Update to vergen 5, add branch, commit time, and build target to the …

…panic metadata, automatically update app version from crate version (#2029)

* build(deps): bump vergen from 3.2.0 to 5.1.1

* fix hardcoded version for Tracing struct

* add additional metadata

* remove extra allocations for metadata

* Remove zebrad code version from release checklist

The zebrad code automatically uses the crate version now.

* Sort panic metadata into rough categories

Co-authored-by: teor <teor@riseup.net>

.github/PULL_REQUEST_TEMPLATE/release-checklist.md

@@ -16,7 +16,7 @@ what's changed.
 
 - [ ] Increment the crates that have new commits since the last version update
 - [ ] Increment any crates that depend on crates that have changed
-- [ ] Use the `zebrad` crate version in the `zebrad` app code and `zebra-network` user agent
+- [ ] Use the `zebrad` crate version in the `zebra-network` user agent string
 - [ ] Use the latest git tag in `README.md`
 
 ### How to Increment Versions
@@ -57,7 +57,6 @@ Increment the first version component in this list, and reset the other componen
 Once you know which versions you want to increment, you can find them in the:
 - [ ] zebra* `Cargo.toml`s
 - [ ] tower-* `Cargo.toml`s
-- [ ] `zebrad` app code: https://github.com/ZcashFoundation/zebra/blob/main/zebrad/src/components/tracing/component.rs
 - [ ] `zebra-network` protocol user agent: https://github.com/ZcashFoundation/zebra/blob/main/zebra-network/src/constants.rs
 - [ ] `README.md`
 - [ ] `Cargo.lock`: automatically generated by `cargo build`

zebra-chain/src/parameters/network.rs

@@ -1,4 +1,4 @@
-use std::fmt;
+use std::{convert::From, fmt};
 
 #[cfg(any(test, feature = "proptest-impl"))]
 use proptest_derive::Arbitrary;
@@ -13,12 +13,18 @@ pub enum Network {
     Testnet,
 }
 
+impl From<&Network> for &'static str {
+    fn from(network: &Network) -> &'static str {
+        match network {
+            Network::Mainnet => "Mainnet",
+            Network::Testnet => "Testnet",
+        }
+    }
+}
+
 impl fmt::Display for Network {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match self {
-            Network::Mainnet => f.write_str("Mainnet"),
-            Network::Testnet => f.write_str("Testnet"),
-        }
+        f.write_str(self.into())
     }
 }
 

zebrad/Cargo.toml

@@ -47,7 +47,7 @@ sentry = { version = "0.21.0", default-features = false, features = ["backtrace"
 sentry-tracing = { git = "https://github.com/kellpossible/sentry-tracing.git", rev = "f1a4a4a16b5ff1022ae60be779eb3fb928ce9b0f" }
 
 [build-dependencies]
-vergen = "3.2.0"
+vergen = { version = "5.1.1", default-features = false, features = ["cargo", "git"] }
 
 [dev-dependencies]
 abscissa_core = { version = "0.5", features = ["testing"] }