First commit 🌲

8 files changed, 267 insertions, 0 deletions

diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..a5dbbcb
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake .
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..92b2793
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.direnv
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..55d7385
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,23 @@
+FROM nixos/nix:latest AS builder
+
+COPY . /tmp/build
+WORKDIR /tmp/build
+
+RUN nix \
+    --extra-experimental-features "nix-command flakes" \
+    --option filter-syscalls false \
+    build -L .#docker
+
+# no quotes, we actually want to split
+RUN mkdir /tmp/nix-store-closure && \
+  cp -R $(nix-store -qR result/) /tmp/nix-store-closure
+
+WORKDIR /tmp/app
+
+FROM scratch
+
+COPY --from=builder /tmp/nix-store-closure /nix/store
+COPY --from=builder /tmp/build/result /
+USER 1000
+ENV PATH=/bin
+ENTRYPOINT ["perl", "/bin/sync"]
diff --git a/Makefile.PL b/Makefile.PL
new file mode 100644
index 0000000..167d52e
--- /dev/null
+++ b/Makefile.PL
@@ -0,0 +1,7 @@
+#!perl
+use ExtUtils::MakeMaker;
+
+WriteMakefile(
+   NAME          => 'slack2gitlab-emoji-sync',
+   EXE_FILES     => [ 'sync' ],
+);
diff --git a/app.nix b/app.nix
new file mode 100644
index 0000000..9728a92
--- /dev/null
+++ b/app.nix
@@ -0,0 +1,10 @@
+{ pkgs }: with pkgs; with perlPackages;
+buildPerlPackage {
+  pname = "slack2gitlab-emoji-sync";
+  version = "0.000";
+  src = ./.;
+  propagatedBuildInputs = [ JSON LWP LWPProtocolHttps PathTiny ];
+  outputs = [ "out" ];
+}
+
+
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..8be89b0
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1734820311,
+        "narHash": "sha256-YsLK4ZiGY5CZmmgzsfU76OHVUTDeZJgirKzNO+et0UQ=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "7e4a1594489d41bf8e16046b28e14a0e264c9baa",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..b616a91
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,29 @@
+{
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+  outputs =
+    { self
+    , nixpkgs
+    , flake-utils
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+        app = pkgs.callPackage ./app.nix { inherit pkgs; };
+        deps = with pkgs; with perlPackages; [
+          perl JSON LWP LWPProtocolHttps PathTiny
+        ];
+      in
+      with pkgs; {
+        packages.docker = symlinkJoin {
+          name = "docker";
+          paths = [ perl app ];
+          meta.priority = 5;
+        };
+        devShells.default = mkShell { buildInputs = deps; };
+      }
+    );
+}
diff --git a/sync b/sync
new file mode 100755
index 0000000..fa604e3
--- /dev/null
+++ b/sync
@@ -0,0 +1,135 @@
+#!perl
+use strict;
+use warnings;
+use autodie;
+
+use JSON           qw(decode_json encode_json);
+use LWP::UserAgent qw();
+use Path::Tiny     qw(path);
+
+$| = 1;
+
+my $gitlab_group_path  = $ENV{GITLAB_GROUP_PATH} or die "GITLAB_GROUP_PATH is not set";
+my $gitlab_url         = $ENV{GITLAB_URL}        or die "GITLAB_URL is not set";
+my $gitlab_token       = $ENV{GITLAB_TOKEN}      or die "GITLAB_TOKEN is not set";
+my $slack_workspace    = $ENV{SLACK_WORKSPACE}   or die "SLACK_WORKSPACE is not set";
+my $slack_logs_dir     = $ENV{SLACK_LOGS_DIR}    // q{};
+my $gitlab_graphql_api = "${gitlab_url}/api/graphql";
+
+die "Usage: $0 <filter>" if scalar @ARGV != 1;
+my $filter = qr/$ARGV[0]/;
+
+my %slack_emojis;
+my %gitlab_emojis;
+
+my $ua = LWP::UserAgent->new(timeout => 5);
+$ua->default_header('Authorization' => "Bearer $gitlab_token");
+$ua->default_header('Content-Type' => 'application/json; charset=utf-8');
+
+if (!$slack_logs_dir) {
+  if ($^O eq "darwin") {
+    my $username    = $ENV{LOGNAME} || $ENV{USER} || getpwuid($<);
+    $slack_logs_dir = "/Users/$username/Library/Application Support/Slack/logs/default";
+  } else {
+    die "SLACK_LOGS_DIR is not set";
+  }
+}
+
+if (!path($slack_logs_dir)->exists or !path($slack_logs_dir)->is_dir) {
+  die "Slack logs directory not found: $slack_logs_dir";
+}
+
+foreach (path($slack_logs_dir)->children(qr/\.log$/)) {
+  open my ($log_file), $_;
+  foreach (<$log_file>) {
+    if (m{fetch (https://emoji\.slack-edge\.com/$slack_workspace/([a-zA-Z-_0-9]+)\/\w+\.(png|gif|jpg))}gm) {
+      $slack_emojis{$2} = $1;
+    }
+  }
+  close $log_file;
+}
+
+{
+  my $next_cursor = "";
+  my $has_next_page = 1;
+  while($has_next_page) {
+    my $content = encode_json({
+      query => qq{
+        {
+          group(fullPath: "$gitlab_group_path") {
+            customEmoji(first: 50, after: "$next_cursor") {
+              nodes { id name url }
+              pageInfo { endCursor hasNextPage }
+            }
+          }
+        }
+      }
+    });
+
+    my $res = $ua->post( $gitlab_graphql_api, Content => $content );
+    die "failed" if $res->is_error or $res->code != 200;
+
+    my $data = decode_json($res->decoded_content);
+    $next_cursor = $data->{data}{group}{customEmoji}{pageInfo}{endCursor};
+    $has_next_page = $data->{data}{group}{customEmoji}{pageInfo}{hasNextPage};
+    foreach(@{$data->{data}{group}{customEmoji}{nodes}}) {
+      $gitlab_emojis{$_->{name}} = {
+        url  => $_->{url},
+        id   => $_->{id},
+      };
+    }
+  }
+}
+
+foreach (sort keys %slack_emojis) {
+  next if $_ !~ $filter;
+  print "Emoji: $_\n";
+  if (exists $gitlab_emojis{$_}) {
+    print "  - already exists in GitLab\n";
+    if ($slack_emojis{$_} eq $gitlab_emojis{$_}{url}) {
+      print "  - skipping, URL is the same\n";
+      next;
+    }
+    my $content = encode_json({
+      query => qq{
+        mutation {
+          destroyCustomEmoji(input: {
+            id: "$gitlab_emojis{$_}{id}"
+          }) { errors }
+        }
+      }
+    });
+    my $res = $ua->post( $gitlab_graphql_api, Content => $content );
+    if ($res->is_error or $res->code != 200) {
+      print "  - failed to delete\n";
+      next;
+    }
+    my $data = decode_json($res->decoded_content);
+    if ($data->{errors}) {
+      print "  - failed to delete\n";
+      next;
+    }
+  }
+  my $content = encode_json({
+    query => qq{
+      mutation {
+        createCustomEmoji(input: {
+          groupPath: "$gitlab_group_path",
+          name: "$_",
+          url: "$slack_emojis{$_}"
+        }) { errors }
+      }
+    }
+  });
+  my $res = $ua->post( $gitlab_graphql_api, Content => $content );
+  if ($res->is_error or $res->code != 200) {
+    print "  - failed to create\n";
+  } else {
+    my $data = decode_json($res->decoded_content);
+    if ($data->{errors}) {
+      print "  - failed to create\n";
+    } else {
+      print "  - created\n";
+    }
+  }
+}