Add FileEntry::linkto for symbolic links

rpm-rs · Oct 24, 2023 · ca8ea0c · ca8ea0c
1 parent 60d26da
commit ca8ea0c
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Showing 4 changed files with 28 additions and 3 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -23,6 +23,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   passphrase when the PGP secret key is passphrase-protected.
 - Add method `is_no_replace` to `FileOptionsBuilder`, used to set the
   `%config(noreplace)` flag on a file.
+- Added the `FileEntry.linkto` field that is a target of a symbolic link.
 
 ## 0.12.1
 

diff --git a/src/rpm/headers/header.rs b/src/rpm/headers/header.rs
@@ -432,6 +432,8 @@ pub struct FileEntry {
     pub digest: Option<FileDigest>,
     /// Defines any capabilities on the file.
     pub caps: Option<String>,
+    /// Defines a target of a symlink (if the file is a symbolic link).
+    pub linkto: String,
 }
 
 fn parse_entry_data_number<'a, T, E, F>(

diff --git a/src/rpm/package.rs b/src/rpm/package.rs
@@ -843,8 +843,13 @@ impl PackageMetadata {
             Err(Error::TagNotFound(_)) => Ok(None),
             Err(e) => return Err(e),
         };
+        let links = self
+            .header
+            .get_entry_data_as_string_array(IndexTag::RPMTAG_FILELINKTOS);
 
-        match (modes, users, groups, digests, mtimes, sizes, flags, caps) {
+        match (
+            modes, users, groups, digests, mtimes, sizes, flags, caps, links,
+        ) {
             (
                 Ok(modes),
                 Ok(users),
@@ -854,6 +859,7 @@ impl PackageMetadata {
                 Ok(sizes),
                 Ok(flags),
                 Ok(caps),
+                Ok(links),
             ) => {
                 let paths = self.get_file_paths()?;
                 let n = paths.len();
@@ -867,11 +873,12 @@ impl PackageMetadata {
                     mtimes,
                     sizes,
                     flags,
+                    links,
                 ))
                 .enumerate()
                 .try_fold::<Vec<FileEntry>, _, Result<_, Error>>(
                     Vec::with_capacity(n),
-                    |mut acc, (idx, (path, user, group, mode, digest, mtime, size, flags))| {
+                    |mut acc, (idx, (path, user, group, mode, digest, mtime, size, flags, linkto))| {
                         let digest = if digest.is_empty() {
                             None
                         } else {
@@ -893,6 +900,7 @@ impl PackageMetadata {
                             flags: FileFlags::from_bits_retain(flags),
                             size: size as usize,
                             caps: cap,
+                            linkto: linkto.to_string(),
                         });
                         Ok(acc)
                     },
@@ -908,8 +916,9 @@ impl PackageMetadata {
                 Err(Error::TagNotFound(_)),
                 Err(Error::TagNotFound(_)),
                 Err(Error::TagNotFound(_)),
+                Err(Error::TagNotFound(_)),
             ) => Ok(vec![]),
-            (modes, users, groups, digests, mtimes, sizes, flags, caps) => {
+            (modes, users, groups, digests, mtimes, sizes, flags, caps, links) => {
                 modes?;
                 users?;
                 groups?;
@@ -918,6 +927,7 @@ impl PackageMetadata {
                 sizes?;
                 flags?;
                 caps?;
+                links?;
                 unreachable!()
             }
         }

diff --git a/src/tests.rs b/src/tests.rs
@@ -333,6 +333,18 @@ fn test_rpm_header() -> Result<(), Box<dyn std::error::Error>> {
 
     // Verify that if there are no capabilities set then the caps field is None
     package.metadata.get_file_entries()?.iter().for_each(|f| {
+        match f.mode {
+            FileMode::SymbolicLink { permissions: _ } => match f.path.to_str().unwrap() {
+                "/usr/lib64/dirsrv/libldaputil.so" => assert_eq!("libldaputil.so.0.0.0", f.linkto),
+                "/usr/lib64/dirsrv/libslapd.so" => assert_eq!("libslapd.so.0.1.0", f.linkto),
+                _ => {}
+            },
+            _ => match f.path.to_str().unwrap() {
+                "/usr/share/man/man3/sds_ht_slot.3.gz" => assert_eq!("", f.linkto),
+                _ => {}
+            },
+        }
+
         assert_eq!(f.clone().caps, None);
     });