGRADE_NOTES: &str = concat!("upgraded using moonfire-db ", env!("CARGO_PKG_VERSION"));
-
 #[derive(Debug)]
 pub struct Args<'a> {
     pub sample_file_dir: Option<&'a std::path::Path>,
@@ -46,7 +44,12 @@ fn set_journal_mode(conn: &rusqlite::Connection, requested: &str) -> Result<(),
     Ok(())
 }
 
-fn upgrade(args: &Args, target_ver: i32, conn: &mut rusqlite::Connection) -> Result<(), Error> {
+fn upgrade(
+    args: &Args,
+    target_schema_ver: i32,
+    sw_version: &str,
+    conn: &mut rusqlite::Connection,
+) -> Result<(), Error> {
     let upgraders = [
         v0_to_v1::run,
         v1_to_v2::run,
@@ -58,25 +61,31 @@ fn upgrade(args: &Args, target_ver: i32, conn: &mut rusqlite::Connection) -> Res
     ];
 
     {
-        assert_eq!(upgraders.len(), db::EXPECTED_VERSION as usize);
-        let old_ver = conn.query_row("select max(id) from version", params![], |row| row.get(0))?;
-        if old_ver > EXPECTED_VERSION {
+        assert_eq!(upgraders.len(), db::EXPECTED_SCHEMA_VERSION as usize);
+        let old_schema_ver =
+            conn.query_row("select max(id) from version", params![], |row| row.get(0))?;
+        if old_schema_ver > EXPECTED_SCHEMA_VERSION {
             bail!(
                 FailedPrecondition,
-                msg("database is at version {old_ver}, later than expected {EXPECTED_VERSION}"),
+                msg("database is at version {old_schema_ver}, \
+                     later than expected {EXPECTED_SCHEMA_VERSION}"),
             );
-        } else if old_ver < 0 {
+        } else if old_schema_ver < 0 {
             bail!(
                 FailedPrecondition,
-                msg("Database is at negative version {old_ver}!")
+                msg("Database is at negative version {old_schema_ver}!")
             );
         }
         info!(
-            "Upgrading database from version {} to version {}...",
-            old_ver, target_ver
+            "Upgrading database from schema version {} to schema version {}...",
+            old_schema_ver, target_schema_ver
         );
-        for ver in old_ver..target_ver {
-            info!("...from version {} to version {}", ver, ver + 1);
+        for ver in old_schema_ver..target_schema_ver {
+            info!(
+                "...from schema version {} to schema version {}",
+                ver,
+                ver + 1
+            );
             let tx = conn.transaction()?;
             upgraders[ver as usize](args, &tx)?;
             tx.execute(
@@ -84,7 +93,7 @@ fn upgrade(args: &Args, target_ver: i32, conn: &mut rusqlite::Connection) -> Res
                 insert into version (id, unix_time, notes)
                              values (?, cast(strftime('%s', 'now') as int32), ?)
                 "#,
-                params![ver + 1, UPGRADE_NOTES],
+                params![ver + 1, format!("Upgraded using moonfire-nvr {sw_version}")],
             )?;
             tx.commit()?;
         }
@@ -93,11 +102,11 @@ fn upgrade(args: &Args, target_ver: i32, conn: &mut rusqlite::Connection) -> Res
     Ok(())
 }
 
-pub fn run(args: &Args, conn: &mut rusqlite::Connection) -> Result<(), Error> {
+pub fn run(args: &Args, sw_version: &str, conn: &mut rusqlite::Connection) -> Result<(), Error> {
     db::check_sqlite_version()?;
     db::set_integrity_pragmas(conn)?;
     set_journal_mode(conn, args.preset_journal)?;
-    upgrade(args, EXPECTED_VERSION, conn)?;
+    upgrade(args, EXPECTED_SCHEMA_VERSION, sw_version, conn)?;
 
     // As in "moonfire-nvr init": try for page_size=16384 and wal for the reasons explained there.
     //
@@ -291,9 +300,10 @@ mod tests {
                     no_vacuum: false,
                 },
                 *ver,
+                "test",
                 &mut upgraded,
             )
-            .map_err(|e| err!(e, msg("upgrade to version {ver} failed")))?;
+            .map_err(|e| err!(e, msg("upgrade to schema version {ver} failed")))?;
             if let Some(f) = fresh_sql {
                 compare(&upgraded, *ver, f)?;
             }

server/src/cmds/upgrade/mod.rs

@@ -39,6 +39,7 @@ pub fn run(args: Args) -> Result<i32, Error> {
             preset_journal: &args.preset_journal,
             no_vacuum: args.no_vacuum,
         },
+        crate::VERSION,
         &mut conn,
     )?;
     Ok(0)

server/src/main.rs

@@ -25,9 +25,11 @@ mod bundled_ui;
 
 const DEFAULT_DB_DIR: &str = "/var/lib/moonfire-nvr/db";
 
+const VERSION: &str = git_version::git_version!(args = ["--always", "--dirty"]);
+
 /// Moonfire NVR: security camera network video recorder.
 #[derive(Bpaf, Debug)]
-#[bpaf(options, version)]
+#[bpaf(options, version(VERSION))]
 enum Args {
     // See docstrings of `cmds::*::Args` structs for a description of the respective subcommands.
     Check(#[bpaf(external(cmds::check::args))] cmds::check::Args),