Added zsh completion

3 files changed, 271 insertions, 31 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 41dcf40..daa2da3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3,13 +3,13 @@ name = "git-journal"
 version = "1.0.1"
 dependencies = [
  "chrono 0.2.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "clap 2.16.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clap 2.17.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "git2 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "nom 1.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "rayon 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 0.1.77 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rayon 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.1.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "term 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -44,7 +44,7 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "2.16.1"
+version = "2.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "ansi_term 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -60,7 +60,7 @@ dependencies = [
 
 [[package]]
 name = "cmake"
-version = "0.1.17"
+version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "gcc 0.3.38 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -68,7 +68,7 @@ dependencies = [
 
 [[package]]
 name = "curl-sys"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "gcc 0.3.38 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -109,7 +109,7 @@ dependencies = [
  "bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "libgit2-sys 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -117,7 +117,7 @@ name = "idna"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "matches 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "matches 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-bidi 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-normalization 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -146,8 +146,8 @@ name = "libgit2-sys"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cmake 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "curl-sys 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cmake 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "curl-sys 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "gcc 0.3.38 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "libssh2-sys 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -169,7 +169,7 @@ name = "libssh2-sys"
 version = "0.1.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cmake 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cmake 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "libz-sys 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-sys 0.7.17 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -193,7 +193,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "matches"
-version = "0.1.3"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -210,7 +210,7 @@ version = "1.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 0.1.77 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.1.80 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -247,7 +247,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "num_cpus"
-version = "0.2.13"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -288,29 +288,30 @@ dependencies = [
 
 [[package]]
 name = "rayon"
-version = "0.4.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "deque 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "regex"
-version = "0.1.77"
+version = "0.1.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "aho-corasick 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex-syntax 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex-syntax 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread_local 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "regex-syntax"
-version = "0.3.7"
+version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -390,7 +391,7 @@ name = "unicode-bidi"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "matches 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "matches 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -410,11 +411,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "url"
-version = "1.2.2"
+version = "1.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "idna 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "matches 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "matches 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -456,9 +457,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum ansi_term 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "23ac7c30002a5accbf7e8987d0632fa6de155b7c3d39d0067317a391e00a2ef6"
 "checksum bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "aad18937a628ec6abcd26d1489012cc0e18c21798210f491af69ded9b881106d"
 "checksum chrono 0.2.25 (registry+https://github.com/rust-lang/crates.io-index)" = "9213f7cd7c27e95c2b57c49f0e69b1ea65b27138da84a170133fd21b07659c00"
-"checksum clap 2.16.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7d3f517329dfa6300c8415693c54e524f777dc470265bd73dfd1ff1699c3ee30"
-"checksum cmake 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)" = "dfcf5bcece56ef953b8ea042509e9dcbdfe97820b7e20d86beb53df30ed94978"
-"checksum curl-sys 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "4ae8698d4d2bc4b8182a11f4a5298fa03d2127c29e95dbae538d0cf003141818"
+"checksum clap 2.17.1 (registry+https://github.com/rust-lang/crates.io-index)" = "27dac76762fb56019b04aed3ccb43a770a18f80f9c2eb62ee1a18d9fb4ea2430"
+"checksum cmake 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)" = "0e5bcf27e097a184c1df4437654ed98df3d7a516e8508a6ba45d8b092bbdf283"
+"checksum curl-sys 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "4f198d10378a3bc1f1b0e3bc3a2de5c9bb9e08938460dec57ba6667d9a65fbc3"
 "checksum deque 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1614659040e711785ed8ea24219140654da1729f3ec8a47a9719d041112fe7bf"
 "checksum gcc 0.3.38 (registry+https://github.com/rust-lang/crates.io-index)" = "553f11439bdefe755bf366b264820f1da70f3aaf3924e594b886beb9c831bcf5"
 "checksum gdi32-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0912515a8ff24ba900422ecda800b52f4016a56251922d397c576bf92c690518"
@@ -472,21 +473,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum libssh2-sys 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)" = "1debd7e56d19655eb786f827675dc55f6d530de6d7b81e76d13d1afc635d6c07"
 "checksum libz-sys 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "40f2df7730b5d29426c3e44ce4d088d8c5def6471c2c93ba98585b89fb201ce6"
 "checksum log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "ab83497bf8bf4ed2a74259c1c802351fcd67a65baa86394b6ba73c36f4838054"
-"checksum matches 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "bcc3ad8109fa4b522f9b0cd81440422781f564aaf8c195de6b9d6642177ad0dd"
+"checksum matches 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "efd7622e3022e1a6eaa602c4cea8912254e5582c9c692e9167714182244801b1"
 "checksum memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d8b629fb514376c675b98c1421e80b151d3817ac42d7c667717d282761418d20"
 "checksum nom 1.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "a5b8c256fd9471521bcb84c3cdba98921497f1a331cbc15b8030fc63b82050ce"
 "checksum num 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)" = "bde7c03b09e7c6a301ee81f6ddf66d7a28ec305699e3d3b056d2fc56470e3120"
 "checksum num-integer 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)" = "fb24d9bfb3f222010df27995441ded1e954f8f69cd35021f6bef02ca9552fb92"
 "checksum num-iter 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)" = "287a1c9969a847055e1122ec0ea7a5c5d6f72aad97934e131c83d5c08ab4e45c"
 "checksum num-traits 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)" = "a16a42856a256b39c6d3484f097f6713e14feacd9bfb02290917904fae46c81c"
-"checksum num_cpus 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)" = "cee7e88156f3f9e19bdd598f8d6c9db7bf4078f99f8381f43a55b09648d1a6e3"
+"checksum num_cpus 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8890e6084723d57d0df8d2720b0d60c6ee67d6c93e7169630e4371e88765dcad"
 "checksum openssl-sys 0.7.17 (registry+https://github.com/rust-lang/crates.io-index)" = "89c47ee94c352eea9ddaf8e364be7f978a3bb6d66d73176572484238dd5a5c3f"
 "checksum pkg-config 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8cee804ecc7eaf201a4a207241472cc870e825206f6c031e3ee2a72fa425f2fa"
 "checksum pnacl-build-helper 1.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "61c9231d31aea845007443d62fcbb58bb6949ab9c18081ee1e09920e0cf1118b"
 "checksum rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)" = "2791d88c6defac799c3f20d74f094ca33b9332612d9aef9078519c82e4fe04a5"
-"checksum rayon 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "655df67c314c30fa3055a365eae276eb88aa4f3413a352a1ab32c1320eda41ea"
-"checksum regex 0.1.77 (registry+https://github.com/rust-lang/crates.io-index)" = "64b03446c466d35b42f2a8b203c8e03ed8b91c0f17b56e1f84f7210a257aa665"
-"checksum regex-syntax 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "48f0573bcee95a48da786f8823465b5f2a1fae288a55407aca991e5b3e0eae11"
+"checksum rayon 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3b6a6e05e0e6b703e9f2ad266eb63f3712e693a17a2702b95a23de14ce8defa9"
+"checksum regex 0.1.80 (registry+https://github.com/rust-lang/crates.io-index)" = "4fd4ace6a8cf7860714a2c2280d6c1f7e6a413486c13298bbc86fd3da019402f"
+"checksum regex-syntax 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "f9ec002c35e86791825ed294b50008eea9ddfc8def4420124fbc6b08db834957"
 "checksum rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)" = "6159e4e6e559c81bd706afe9c8fd68f547d3e851ce12e76b1de7914bab61691b"
 "checksum strsim 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "50c069df92e4b01425a8bf3576d5d417943a6a7272fbabaf5bd80b1aaa76442e"
 "checksum tempdir 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "87974a6f5c1dfb344d733055601650059a3363de2a6104819293baff662132d6"
@@ -500,7 +501,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum unicode-normalization 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "26643a2f83bac55f1976fb716c10234485f9202dcd65cfbdf9da49867b271172"
 "checksum unicode-segmentation 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b905d0fc2a1f0befd86b0e72e31d1787944efef9d38b9358a9e92a69757f7e3b"
 "checksum unicode-width 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2d6722facc10989f63ee0e20a83cd4e1714a9ae11529403ac7e0afd069abc39e"
-"checksum url 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9ba5a45db1d2e0effb7a1c00cc73ffc63a973da8c7d1fcd5b46f24285ade6c54"
+"checksum url 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "48ccf7bd87a81b769cf84ad556e034541fb90e1cd6d4bc375c822ed9500cd9d7"
 "checksum user32-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4ef4711d107b21b410a3a974b1204d9accc8b10dad75d8324b5d755de1617d47"
 "checksum utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a1ca13c08c41c9c3e04224ed9ff80461d97e121589ff27c753a16cb10830ae0f"
 "checksum vec_map 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "cac5efe5cb0fa14ec2f84f83c701c562ee63f6dcc680861b21d65c682adfb05f"
diff --git a/_git-journal b/_git-journal
new file mode 100644
index 0000000..1b97dd2
--- /dev/null
+++ b/_git-journal
@@ -0,0 +1,235 @@
+#compdef git-journal
+
+_git-journal() {
+	typeset -A opt_args
+	local ret=1
+
+	local context curcontext="$curcontext" state line
+    _arguments -s -S -C \
+"-p+[Sets a custom working path.]" \
+"--path+[Sets a custom working path.]" \
+"-n+[The number of tags until the parser stops when a single revision is given.]" \
+"--tags-count+[The number of tags until the parser stops when a single revision is given.]" \
+"-e+[A pattern to exclude git tags from the processing.]" \
+"-t+[Use a custom output template.]" \
+"--template+[Use a custom output template.]" \
+"-o+[The output file for the changelog.]" \
+"--output+[The output file for the changelog.]" \
+"-a[Do not stop parsing at the first tag when a single revision is given. Overwrites '-n/--tags-count'.]" \
+"--all[Do not stop parsing at the first tag when a single revision is given. Overwrites '-n/--tags-count'.]" \
+"-g[Generate a fresh output template from a commit range.]" \
+"--generate[Generate a fresh output template from a commit range.]" \
+"-s[Print only the shortlog (summary) form.]" \
+"--short[Print only the shortlog (summary) form.]" \
+"-u[Skip entries without any relation to a git TAG.]" \
+"--skip-unreleased[Skip entries without any relation to a git TAG.]" \
+"-h[Prints help information]" \
+"--help[Prints help information]" \
+"-V[Prints version information]" \
+"--version[Prints version information]" \
+"-h[Prints help information]" \
+"--help[Prints help information]" \
+"-V[Prints version information]" \
+"--version[Prints version information]" \
+"1:: :_git-journal_commands" \
+"*:: :->git-journal" \
+&& ret=0
+    case $state in
+    (git-journal)
+        curcontext="${curcontext%:*:*}:git-journal-command-$words[1]:"
+        case $line[1] in
+            (p)
+_arguments -s -S -C \
+"-h[Prints help information]" \
+"--help[Prints help information]" \
+"-V[Prints version information]" \
+"--version[Prints version information]" \
+"-h[Prints help information]" \
+"--help[Prints help information]" \
+"-V[Prints version information]" \
+"--version[Prints version information]" \
+"1:: :_git-journal_prepare_commands" \
+&& ret=0
+;;
+(prepare)
+_arguments -s -S -C \
+"-h[Prints help information]" \
+"--help[Prints help information]" \
+"-V[Prints version information]" \
+"--version[Prints version information]" \
+"-h[Prints help information]" \
+"--help[Prints help information]" \
+"-V[Prints version information]" \
+"--version[Prints version information]" \
+"1:: :_git-journal_prepare_commands" \
+&& ret=0
+;;
+(s)
+_arguments -s -S -C \
+"-h[Prints help information]" \
+"--help[Prints help information]" \
+"-V[Prints version information]" \
+"--version[Prints version information]" \
+"-h[Prints help information]" \
+"--help[Prints help information]" \
+"-V[Prints version information]" \
+"--version[Prints version information]" \
+&& ret=0
+;;
+(setup)
+_arguments -s -S -C \
+"-h[Prints help information]" \
+"--help[Prints help information]" \
+"-V[Prints version information]" \
+"--version[Prints version information]" \
+"-h[Prints help information]" \
+"--help[Prints help information]" \
+"-V[Prints version information]" \
+"--version[Prints version information]" \
+&& ret=0
+;;
+(v)
+_arguments -s -S -C \
+"-h[Prints help information]" \
+"--help[Prints help information]" \
+"-V[Prints version information]" \
+"--version[Prints version information]" \
+"-h[Prints help information]" \
+"--help[Prints help information]" \
+"-V[Prints version information]" \
+"--version[Prints version information]" \
+"1:: :_git-journal_verify_commands" \
+&& ret=0
+;;
+(verify)
+_arguments -s -S -C \
+"-h[Prints help information]" \
+"--help[Prints help information]" \
+"-V[Prints version information]" \
+"--version[Prints version information]" \
+"-h[Prints help information]" \
+"--help[Prints help information]" \
+"-V[Prints version information]" \
+"--version[Prints version information]" \
+"1:: :_git-journal_verify_commands" \
+&& ret=0
+;;
+(help)
+_arguments -s -S -C \
+"-h[Prints help information]" \
+"--help[Prints help information]" \
+"-V[Prints version information]" \
+"--version[Prints version information]" \
+"-h[Prints help information]" \
+"--help[Prints help information]" \
+"-V[Prints version information]" \
+"--version[Prints version information]" \
+&& ret=0
+;;
+(help)
+_arguments -s -S -C \
+"-h[Prints help information]" \
+"--help[Prints help information]" \
+"-V[Prints version information]" \
+"--version[Prints version information]" \
+"-h[Prints help information]" \
+"--help[Prints help information]" \
+"-V[Prints version information]" \
+"--version[Prints version information]" \
+&& ret=0
+;;
+        esac
+    ;;
+esac
+}
+
+(( $+functions[_git-journal_commands] )) ||
+_git-journal_commands() {
+    local commands; commands=(
+        "prepare:Prepare a commit message before the user can edit it." \
+"p:Prepare a commit message before the user can edit it." \
+"setup:Creates all necessary git hooks and an initial configuration file. Shell completions for bash and fish will be available inside the current working directory." \
+"s:Creates all necessary git hooks and an initial configuration file. Shell completions for bash and fish will be available inside the current working directory." \
+"verify:Verify the specified commit message." \
+"v:Verify the specified commit message." \
+"help:Prints this message or the help of the given subcommand(s)" \
+"help:Prints this message or the help of the given subcommand(s)" \
+"REVISION_RANGE:Specifies the revision range to be processed. If a single revision is specified, the output will stop at the first following git TAG." \
+    )
+    _describe -t commands 'git-journal commands' commands "$@"
+}
+(( $+functions[_git-journal_help_commands] )) ||
+_git-journal_help_commands() {
+    local commands; commands=(
+        
+    )
+    _describe -t commands 'git-journal help commands' commands "$@"
+}
+(( $+functions[_git-journal_p_commands] )) ||
+_git-journal_p_commands() {
+    local commands; commands=(
+        "MESSAGE:The path to the commit message which should be prepared." \
+"TYPE:The type of the commit. For example "message"." \
+    )
+    _describe -t commands 'git-journal p commands' commands "$@"
+}
+(( $+functions[_p_commands] )) ||
+_p_commands() {
+    local commands; commands=(
+        "MESSAGE:The path to the commit message which should be prepared." \
+"TYPE:The type of the commit. For example "message"." \
+    )
+    _describe -t commands 'p commands' commands "$@"
+}
+(( $+functions[_git-journal_prepare_commands] )) ||
+_git-journal_prepare_commands() {
+    local commands; commands=(
+        "MESSAGE:The path to the commit message which should be prepared." \
+"TYPE:The type of the commit. For example "message"." \
+    )
+    _describe -t commands 'git-journal prepare commands' commands "$@"
+}
+(( $+functions[_git-journal_s_commands] )) ||
+_git-journal_s_commands() {
+    local commands; commands=(
+        
+    )
+    _describe -t commands 'git-journal s commands' commands "$@"
+}
+(( $+functions[_s_commands] )) ||
+_s_commands() {
+    local commands; commands=(
+        
+    )
+    _describe -t commands 's commands' commands "$@"
+}
+(( $+functions[_git-journal_setup_commands] )) ||
+_git-journal_setup_commands() {
+    local commands; commands=(
+        
+    )
+    _describe -t commands 'git-journal setup commands' commands "$@"
+}
+(( $+functions[_git-journal_v_commands] )) ||
+_git-journal_v_commands() {
+    local commands; commands=(
+        "MESSAGE:The path to the commit message which should be prepared." \
+    )
+    _describe -t commands 'git-journal v commands' commands "$@"
+}
+(( $+functions[_v_commands] )) ||
+_v_commands() {
+    local commands; commands=(
+        "MESSAGE:The path to the commit message which should be prepared." \
+    )
+    _describe -t commands 'v commands' commands "$@"
+}
+(( $+functions[_git-journal_verify_commands] )) ||
+_git-journal_verify_commands() {
+    local commands; commands=(
+        "MESSAGE:The path to the commit message which should be prepared." \
+    )
+    _describe -t commands 'git-journal verify commands' commands "$@"
+}
+
+_git-journal "$@"
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index aca5b56..67a33cc 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -101,6 +101,10 @@ fn run() -> Result<(), Error> {
                 app.gen_completions("git-journal", Shell::Fish, path);
                 info!("Installed fish completions to the current path.");
             }
+            if is_program_in_path("zsh") {
+                app.gen_completions("git-journal", Shell::Zsh, path);
+                info!("Installed zsh completions to the current path.");
+            }
         }
         Some("verify") => {
             // Verify a commit message