sq: Add command sq key adopt.

  - Add a subcommand to have a certificate adopt a key on another
    certificate.  That is, the subcommand adds a key from one
    certificate (A) to another (B) by having B create any necessary
    binding signatures.

  - The modified certificate is written to stdout.

1 files changed, 74 insertions, 0 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 1384c590..f9a6e98c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -90,6 +90,19 @@ dependencies = [
 ]
 
 [[package]]
+name = "assert_cmd"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3dc1679af9a1ab4bea16f228b05d18f8363f8327b1fa8db00d2760cfafc6b61e"
+dependencies = [
+ "doc-comment",
+ "predicates",
+ "predicates-core",
+ "predicates-tree",
+ "wait-timeout",
+]
+
+[[package]]
 name = "atty"
 version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -768,6 +781,15 @@ dependencies = [
 ]
 
 [[package]]
+name = "float-cmp"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1267f4ac4f343772758f7b1bdcbe767c218bbab93bb432acbf5162bbf85a6c4"
+dependencies = [
+ "num-traits",
+]
+
+[[package]]
 name = "fnv"
 version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1394,6 +1416,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "normalize-line-endings"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61807f77802ff30975e01f4f071c8ba10c022052f98b3294119f3e615d13e5be"
+
+[[package]]
 name = "num-bigint-dig"
 version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1614,6 +1642,35 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "925383efa346730478fb4838dbe9137d2a47675ad789c546d150a6e1dd4ab31c"
 
 [[package]]
+name = "predicates"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96bfead12e90dccead362d62bb2c90a5f6fc4584963645bc7f71a735e0b0735a"
+dependencies = [
+ "difference",
+ "float-cmp",
+ "normalize-line-endings",
+ "predicates-core",
+ "regex",
+]
+
+[[package]]
+name = "predicates-core"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "06075c3a3e92559ff8929e7a280684489ea27fe44805174c3ebd9328dcb37178"
+
+[[package]]
+name = "predicates-tree"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e63c4859013b38a76eca2414c64911fba30def9e3202ac461a2d22831220124"
+dependencies = [
+ "predicates-core",
+ "treeline",
+]
+
+[[package]]
 name = "prettytable-rs"
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -2041,11 +2098,13 @@ version = "0.22.0"
 dependencies = [
  "anyhow",
  "assert_cli",
+ "assert_cmd",
  "buffered-reader",
  "chrono",
  "clap",
  "crossterm",
  "itertools",
+ "predicates",
  "prettytable-rs",
  "rpassword",
  "sequoia-autocrypt",
@@ -2478,6 +2537,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "treeline"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7f741b240f1a48843f9b8e0444fb55fb2a4ff67293b50a9179dfd5ea67f8d41"
+
+[[package]]
 name = "try-lock"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -2562,6 +2627,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
 
 [[package]]
+name = "wait-timeout"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f200f5b12eb75f8c1ed65abd4b2db8a6e1b138a20de009dacee265a2498f3f6"
+dependencies = [
+ "libc",
+]
+
+[[package]]
 name = "want"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"