Fix retry mechanism

[agrasth]

• All tests passed. If this feature is not already covered by the tests, I added new tests.
• All static analysis checks passed.
• This pull request is on the master branch.
• I used gofmt for formatting the code before submitting the pull request.

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1. Fixed Critical Retry Bug (jfrog-client-go/utils/io/content/contentreader.go)

Why: Enable actual retries by returning true for retryable Windows errors

Before:

return false, errorutils.CheckError(err)  // Never retries!

After:

if runtime.GOOS == "windows" {
    if pathErr, ok := err.(*os.PathError); ok {
        if errno, ok := pathErr.Err.(syscall.Errno); ok {
            // ERROR_SHARING_VIOLATION=32, ERROR_LOCK_VIOLATION=33, ERROR_ACCESS_DENIED=5
            if errno == 32 || errno == 33 || errno == 5 {
                return true, err  // ✅ Actually retry!
            }
        }
    }
}

Why check these error codes:

• 32 (ERROR_SHARING_VIOLATION): File is open by another process
• 33 (ERROR_LOCK_VIOLATION): File is locked
• 5 (ERROR_ACCESS_DENIED): Can happen when antivirus is scanning

2. Added Exponential Backoff (jfrog-client-go/utils/retryexecutor.go)

Why: Customer has aggressive antivirus that may hold locks for longer periods

What:

• Start: 100ms delay
• Progression: 100ms → 200ms → 400ms → 800ms → 1s → 1s → 1s...
• Max: 1000ms (as requested by customer requirements)
• Total: Up to ~7.5 seconds across 10 retries

Code:

type RetryExecutor struct {
    MaxRetries               int
    RetriesIntervalMilliSecs int
    UseExponentialBackoff    bool  // NEW
    MaxBackoffMilliSecs      int   // NEW
    // ...
}

3. Increased Retry Count (both files)

Why: Handle aggressive antivirus that scans files longer

Change: 5 retries → 10 retries
Impact:

• Before: ~1 second max total retry time (5 × 200ms)
• After: ~7.5 seconds max total retry time (100+200+400+800+1000×6)

4. Applied Same Fix to RemoveTempDir (jfrog-client-go/utils/io/fileutils/temp.go)

Why: Same Windows file locking issue affects directory removal

Implementation: Created removeWithRetry() helper function with same logic

[github-actions]

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