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Replace the spdx-rs dependency with a minimal in-tree SPDX tag-value parser

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The spdx-rs crate is no longer maintained and is behind on its own dependency
updates. The only function that collect-license-metadata uses from it is
`spdx_rs::parsers::spdx_from_tag_value`, which parses the output of the `reuse`
tool to extract file names, licences and copyright text.

Replace this with a small minimal parser that handles just the subset
of the SPDX tag-value format that is needed: `Tag: Value` line pairs
and multi-line `<text>...</text>` blocks.

Coincidentally, this gets rid of the last transitive dependency on syn v1.
This commit is contained in:
Jacob Adam
2026-04-04 18:35:32 +01:00
parent 14196dbfa3
commit 8712a92427
5 changed files with 146 additions and 117 deletions
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Cargo.lock
+41 -108
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@@ -199,7 +199,7 @@ dependencies = [
"rustc-hash 2.1.1",
"serde",
"serde_derive",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -396,7 +396,7 @@ checksum = "89385e82b5d1821d2219e0b095efa2cc1f246cbf99080f3be46a1a85c0d392d9"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -573,7 +573,6 @@ checksum = "145052bdd345b87320e369255277e3fb5152762ad123a901ef5c262dd38fe8d2"
dependencies = [
"iana-time-zone",
"num-traits",
"serde",
"windows-link 0.2.1",
]
@@ -635,10 +634,10 @@ version = "4.5.49"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2a0b5487afeab2deb2ff4e03a807ad1a03ac532ff5a2cee5d86884440c7f7671"
dependencies = [
"heck 0.5.0",
"heck",
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -768,7 +767,6 @@ dependencies = [
"serde",
"serde_json",
"similar",
"spdx-rs",
]
[[package]]
@@ -804,7 +802,7 @@ dependencies = [
"nom",
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -1047,7 +1045,7 @@ dependencies = [
"proc-macro2",
"quote",
"scratch",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -1061,7 +1059,7 @@ dependencies = [
"indexmap",
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -1079,7 +1077,7 @@ dependencies = [
"indexmap",
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -1103,7 +1101,7 @@ dependencies = [
"proc-macro2",
"quote",
"strsim",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -1114,7 +1112,7 @@ checksum = "fc34b93ccb385b40dc71c6fceac4b2ad23662c7eeb248cf10d529b7e055b6ead"
dependencies = [
"darling_core",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -1146,7 +1144,7 @@ checksum = "d08b3a0bcc0d079199cd476b2cae8435016ec11d1c0986c6901c5ac223041534"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -1167,7 +1165,7 @@ dependencies = [
"darling",
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -1177,7 +1175,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ab63b0e2bf4d5928aff72e83a7dace85d7bba5fe12dcc3c5a572d78caffd3f3c"
dependencies = [
"derive_builder_core",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -1189,7 +1187,7 @@ dependencies = [
"darling",
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -1264,7 +1262,7 @@ checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -1677,12 +1675,6 @@ dependencies = [
"serde_core",
]
[[package]]
name = "heck"
version = "0.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
[[package]]
name = "heck"
version = "0.5.0"
@@ -2083,7 +2075,7 @@ checksum = "980af8b43c3ad5d8d349ace167ec8170839f753a42d233ba19e08afe1850fa69"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -2380,7 +2372,7 @@ checksum = "88a9689d8d44bf9964484516275f5cd4c9b59457a6940c1d5d0ecbb94510a36b"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -2525,7 +2517,7 @@ checksum = "4568f25ccbd45ab5d5603dc34318c1ec56b117531781260002151b8530a9f931"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -2906,7 +2898,7 @@ dependencies = [
"pest_meta",
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -3116,7 +3108,7 @@ checksum = "7347867d0a7e1208d93b46767be83e2b8f978c3dad35f775ac8d8847551d6fe1"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -3307,7 +3299,7 @@ checksum = "b7186006dcb21920990093f30e3dea63b7d6e977bf1256be20c3563a5db070da"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -3400,7 +3392,7 @@ checksum = "8100bb34c0a1d0f907143db3149e6b4eea3c33b9ee8b189720168e818303986f"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -4115,7 +4107,7 @@ version = "0.0.0"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -4261,7 +4253,7 @@ dependencies = [
"fluent-syntax",
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
"synstructure",
]
@@ -4843,7 +4835,7 @@ version = "0.0.0"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
"synstructure",
]
@@ -4943,7 +4935,7 @@ dependencies = [
"proc-macro2",
"quote",
"serde",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -5060,7 +5052,7 @@ dependencies = [
"proc-macro2",
"quote",
"serde_derive_internals",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -5146,7 +5138,7 @@ checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -5157,7 +5149,7 @@ checksum = "18d26a20a969b9e3fdf2fc2d9f21eda6c40e2de84c9408bb5d3b05d499aae711"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -5290,35 +5282,6 @@ dependencies = [
"color-eyre",
]
[[package]]
name = "spdx-expression"
version = "0.5.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "53d7ac03c67c572d85049d6db815e20a4a19b41b3d5cca732ac582342021ad77"
dependencies = [
"nom",
"serde",
"thiserror 1.0.69",
"tracing",
]
[[package]]
name = "spdx-rs"
version = "0.5.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "990870190ec8d8c64ba66e4a6746243d6e57d99353991e0e6092334833f429b1"
dependencies = [
"chrono",
"log",
"nom",
"serde",
"spdx-expression",
"strum",
"strum_macros",
"thiserror 1.0.69",
"uuid",
]
[[package]]
name = "stable_deref_trait"
version = "1.2.1"
@@ -5384,36 +5347,6 @@ version = "0.11.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
[[package]]
name = "strum"
version = "0.24.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "063e6045c0e62079840579a7e47a355ae92f60eb74daaf156fb1e84ba164e63f"
[[package]]
name = "strum_macros"
version = "0.24.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1e385be0d24f186b4ce2f9982191e7101bb737312ad61c1f2f984f34bcf85d59"
dependencies = [
"heck 0.4.1",
"proc-macro2",
"quote",
"rustversion",
"syn 1.0.109",
]
[[package]]
name = "syn"
version = "1.0.109"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
dependencies = [
"proc-macro2",
"quote",
"unicode-ident",
]
[[package]]
name = "syn"
version = "2.0.110"
@@ -5433,7 +5366,7 @@ checksum = "728a70f3dbaf5bab7f0c4b1ac8d7ae5ea60a4b5549c8a5914361c99147a709d2"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -5570,7 +5503,7 @@ checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -5581,7 +5514,7 @@ checksum = "3ff15c8ecd7de3849db632e14d18d2571fa09dfc5ed93479bc4485c7a517c913"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -5823,7 +5756,7 @@ checksum = "81383ab64e72a7a8b8e13130c49e3dab29def6d0c7d76a03087b3cf71c5c6903"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -6019,7 +5952,7 @@ checksum = "a1249a628de3ad34b821ecb1001355bca3940bcb2f88558f1a8bd82e977f75b5"
dependencies = [
"proc-macro-hack",
"quote",
"syn 2.0.110",
"syn",
"unic-langid-impl",
]
@@ -6257,7 +6190,7 @@ dependencies = [
"bumpalo",
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
"wasm-bindgen-shared",
]
@@ -6514,7 +6447,7 @@ checksum = "053e2e040ab57b9dc951b72c264860db7eb3b0200ba345b4e4c3b14f67855ddf"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -6525,7 +6458,7 @@ checksum = "3f316c4a2570ba26bbec722032c4099d8c8bc095efccdc15688708623367e358"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -6895,7 +6828,7 @@ checksum = "b659052874eb698efe5b9e8cf382204678a0086ebf46982b79d6ca3182927e5d"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
"synstructure",
]
@@ -6916,7 +6849,7 @@ checksum = "88d2b8d9c68ad2b9e4340d7832716a4d21a22a1154777ad56ea55c51a9cf3831"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]
@@ -6936,7 +6869,7 @@ checksum = "d71e5d6e06ab090c67b5e44993ec16b72dcbaabc526db883a360057678b48502"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
"synstructure",
]
@@ -6971,7 +6904,7 @@ checksum = "eadce39539ca5cb3985590102671f2567e659fca9666581ad3411d59207951f3"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.110",
"syn",
]
[[package]]